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[jacopo <question668286@xxxxxxxxxxxxxxxxxxxxx>]

Question #668286 on Yade changed:
https://answers.launchpad.net/yade/+question/668286

    Status: Answered => Open

jacopo is still having a problem:
i was meaning that the code doesn't save me any positions, i see the
simulation running. it ends and save the plots value inside
'bbb.txt.bz2, but any file txt for the positions and radii is created: i
add the line code you suggest me but it still doesn't save nothing.

all the code is this now, it s really like deposition gravity, but i
have to save the positions of the spheres in a txt file at the end of
simulation:

from yade import pack, plot

# create rectangular box from facets
O.bodies.append(geom.facetBox((10,10,10),(10,10,10),wallMask=31))


sp=pack.SpherePack()

sp.makeCloud((0,0,0),(20,20,20),rMean=.3,rRelFuzz=.3)

sp.toSimulation()

O.engines=[
   ForceResetter(),
   InsertionSortCollider([Bo1_Sphere_Aabb(),Bo1_Facet_Aabb()]),
   InteractionLoop(
      # handle sphere+sphere and facet+sphere collisions
      [Ig2_Sphere_Sphere_ScGeom(),Ig2_Facet_Sphere_ScGeom()],
      [Ip2_FrictMat_FrictMat_FrictPhys()],
      [Law2_ScGeom_FrictPhys_CundallStrack()]
   ),
   NewtonIntegrator(gravity=(0,0,-9.81),damping=0.4),
   # call the checkUnbalanced function (defined below) every 2 seconds
   PyRunner(command='checkUnbalanced()',realPeriod=2),
   # call the addPlotData function every 200 steps
   PyRunner(command='addPlotData()',iterPeriod=100)
]
O.dt=.5*PWaveTimeStep()


O.trackEnergy=True
O.run(2000,True)


def checkUnbalanced():
   if unbalancedForce()<.05:
      O.pause()
      plot.saveDataTxt('bbb.txt.bz2')
      export.textExt('/tmp/compressed.txt','x_y_z_r_attrs',attrs=[])
      

# collect history of data which will be plotted
def addPlotData():
   
   plot.addData(i=O.iter,unbalanced=unbalancedForce(),**O.energy)


plot.plots={'i':('unbalanced',None,O.energy.keys)}

plot.plot()

O.saveTmp()

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