Question #678308 on Yade changed:
https://answers.launchpad.net/yade/+question/678308
Status: Open => Answered
Robert Caulk proposed the following answer:
O.bodies contains all bodies, including any walls (Facet) you might have
appended. I guess walls don't have radii :-)
You can use a check like this:
def myaddData():
for b in O.bodies:
if not isinstance(b.shape,sphere): continue
idt,rad=b.id,b.shape.radius
x,y,z=b.state.pos[0],b.state.pos[1],b.state.pos[2]
veloc,force=b.vel[2],O.forces.f(b.id)
fil.write("{:e} {:e} {:e} {:e} {:e} {:e}
{:e}\n".format(idt,x,y,z,veloc,rad,force)) # ( .format = % )
>> yade.wrapper.Recorder(addIternNum=True,file=fil)
Recorder is a separate engine in Yade [1], one that appears to have very
little documentation associated with it. I've never used it, I use
VTKRecorder for this type of data collection [2].
[1]https://yade-dev.gitlab.io/trunk/yade.wrapper.html#yade.wrapper.Recorder
[2]https://yade-dev.gitlab.io/trunk/user.html#saving-data-during-the-simulation
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