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[xjin <question407567@xxxxxxxxxxxxxxxxxxxxx>]

Question #407567 on Yade changed:
https://answers.launchpad.net/yade/+question/407567

    Status: Answered => Open

xjin is still having a problem:
Sorry, I do not clear  my question.
But I make this question for the reason that I try to write a script to model a Tunnel excavation. I need to erase some particles.I try to make a set to get the particles of the solid.
---------------------------------------------------------------
from yade import pack
sp=pack.SpherePack()
sp.makeCloud((0,0,0),(1,1,.5),rMean=.08)
sp.toSimulation()

qt=[]
globals()['qt']=locals()['qt']
for i in (0,len(O.bodies)):
qt=qt+[i]
---------------------------------------------------
Then I use the def to earse the particles, and I want to delete the particles's numeber in the set--qt.

when the number-5 particle is deleted, I try to delete the number in the
set-qt. the script is like this:

-----------------------------------------------
def cc():
global qt
qt=qt-[5]

----------------------------------------------
The I type:
cc()

but, the qt is still containing [5].

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