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[Question #403534]: How to make certain particles "invisibles" to others?

To: yade-users@xxxxxxxxxxxxxxxxxxx
From: Luc Scholtès <question403534@xxxxxxxxxxxxxxxxxxxxx>
Date: Thu, 27 Oct 2016 10:34:17 -0000
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New question #403534 on Yade:
https://answers.launchpad.net/yade/+question/403534

Hi guys,

What would you suggest in order to make certain particles "invisible" to others while keeping them in the simulation?

I know that particles can be deleted using the erase function but it is not satisfactory in my case because it does not allow to post process correctly my simulations. For instance, if I delete particles during the simulation, I cannot compute displacements fields (I usually do that using Paraview from vtk files recorded at different intervals) nor strain fields (using the Tesselation wrapper from text files recorded at different intervals) since these computations rely on the comparison between 2 states.

Any suggestion would be greatly appreciated.

Luc

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