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[honzik <question156330@xxxxxxxxxxxxxxxxxxxxx>]

Question #156330 on Yade changed:
https://answers.launchpad.net/yade/+question/156330

    Status: Open => Answered

honzik proposed the following answer:

Hi Arthur,

could you please attach the whole script (or a link to the script)? but
you can change the force of fEngine by PyRunner:

O.engines=[
  [...]
  ForceEngine(force=(0,0,0),ids=[233,234,235,236],label='fEngine'),
  [...]	
  PyRunner(command="fEngine.force[1]=someNewValue", iterPeriod=100),
  [...]
]

Jan

______________________________________________________________
> Od: "Arthur Mercier" <question156330@xxxxxxxxxxxxxxxxxxxxx>
> Komu: yade-users@xxxxxxxxxxxxxxxxxxx
> Datum: 06.05.2011 23:42
> Předmět: [Yade-users] [Question #156330]: Forces...
>
>New question #156330 on Yade:
>https://answers.launchpad.net/yade/+question/156330
>
>Hi,
>
>I'm using Yade Bzr2811 and Ubuntu 10.10.
>
>I'd like to plot it:
>http://img11.hostingpics.net/pics/477562force.jpg
>
>How can I do that ?
>
>I'd like to increment a force on bodies, how can I do that ?
>"forcetest=0
>
>O.engines=[
>[...]
>	ForceEngine(force=(0,0,0),ids=[233,234,235,236],label='fEngine'),
>[...]	
>        PyRunner(command="print O.iter", realPeriod=1),
>	PyRunner(command="forcetest= O.iter", realPeriod=1),
>	PyRunner(command="print forcetest", realPeriod=1),
>]
>
>fEngine.force[1] = -forcetest"
>I tried to run it but nothing happens.
>
>Thanks !
>
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