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How to distinguish sphere and polyhedra in a binary particle system

Asked by lip

hello
i am doing a deposit simulation contained both sphere and polyhedra, and the numble is large, i want to calculate the volume of sphere and polyhedra separately, but i do not know how to distinguish polyhedra and sphere, can you give me some advice?
looking forward for your answer.

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Jérôme Duriez (jduriez) said : 		#1

Hi,

You can test the (class of) bodies' shape like with any other Python object:

isinstance(b.shape,Sphere) # b is a body
or
isinstance(b.shape,Polyhedra)

isinstance is a general Python function that will return True or False

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