I made some examples of these things: http://www.vtk.org/Wiki/Moving_an_Actor http://www.vtk.org/Wiki/Moving_the_Camera I hope they help clarify. Thanks, David -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://www.vtk.org/pipermail/vtkusers/attachments/20091117/b0d6aea2/attachment.htm>