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

Jothybasu Selvaraj jothybasu at gmail.com
Wed Sep 5 04:44:04 EDT 2012


Have a look at this

http://www.vtk.org/doc/nightly/html/classvtkBooleanOperationPolyDataFilter.html

Jothy

On Wed, Sep 5, 2012 at 8:12 AM, Roman Grothausmann <
roman.grothausmann at helmholtz-berlin.de> wrote:

> 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
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-- 
Jothybasu Selvaraj
PhD Student
University of Liverpool
UK
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