[Paraview] [EXTERNAL] Re: boolean mesh filtering

[Scott, W Alan]

T.J.,

This filter doesn't appear to be in ParaView.  Am I missing something?  Should we add it to ParaView?

Alan

From: ParaView [mailto:paraview-bounces at paraview.org] On Behalf Of TJ Corona
Sent: Monday, November 20, 2017 1:22 PM
To: Mauldin, Jeffrey A. <jamauld at sandia.gov>
Cc: paraview at paraview.org
Subject: [EXTERNAL] Re: [Paraview] boolean mesh filtering

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<mailto: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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