[Paraview] boolean mesh filtering

[TJ Corona]

Hi Jeffrey,

You may want to check out vtkBooleanOperationPolyDataFilter <https://www.vtk.org/doc/nightly/html/classvtkBooleanOperationPolyDataFilter.html>. It sounds like it may have the functionality you desire.

Sincerely,
T.J.

Thomas J. Corona, Ph.D.
Kitware, Inc.
Senior R&D Engineer
21 Corporate Drive
Clifton Park, NY 12065-8662
Phone: 518-881-4443

> On Nov 20, 2017, at 3:18 PM, Mauldin, Jeffrey A. <jamauld at sandia.gov> wrote:
> 
> I have a need to do a Boolean intersection of two unstructured multiblock datasets.  It so happens in this case that the underlying element sets are polygonal meshes, so in this particular case I could also do what I want with a Boolean intersection of two polygonal meshes.  To be (hopefully) redundant, I have two meshes which share some points and cells and each of which have other points and cells which are not shared.  I would like a new mesh which consists of all the points and cells that are in both of these meshes.  I need this to work properly in parallel.
>  
> I know enough to create a python-based filter (python programmable filter) to create this operation, but are there already existing Boolean mesh operations, and if not would those be a useful thing to add?
>  
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