Search found 2255 matches

by Ayman Habib
Tue Apr 22, 2008 10:17 am
Forum: OpenSim
Topic: .vtp geometry file visualization tool
Replies: 8
Views: 4728

RE: .vtp geometry file visualization tool

<t>Christopher,<br/> <br/> Thanks for sending this out. <br/> <br/> One issue to be aware of however, is that Paraview comes with its own version of VTK that may or may not be consistent with the version of VTK used by OpenSim. So, be on the lookout if you see unexpected graphics behavior in OpenSim...
by Ayman Habib
Tue Apr 22, 2008 12:15 am
Forum: ME/BIOE 485 (Modeling and Simulation of Human Movement)
Topic: CMC Crashing Problems
Replies: 12
Views: 4107

RE: CMC Crashing Problems

Eric,

If you happen to still have these GUI-created setup files around, please send them to me. I made a few fixes in the GUI and want to make sure I covered the issues with your setup files.

Thanks for your patience,
-Ayman
by Ayman Habib
Mon Apr 21, 2008 9:36 am
Forum: OpenSim
Topic: missing 'SimTKcommon.h'
Replies: 3
Views: 841

RE: missing 'SimTKcommon.h'

<r>Tim, <br/> <br/> No problem. <br/> <br/> You could also consult the wiki page <URL url="http://wiki.simtk.org/opensim/Developers">http://wiki.simtk.org/opensim/Developers</URL> which has a document with complete instructions about how to build OpenSim as well as all supporting libraries from scra...
by Ayman Habib
Sun Apr 20, 2008 7:16 pm
Forum: OpenSim
Topic: missing 'SimTKcommon.h'
Replies: 3
Views: 841

RE: missing 'SimTKcommon.h'

<t>Hi Tim, <br/> <br/> All header files with SimTK prefix come from different libraries/projects that are developed on simtk.org, and used by OpenSim. To get these you need to either install the libraries and headers or download the source and build it yourself. The first approach is much simpler. <...
by Ayman Habib
Sat Apr 19, 2008 8:09 am
Forum: ME/BIOE 485 (Modeling and Simulation of Human Movement)
Topic: OpenSim crashing issues
Replies: 7
Views: 2071

RE: OpenSim crashing issues

<t>May and all, <br/> <br/> I believe I got to the real bottom of the "space in the path" problem. The problem is specific to the list of files for Actuators. Since the list is written to the XML file space separated under the XML tag <actuator_set_files>, whenever a file has a space in the path e.g...
by Ayman Habib
Fri Apr 18, 2008 9:43 am
Forum: ME/BIOE 485 (Modeling and Simulation of Human Movement)
Topic: OpenSim crashing issues
Replies: 7
Views: 2071

RE: OpenSim crashing issues

<t>Katerina and all,<br/> <br/> The GUI is supposed to create a settings (*_setup.xml) file. After that it's the exact same code executing either from the command line or the GUI. So, I'd like to separate the issues/crashes as either "GUI issues" if the file we end up with is bad (these are easy to ...
by Ayman Habib
Wed Apr 16, 2008 8:10 am
Forum: OpenSim
Topic: Foot model
Replies: 15
Views: 3592

RE: Foot model

<t>Hi Christopher, <br/> <br/> Yes, the ordering you mentioned is correct.<br/> <br/> There isn't an easy way to visualize the axis but you can use the coordinate viewer to get a feel for where the rotation axis is. (As a hack, you can also make up two markers, compute their location so that they're...
by Ayman Habib
Tue Apr 15, 2008 9:37 am
Forum: OpenSim
Topic: animating ground forces and muscle forces
Replies: 4
Views: 1057

RE: animating ground forces and muscle forces

<t>Hi Tim, <br/> <br/> It looks like the code treats files made up of states as a special case for efficiency reasons so other user objects can't be added to them. I'll look into fixing this but please go ahead and file a bug so that it doesn't fall thru the cracks and you get notified when it's fix...
by Ayman Habib
Mon Apr 14, 2008 12:35 pm
Forum: OpenSim
Topic: Muscle-actuated simulation error
Replies: 4
Views: 1354

RE: Muscle-actuated simulation error

<t>Hi Jon, <br/> <br/> It's great that you were able to run CMC and Forward to get muscle excitations. <br/> <br/> Forward runs in Open-loop (there's no feedback to tell the model to adjust if it's off its originally tracked motion). Arbitrary muscle excitations will definitely make for erratic mode...
by Ayman Habib
Thu Apr 10, 2008 12:54 am
Forum: OpenSim
Topic: Change the base segment in OpenSim file
Replies: 7
Views: 1636

RE: Change the base segment in OpenSim file

<t>Hi Alessandra,<br/> <br/> The base segment is implied from the topology as a segment that's connected by a joint to the ground/world. You can rearrange your model (osim file) so a different segment is connected to ground/world, this will be your new base segment.<br/> <br/> Hope this helps,<br/> ...