Question #404417 on Yade changed:
https://answers.launchpad.net/yade/+question/404417
Status: Open => Answered
Jan Stránský proposed the following answer:
Hi Amir,
why exactly do you need existing particles? Particles form SpherePack are
created at exactly the same positions and with same radius..
A solution would be not to use sp.toSimulation, but something like
for c,r in sp:
if cInOBodies(): # some function to determine if the position "c" is new
or is already in existing particles
continue
O.bodies.append(sphere(c,r))
cheers
Jan
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