[vtkusers] Reduce the number of control points in vtkContourWidget

[Xiaopeng Yang]

Dear Users,

 

I applied vtkContourFilter to generate 2D contour lines over a series of
mask images. Then I used vtkContourWidget to initialize the contour lines so
that I can edit these contour lines by dragging control points located in
these lines. However, the initialized contour lines include so many points
that it is very hard to edit the contours. My question is how to reduce the
number of contour points dramatically?

 

Thanks,

Yang

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