- int subMeshId = _impl->GetMeshDS()->ShapeToIndex( myLocSubShape );
-
- if ( !subMeshId && ! _impl->GetMeshDS()->IsGroupOfSubShapes( myLocSubShape ))
+ TopoDS_Iterator it( myLocSubShape );
+ int subMeshId = _impl->GetMeshDS()->ShapeToIndex( myLocSubShape );
+ bool isValidSub = ( subMeshId || _impl->GetMeshDS()->IsGroupOfSubShapes( myLocSubShape ));
+ if ( isValidSub && myLocSubShape.ShapeType() == TopAbs_COMPOUND )
+ isValidSub = !it.Value().IsSame( _impl->GetShapeToMesh() );
+ if ( !isValidSub )