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Re: [Question #153493]: Example problem, or to create a function ?

 

Question #153493 on Yade changed:
https://answers.launchpad.net/yade/+question/153493

    Status: Open => Answered

Anton Gladky proposed the following answer:
Hi, could you, please, _attach_ the script instead of putting it into
the message?

Thanks.
Anton



On Tue, Apr 19, 2011 at 9:24 PM, Arthur Mercier
<question153493@xxxxxxxxxxxxxxxxxxxxx> wrote:
> New question #153493 on Yade:
> https://answers.launchpad.net/yade/+question/153493
>
> Hi,
>
> I'm a beginner with Yade Software, I have Ubuntu 10.10 and Yade bzr2811.
>
> I try to run the example Gravity Deposition of the tutorial but I have some problems.
>
> The script is:
> "from yade import pack, plot
>
> O.bodies.append(utils.facetBox((.5,.5,.5),(.5,.5,.5),wallMask=31))
>
> sp=pack.SpherePack()
>
> sp.makeCloud((0,0,0),(1,1,1),rMean=.05,rRelFuzz=.5)
>
> sp.toSimulation()
> O.engines=[
>    ForceResetter(),
>    InsertionSortCollider([Bo1_Sphere_Aabb(),Bo1_Facet_Aabb()]),
>    InteractionLoop(
>        [Ig2_Sphere_Sphere_L3Geom(),Ig2_Facet_Sphere_L3Geom()],
>        [Ip2_FrictMat_FrictMat_FrictPhys()],
>        [Law2_L3Geom_FrictPhys_ElPerfPl()]
>    ),
>    GravityEngine(gravity=(0,0,-9.81)),
>    NewtonIntegrator(damping=0.4),
>    PyRunner(command='checkUnbalanced()',realPeriod=2),
>    PyRunner(command='addPlotData()',iterPeriod=100)
>    ]
>
> O.dt=.5*utils.PWaveTimeStep()
>
> O.trackEnergy=True
>
> def checkUnbalanced():
> if utils.unbalancedForce()<.05:
> O.pause()
> plot.saveDataTxt('bbb.txt.bz2')
>
> def addPlotData():
> plot.addData(i=O.iter,unbalanced=utils.unbalancedForce(),**O.energy)
>
> plot.plots={'i':('unbalanced',None,O.energy.keys)}
>
> plot.plot()
> O.saveTmp()"
>
> When I try to run it's written:
> "Yade [18]: ---------------------------------------------------------------------------
> NameError                                 Traceback (most recent call last)
>
> /home/arthur/yade/build/lib/yade-new/py/yade/__init__.pyc in <module>()
> ----> 1
>      2
>      3
>      4
>      5
>
> NameError: name 'checkUnbalanced' is not defined
>
> NameError: name 'addPlotData' is not defined
> ---------------------------------------------------------------------------
> NameError                                 Traceback (most recent call last)
>
> /home/arthur/yade/build/lib/yade-new/py/yade/__init__.pyc in <module>()
> ----> 1
>      2
>      3
>      4
>      5 "
> So my question is what is not good with the code ? And why to define the functions checkUnbalanced and addPlotData after the O.engines, why not before O.engines ?
> How do I run a plot; 'cause when I write
> "Yade [21]: import yade.plot; yade.plot.plot();
> ---------------------------------------------------------------------------
> IndexError                                Traceback (most recent call last)
>
> /home/arthur/yade/build/lib/yade-new/py/yade/__init__.pyc in <module>()
> ----> 1
>      2
>      3
>      4
>      5
>
> /home/arthur/yade/build/lib/yade-new/py/yade/plot.pyc in plot(noShow, subPlots)
>    586         global currLineRefs
>    587         figs=set([l.line.get_axes().get_figure() for l in currLineRefs])
> --> 588         if not hasattr(list(figs)[0],'show') and not noShow:
>    589                 import warnings
>    590                 warnings.warn('plot.plot not showing figure (matplotlib using headless backend?)')
>
> IndexError: list index out of range" ?
>
> Thanks !
>
>
>
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