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[Question #167318]: Rotation using orientation

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From: Daniela <question167318@xxxxxxxxxxxxxxxxxxxxx>
Date: Mon, 08 Aug 2011 14:06:26 -0000
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New question #167318 on Yade:
https://answers.launchpad.net/yade/+question/167318

Hi,

I am trying for some weeks to define the rotation of a mesh body using its orientation.
I have a list with the data for the orientation (euler angles) in different time steps. I know that I need to find the angular velocity necessary to change the orientation. I am using the formula that I found here: http://mathworld.wolfram.com/EulerAngles.html
How can I adapt it to yade, as I need to calculte the rotation axis and the scalar value of the angular velocity? Is the rotation axis just the orientation that will be change? Or should I obtain it from the formula above?
I would be very glad if someone could help me.

Thanks in advance. Daniela.

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