[Insight-users] [vtkusers] Reduce the number of control points in vtkContourWidget

[Karthik Krishnan]

Pass it through a vtkDecimatePolylineFilter. It should reduce the number of
points. You can initialize the contour with those control points then.

On Tue, Mar 15, 2011 at 8:09 AM, Xiaopeng Yang <yxp233 at postech.ac.kr> wrote:

> 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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