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[Jan Stránský <question404190@xxxxxxxxxxxxxxxxxxxxx>]

Question #404190 on Yade changed:
https://answers.launchpad.net/yade/+question/404190

    Status: Open => Answered

Jan Stránský proposed the following answer:
Hi Weimin,

to visualize force chain, see [1].

to export only some interactions, use
exportInteractions(ids=intrs)
where intrs is list of (id1,id2) tuples to export. Try something like:

intrs = []
for i in O.interactions:
   b1 = O.bodies[i.id1]
   b2 = O.bodies[i.id2]
   if isisntance(b1.shape,Polyhedra) and isinstance(b2.shape,Polyhedra):
      ints.append((i.id1,i.id2))

cheers
Jan

[1]
https://github.com/yade/trunk/blob/master/doc/sphinx/user.rst#rendering-interactions-as-force-chain

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