Search found 2 matches

by kinemagician
Tue Mar 25, 2008 1:45 am
Forum: General OptiTrack Support
Topic: How to get the head orientation form Yaw-Pitch-Roll
Replies: 6
Views: 2395

Re: How to get the head orientation form Yaw-Pitch-Roll

<t>To solve your problem I suggest you the following:<br/> - Use the quaternions qx, qy qz, qw to compute the transform matrix<br/> <br/> A=2*[qw^2+qx^2-0.5 qx*qy-qw*qz qx*qz+qw*qy;<br/> qx*qy+qw*qz qw^2+qy^2-0.5 qy*qz-qw*qx;<br/> qx*qz-qw*qy qy*qz+qw*qx qw^2+qz^2-0.5<br/> ];<br/> <br/> The quaterni...
by kinemagician
Tue Mar 25, 2008 1:10 am
Forum: Tracking Tools
Topic: markers coordinate
Replies: 3
Views: 1724

Re: markers coordinate

<t>I have a similar problem. This is some info I gathered observing the csv file generated by the RigidBody toolkit:<br/> <br/> In the line starting with "rigidbody" there are the coordinates of the markers in the LOCAL REFERENCE FRAME, i.e. the Cartesian system attached to the "Rigid Body 1"<br/> <...