+
+ // notify actors
+ vtkActorCollection *actors = getRenderer()->GetActors();
+ for (int i = 0; i < actors->GetNumberOfItems(); ++i )
+ if (VTKViewer_Actor *actor = dynamic_cast<VTKViewer_Actor*>(actors->GetItemAsObject(i)))
+ {
+ cout << "actor " << actor << endl;
+ actor->EnableSelection( theEnable );
+ }