New question #697085 on Yade:
https://answers.launchpad.net/yade/+question/697085
Hi, I would like to track the position of particles in a deposition simulation.
I understand that the VTKRecorder module allows this with the "ID" option,
e.g.:
VTKRecorder(fileName='3d-vtk-',recorders=['spheres','id'],iterPeriod=1000)
However, when processing the data in Paraview I see that there is no apparent
order, for example, based on height or radius on the particle identification.
Is there any way I can set an order in the particle identification?. For
example, impose that the identification is an increasing/decreasing function of
the height, i.e., particle in the highest part (id=1), particle in the lowest
part (id=end), and between these two limits that each particle has an ID
assigned to it as a function of the height.
Having this type of identification makes it easier to see the evolution of the
set of particles over time. For example, in the particular case of deposition,
it allows observing if the particles at the top are deposited farther (or not)
than the particles in the center of the grain pile.
-------------------------
CODE SECTION
------------------------
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=0.15),
VTKRecorder(fileName='3d-vtk-',recorders=['spheres','id'],iterPeriod=1000)
]
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