[vtk-developers] vtkBandedPolyDataContourFilter seems wrong, and also not compatable with vtkContourFilter

[Junjie Cao]

Dear Bill,

Thanks. Triangulating the data first makes correct results

Cheers!
JJCAO

On Sun, Jan 17, 2010 at 12:38 PM, Bill Lorensen <bill.lorensen at gmail.com>wrote:

> Upon further investigation I see that the BandedPolyDataContourFilter
> algorithm works fine with triangles. It seems to have trouble with
> polygons and quads.
>
> If your real dataset has triangles or can be triangulated, then you
> should use BandedPolyDataContourFilter  rather than my technique that
> uses multiple Clipper's. The results will be identical, and the
> BandedPolyDataContourFilter  is probably more efficient.
>
>
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