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Message #20354
Re: [Question #682883]: calculate mass content of a group of particles through something like label
Question #682883 on Yade changed:
https://answers.launchpad.net/yade/+question/682883
gaoxuesong posted a new comment:
You are welcome. However, in the way as you said,
###
-->>s1=O.bodies.append(sphere((x1,y1,z1),radius=radius1))
-->>list1=[]
-->>list1.append(s1)
###
list1 also stores the id of a body. In this way, it stores the body.
-->>s1=O.bodies.append(sphere((x1,y1,z1),radius=radius1))
-->>list1=[]
-->>list1.append(O.bodies[s1])
###
one thing to be addressed is that the return value of the O.bodies.append() is the body's id not the body itself.
best,
Xuesong
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