A small fix on code; for( it; it != this->actors.end(); ++it) { collection->AddItem((*it)->GetViewProp()); // Implement on Actor class } -- View this message in context: http://vtk.1045678.n5.nabble.com/Storing-actors-into-memory-C-tp5729971p5730063.html Sent from the VTK - Users mailing list archive at Nabble.com.