[Paraview] [EXTERNAL] Re: Integration of a 3d space onto a plane?

[Scott, W Alan]

We had thought of something along those lines, but I had not figured it out to that detail.  Thanks, that helps a lot!

Alan

From: Andy Bauer [mailto:andy.bauer at kitware.com]
Sent: Tuesday, July 16, 2013 7:09 PM
To: Scott, W Alan
Cc: paraview at paraview.org
Subject: Re: [EXTERNAL] Re: [Paraview] Integration of a 3d space onto a plane?

Well, with an unstructured grid a quick and dirty possible solution would be to:
1) have the user specify a grid to project the solution onto using the Plane source
2) For each point in the Plane source, do something like the plot over line
3) Then do an integration over that.

You've probably already thought of something better but that's my 2 cents worth.

Good luck,
Andy
On Tue, Jul 16, 2013 at 4:39 PM, Scott, W Alan <wascott at sandia.gov<mailto:wascott at sandia.gov>> wrote:
Thanks Andy - you (and Kitware) are the greatest.

It is unstructured.  Thus, I believe your filter isn't a solution for me.

Thanks,

Alan

From: Andy Bauer [mailto:andy.bauer at kitware.com<mailto:andy.bauer at kitware.com>]
Sent: Tuesday, July 16, 2013 2:24 PM
To: Scott, W Alan
Cc: paraview at paraview.org<mailto:paraview at paraview.org>
Subject: [EXTERNAL] Re: [Paraview] Integration of a 3d space onto a plane?

Hi Alan,

I was working on a filter that was similar to this. If I remember correctly it could handle both vtkRectilinearGrids and vtkImageDatas (it definitely couldn't handle vtkStructuredGrids, vtkPolyDatas or vtkUnstructuredGrids). It also worked in parallel (or was supposed to). I never quite put the finishing touches on it but if this is a high priority I can revisit it or share it and let someone else push it forward.

Andy
On Tue, Jul 16, 2013 at 3:58 PM, Scott, W Alan <wascott at sandia.gov<mailto:wascott at sandia.gov><mailto:wascott at sandia.gov<mailto:wascott at sandia.gov>>> wrote:
I have a user that has a 3d object, with variables in this 3d space.  For instance, a cube, with a variable (say temperature) at a high in the center of the sphere, and a low at the corners.  This user wants to look down one axis (say the X axis), and sum or integrate all of the variables from the 3d space onto the 2d plane the cube is sitting on.  This will produce a 2d surface with the max in the center, and min at the corners.

Is this possible in ParaView?  It sounds like a fairly high priority task.

Thanks,

Alan




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