[vtkusers] vtkPolyData::ReplaceLinkedCell does not seem to work

[Mengda Wu]

Hi All,

  I  am trying to delete one point on one end from a cell (VTK_POLY_LINE)
from vtkPolyData.

 I tried to use ReplaceLinkedCell but it does not actually change
the vtkPolyData. Why is that?

  What I did  was
  (1) BuildLinks()
  (2) RemoveCellReference(cellId)
  (3) ReplaceLinkedCell (cellId, npts, pts)    npts and pts are
reconstructed from the old cell list minus the one point I was deleting.
  (4) Then I push the vtkPolyData to vtkCleanPolyData and deep copy the
output

  Am I missing anything?

Thanks,
Mengda
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