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Thanks Morgan, Please correct me if i am wrong in saying this: We can obtain euler angles for each rigid body w.r.t the global frame. Joint angles are the angles between two sets of rigid bodies (say the elbow flexion angle between the forearm and upper arm). Thus, to obtain the Joint angles we simp...

<t>Hello<br/> <br/> Thanks for your reply.<br/> <br/> Can you point me to the line of code in the sampleclient3D file where i can obtain joint angle and joint angle information.<br/> I am using the Arena software and wish to obtain joint angle info for two rigid bodies (the arm and the wrist/forearm...

<t>Having delved more in the second part of the question, my query now is :<br/> <br/> How to get joint angle description from Quaternion data of rigid body.<br/> I have six markers on the arm, three on the upper arm and three on the wrist. I form two rigid bodies and stream the rigid body data to a...

<t>Hello<br/> <br/> I am using Optitrack system to track the motion of user's arm real time. I want to get joint angle information (in contrast to marker position info). I have calibrated my point cloud data to form a set of rigid bodies using Arena Software.<br/> <br/> I am having difficulties in u...