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[Jan Stránský <question680258@xxxxxxxxxxxxxxxxxxxxx>]

Question #680258 on Yade changed:
https://answers.launchpad.net/yade/+question/680258

    Status: Open => Answered

Jan Stránský proposed the following answer:
Hello,
I don't know about any pre-defined function. But it is not difficult:
###
bID = ... # id of existing particle
b = O.bodies[bID] # body instance
pos,r = b.state.pos, b.shape.radius # position and radius
b2 = createDuplicate(pos,2*r) # define this function according to your needs
O.bodies.erase(bID) # delete existing particle
newID = O.bodies.append(b2) # and adds new particle. Note that ID is different

def createDuplicate(pos,size): # for example
   from yade import polyhedra_utils
   return polyhedra_utils.polyhedralBall(.5*size,30,mat,pos)
###

cheers
Jan

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