Search found 15 matches

by Chris Bates
Thu Jul 26, 2012 10:06 am
Forum: OpenSim
Topic: Can't Get Forward Dynamics To Run
Replies: 15
Views: 1623

Re: Can't Get Forward Dynamics To Run

Ayman, If I specify only certain contact points for each half space in the Hunt Crossley Force, will they be bound by the other half spaces? I was under the assumption that they did not. If so, is there a contact plane that I can set bounds for the size? If this is in a tutorial/guide somewhere just...
by Chris Bates
Wed Jul 25, 2012 4:16 pm
Forum: OpenSim
Topic: Can't Get Forward Dynamics To Run
Replies: 15
Views: 1623

Can't Get Forward Dynamics To Run

Hi all, I've built a model sitting in a chair and I'm attempting to get it to stand up. I have contact half spaces for the floor, chair bottom, and armrests with contact points on the feet, legs, and arms for each half space respectively. I performed static optimization of the model sitting in the c...
by Chris Bates
Mon Jul 16, 2012 11:36 am
Forum: OpenSim
Topic: Finger Moves About Wrist Joint
Replies: 1
Views: 197

Re: Finger Moves About Wrist Joint

I finally figured it out if anyone has similar problems to bones moving around incorrect locations. The geometry file was created in such a way that the axes of the body were at the wrist, but the visible bone was in the correct place at the finger. I put the parent location at the knuckle and then ...
by Chris Bates
Tue Jun 26, 2012 9:14 am
Forum: OpenSim
Topic: Model Poses and center of mass
Replies: 1
Views: 236

Re: Model Poses and center of mass

In the Navigator window, open your model, right click on Bodies, check Show Mass Center. This will give you a green and black ball at the COM for the model that moves as you change coordinates. It won't project it to the floor, but still gives you a good idea of where it is if you change the viewpoi...
by Chris Bates
Tue Jun 12, 2012 1:55 pm
Forum: OpenSim
Topic: Finger Moves About Wrist Joint
Replies: 1
Views: 197

Finger Moves About Wrist Joint

I am currently working on expanding Sam Hamner's model to include finger joints to close a hand. Now I would like to expand the hand body into fingers with the "hand" remaining as the bodies that basically are not the "fingers" (proximal phalanges onward). I've done that so far, and am working on ju...