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[Jan Stránský <question641561@xxxxxxxxxxxxxxxxxxxxx>]

Question #641561 on Yade changed:
https://answers.launchpad.net/yade/+question/641561

Jan Stránský proposed the following answer:
Hello.

> 2) So you're saying that I should add to each facet a mass that is
proportional to its area? And if so, is there a way to directly retrieve
such information?

not that you should, it very much depends on a specific situation. But since it is not difficult to add, I would go this way :-)
to get area of a facet:
f = O.bodies[...] # a facet
area = f.shape.area

> 3)
clump.state.inertia ... principal values of inertia (should be equal to the diagonal of the diagonal matrix from solidWorks)
ori = clump.state.ori ... quaternion representing rotation
mori = ori.toRotationMatrix() ... rotation matrix, after creation (before further rotation) its columns (rows?) represents principal axes
I am not 100% sure with this point, please test it and if you find some difficulties, let us know

cheers
Jan

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