[vtkusers] Smoothing a contour obtained with vtkMarchingSquares

[Federico Milano]

Hi. I'm slicing a binary image and obtaining a contour of it with
vtkMarchingSquares.

This is the result I'm getting right now:
http://tinypic.com/view.php?pic=nx3mf5&s=5
I would like to smooth the "sawtooth" like sides.

I've tried with vtkSmoothPolyDataFilter and I've got no difference in the
output. I've also tried with vtkWindowedSincPolyDataFilter and the result
was a deformed triangle.

This is the smoothing code I've been experimenting with:
http://pastie.org/8039293

I would really appreciate any hint.

Thanks in advance,

Federico
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