[vtkusers] Problem with delaunay surface when extracting curvatures

[Kevin H. Hobbs]

On Thu, 2006-11-02 at 18:00 -0500, Manuel Ricardo Galindo Moreno wrote:
<snip>
> The problem is that when i set an alpha value different to 0, so the
> center of the torus is clear*, the values of maximum and minimum
> curvature are erratic (it does not match with theoretical vales...at
> all), although the shape of the torus looks fine when visualized.

When you set alpha > 0.0 you get all sorts of cells in the output
connected in all sorts of crazy ways. You might want to look into the
implicit modeler, Shepard's method, the surface reconstruction filter
and so on.
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