On Fri, Sep 24, 2010 at 9:31 AM, Natalie Happenhofer < [email protected]> 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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