I have an object of vtkDataSet which I want to convert to vtkImageData. I understand that vtkImageData is inherited from vtkDataSet. How would I do that in tcl? Thanks a bunch! John -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://www.vtk.org/pipermail/vtkusers/attachments/20051210/891e41e4/attachment.htm>