<t>I am using 2.3.0b4.<br/> When I use 2.2 release, the frame issue goes away and I can specify coordinate values under the 'weights' tab. <br/> I will install the latest beta release and see if these things work in it.<br/> When you saw the bounds on the coordinates are used, do you mean that the I...

<t>When running the Inverse Kinematics tool from the OpenSim 2.3 GUI, I run into a couple of issues:<br/> <br/> 1) Results do not include the first time frame of the TRC marker file<br/> <br/> 2) Prescribing coordinate values (under the 'weights' tab) does not work for "From File", Default Value" an...

Ayman,
That clears it up well, Thanks!

How does the JointReaction analysis determine what accelerations are used ? There does not seem to be any method of inputting the accelerations for this analysis. Is there some interpolation or integration going on here? The XML example on the wiki implies integration.

<t>Is there any way to change the order of translation-rotation using a Custom Joint. Currently the order is translate about any specified translation degrees-of-freedom, then rotate about the specified order of rotation degrees-of-freedom. I'm guessing this order is implied with the use of quaterni...

Matt,
Does the JointReactions analysis take into account the loads from a CustomForce as well?
Also, does the Inverse Dynamics class include the actuator ( and customForce ) loads?
Where would I look in the actual code to figure this out?
Jonathan