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Re: [Question #703081]: Incorrect porosity after predicate filtering

To: yade-users@xxxxxxxxxxxxxxxxxxx
From: Jan Stránský <question703081@xxxxxxxxxxxxxxxxxxxxx>
Date: Wed, 07 Sep 2022 13:55:43 -0000
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Question #703081 on Yade changed:
https://answers.launchpad.net/yade/+question/703081

    Status: Open => Answered

Jan Stránský proposed the following answer:
Hello,

> sp.load('packtest_rMean0.0012_sig-100.txt')

please provide a MWE [1].

read the documentation [2].
Probably you should use volume argument. Otherwise it assumes volume of enclosing axis aligned box.
So basically you have same volume, but less particles, so the resulting higher porosity is reasonable.

Cheers
Jan

[1] https://www.yade-dem.org/wiki/Howtoask
[2] https://yade-dem.org/doc/yade.utils.html#yade._utils.porosity

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