[vtkusers] Problem with DeepCopy+vtkPolyData

[Mathieu Malaterre]

Hi all,
  I want to simply copy a vtkPolyData. But I don't understand why
DeepCopy doesn't work. Here is my code:

strip = vtkStripper()

....#modify strip

mat = vtkPolyData()
mat.DeepCopy(strip.GetOutput())
dsm = vtkPolyDataMapper()
dsm.SetInput(mat)

strip is ok since I tried :
dsm.SetInput(strip.GetOutput())
So what should I change to copy a vtkPolyData  in another ?
Thanks a lot
mathieu
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