[vtkusers] vtkApproximatingSubdivisionFilter/vtkInterpolatingSubdivisionFilter

[Mathieu Malaterre]

Hi all,
  I have two small questions:
   -What is the difference between vtkApproximatingSubdivisionFilter and
vtkInterpolatingSubdivisionFilter ?
   -Is there a way to loop over the edges of a polydata ?

thanks a lot
mathieu

--
Malaterre, Mathieu
The John P. Robarts Research Institute
Imaging Research Laboratories
http://www.imaging.robarts.ca/~mmalat