[vtkusers] VTK selected decimation

[Miguel Sotaquirá]

Hi!

I have a triangular surface mesh. For each vertex I've computed its 5-ring
neighborhood and now I just want to re-mesh this ring in order to keep only
the central (current) vertex and the 5th order neighbors, thus getting rid
of neighbors of 2nd, 3rd and 4th order...

I think this is somehow a controlled decimation, where instead of specifying
the percentage of decimation I need to specify which points of the mesh to
keep. Is it possible to implement this approach using any VTK filter?

Miguel
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