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quaternion/angular velocity

Math and Physics Programming

Started by digini January 14, 2008 10:17 PM

0 comments, last by Sneftel 16 years, 3 months ago

digini

122

Author

January 14, 2008 10:17 PM

Hi, I have two unit quaternions Qa and Qb. Qa represents the orientation of a body at time t = 0. Qb represents the orientation of a body after some time t = dt. How do I get the rotational velocity? I've been looking at it too long, thoroughly confused myself and could use some insight. thanks!

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Sneftel

1,788

January 14, 2008 10:33 PM

Find the relative orientation as Qa-1Qb. Convert that to axis-angle. Divide the angle by dt.

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