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Issues in Working with quaternion [closed]

asked 2013-10-30 11:26:26 -0500

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I am new to ROS and its application in robot. I have just executed the Openni skeleton tracker. I would like to know (A) how do we transform each joint’s rotation matrix so that the rotation is given with respect to the person’s torso so as to more compactly represent the joint’s orientation. (B) from

rotation.GetQuaternion(qx, qy, qz, qw);

how do I record the values of the quaternion for each joint?

(C) What is the difference between joint angles and quaternions that also represent joint angles? Thank you for kind help

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Closed for the following reason question is not relevant or outdated by tfoote
close date 2016-05-09 20:52:37.181529

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answered 2013-10-31 01:12:14 -0500

doudoushuixiu gravatar image

i am new to ros too.

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Is this supposed to be sarcasm? Is there something wrong in my question?

Ria gravatar image Ria  ( 2013-10-31 06:59:23 -0500 )edit

i don't know~

doudoushuixiu gravatar image doudoushuixiu  ( 2013-10-31 20:47:36 -0500 )edit

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Asked: 2013-10-30 11:26:26 -0500

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Last updated: Oct 31 '13