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How to get Quaternion or RotationMatrix from the Pose Matrix

By danielk0602 on Fri, 07/20/2012 - 16:08

Hi,

I'm trying to rotate 3D Model by finger swipe.

But it happend incorrectly rotation.

If I rotate my phone on landscape, It is rotate reversely.

I thought because there are two different coordnates system, world coordnate system and the pose coordnate system.

So, I want to know how to get the rotation information from the Pose matrix.

Is there anyone who can tell me about it?

Thank you!