[vtkusers] Subdivide selected Cell IDs of Polydata Surface

[bberkowi]

Hi,

I have a vtkIdList of cells from a triangular surface mesh that I would like
to subdivide using one of the pre-existing subdivision algorithms in vtk
(either linear, butterfly, or loop).

Is there a way to selectively subdivide cells given a vtkIdList, or would it
be easier to separate the surface into two surfaces, perform subdivision on
one, and then merge the two?  Has anyone ever done anything like this?

I'm doing this because I want to selectively subdivide elements that are
excessively skewed from application of a convex hull without significantly
increasing computation time by subdividing all cells.  I also don't want to
re-mesh because this will change my geometry.

Thanks,
Ben

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