[vtkusers] Is there a filter . . ?

[David Pont]

Hi all,
  Is there a filter that will pass points to its output only if they are 
used by a cell. My cells are all of type Vertex, and I want to use 
vtkGlyph3D, but this glyphs ALL points in the input. I have tried 
vtkCellCenters, vtkGeometryFilter, vtkExtractEdges, vtkStripper and others 
but cant quite get what I want. Any suggestions?

  Dave Pont

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