[vtkusers] Removing duplicate points from unstructured grid / polygonal data

[Mathieu Malaterre]

Mark,

	Did you tried vtkCleanPolyData ?

HTH
Mathieu

> Think of two some-elements-thick halfs of an eggshell. If put together, 
> there'll be an inner surface an a lot of doubled points at the "rim" 
> that I want to remove.
> 
> Thanks in advance,
> 
> Mark
> 
> 
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