[Paraview] vtkCurvature

[David Doria]

On Fri, Sep 24, 2010 at 9:31 AM, Natalie Happenhofer <
nataliehapp at hotmail.com> wrote:

>  Hi everybody,
>
> I would like to implement a filter to ParaView which calculates the radius
> of curvature of streamlines.
>
> I've browsed a little and found that there is already a curvature filter,
> which calculates the Gaussian curvature and the mean curvature using
> vtkCurvatures. This is nearly what I need, but somehow, I cannot apply it to
> the streamlines, I get the error message
>
> *No points/cells to operate on*.
>
> Maybe you could point me to a source where the functionality of
> vtkCurvatures is explained in detail and the usage described.
>
> Thanks a lot,
> Natalie
>
>
Does this example help?
http://www.vtk.org/Wiki/VTK/Examples/Cxx/PolyData/Curvatures
<http://www.vtk.org/Wiki/VTK/Examples/Cxx/PolyData/Curvatures>
David
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