[vtkusers] vtkPolyData origin

[David Doria]

> Can you also tell me how to make a copy (shalow or deep) of a
> vtkPolyData to another vtkPolyData, so I can operate on both PolyDatas
> at the same time?

Please keep the conversation on the mailing list so everyone can help
and benefit.

http://www.vtk.org/Wiki/VTK/Examples/Cxx/Utilities/ShallowCopy
http://www.vtk.org/Wiki/VTK/Examples/Cxx/Utilities/DeepCopy