Hi,

I have a situation where I have a skeleton joint that I need to manually rotate 
let's say around the X and Y axis relative to its parent within a max and min 
angle limit. In order to check against this limit I need to get the angles of 
rotation around these axes from the quaternion that holds the local joint 
orientation.

The problem is that getRotate() only returns the angle of rotation and the 
original axis of rotation. 

How can I derive the angles of rotation on the arbitrary axes from the local 
orientation quaternion?

... 

Thank you!

Cheers,
Thanos

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http://forum.openscenegraph.org/viewtopic.php?p=21835#21835





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