Search found 3 matches

by Robert Huffman
Fri May 03, 2019 12:48 pm
Forum: OpenSim
Topic: IK in 4.0
Replies: 6
Views: 1366

Re: IK in 4.0

How does this explain that when we set the <apply> to "false" in the IK setup file, IK still reports errors associated with that marker? Are you saying that setting the <apply> field to "false" in 4.0 does not cause that marker to be ignored by IK?
by Robert Huffman
Fri May 03, 2019 7:55 am
Forum: OpenSim
Topic: IK in 4.0
Replies: 6
Views: 1366

IK in 4.0

We have been attempting to port some of our analysis from 3.3 to 4.0 and have noted significant differences in our IK results. This was discovered on modified versions of the Rajagopal Full Body model available on the OpenSim website. However, I believe I have recreated the issue starting with the f...
by Robert Huffman
Tue Jan 26, 2016 2:13 pm
Forum: OpenSim
Topic: Acceleration of center of mass
Replies: 5
Views: 2205

Re: Acceleration of center of mass

I'm not sure I saw a resolution to this problem in this chain, but I am having the same issue in an analysis plugin. I tried adding the call to computeStateVariableDerivatives(s), but it didn't make any difference. I am actually working on an on orbit exercise simulation for NASA, so I have set my g...