[vtkusers] Interpolation/Subdivision Methods

[mandalin]

Greetings !

I am working with a set of connected triangle polygons defining a surface.

Given this surface, I would like a larger number of points on the surface,
such that I could assign a scalar value (color) to each of these points. 

I am trying to decide whether I should use :
       vtkInterpolateTerrain
       vtkButterflySubdivision
       vtkInterpolateSubdivisionFilter
       vtkLinearSubdivisionFilter

I am having a hard time determining which would be best because of limited
documentation. 

vtkInterpolateTerrain seems to have the limitation in that vertical polygons
aren't being subdividied/subsampled

Thanks !
~Amanda



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