Question #404417 on Yade changed:
https://answers.launchpad.net/yade/+question/404417
Status: Answered => Open
amir is still having a problem:
I don' t need the history. As you said, I just need old particles at
the same position + some new smaller particles. But, when I use the
following command lines, I see only new smaller particles and it removes
all particles and facets loaded at the beginning.
from yade import pack, plot,ymport,export,geom,bodiesHandling
O.load('pip0.yade')
sp = pack.SpherePack([(b.state.pos,b.shape.radius) for b in O.bodies if
b.id<40]) #'Facet' object has no attribute 'radius'
print len(O.bodies)
sp = pack.SpherePack()
sp.makeCloud((0,0,0),(0.01,0.01,0.01),rMean=r2,num=100)
O.bodies.clear()
sp.toSimulation()
print len(O.bodies)
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