[vtkusers] AND-filter for vtkPolyData (was extract/select coincident points/cells)

Roman Grothausmann roman.grothausmann at helmholtz-berlin.de
Wed Sep 5 03:12:38 EDT 2012


Dear mailing list members,


Is there a kind of AND-filter for vtkPolyData-meshes which I could use 
to extract/select coincident points/cells of two meshes?

Thanks for any hints or help
Roman

On 31.08.2012 14:53, Roman Grothausmann wrote:
> Dear mailing list members,
>
>
> There are many filters in VTK to clean/merge coincident points but I
> could not find a single filter that extracts/selects coincident
> points/cells.
> I would need it to extract the sub-mesh of two or more
> vtkPolyData-meshes where these meshes overlap, e.g. when a
> vtkDiscreteMarchingCubes surface is generated of two or more labels that
> directly touch each other in voxel space.
> Or is there a way to just generate a mesh of the area where both labels
> touch?
>
> Any help or hints are very much appreciated
> Roman
>

-- 
Roman Grothausmann

Helmholtz-Zentrum Berlin für Materialien und Energie GmbH
Bereich Funktionale Materialien
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