Hi, I have 2 actors. vtkActor actor1 = vtkActor::New(); vtkActor actor2 = vtkActor::New(); // Code I want to create an actor3 = actor1 union actor2. It is possible? Thank you. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://www.vtk.org/pipermail/vtkusers/attachments/20090708/ad45f86d/attachment.htm>