I am running a lot of inverse kinematics, and would like to keep track of the error. I've seen in other threads that you can output the marker file locations when running IK (and have successfully done so in the past), but this time I have a few problems with it. First, it doesn't let you change the...

That did it. Thanks again!

Having looked into this a little more, it isn't the solution I was looking for. While it does put out an STO of marker locations, it does not put out the location of the virtual markers (i.e., markers that I add to the model prior to running IK, that are tied to various bodies - for example, I'm add...

I was referring to a .trc file, which is what I use to run IK.

The tool option you pointed out might work, though. Thanks!

I have a program I'm using to compare marker position over time, but I need to add some virtual markers to it to complete my analysis. This might be a dumb question, but is there anyway to re-calculate the trace with virtual markers and export those results? There's plenty of options for saving .mot...

Thanks, Tom. That's how I started, but osim.BodyKinematics seemed like it was more built for the process, and wouldn't require a template XML to set the method. I switched methods and now it seems to work (though having to load my IK file through osim.Storage(filename) tripped me up for a second). T...

I'm trying to run a BodyKinematics analysis of an IK (.mot) file so that I can quickly obtain center of mass information for the duration of the motion, but I'm having a problem. Namely, it seems as though there is no method to actually run the tool. Now, there *is* a tool.begin() method. But that o...

It seems to be working now. It looks like the problem might have been using a full path name is <results_directory>. Once I changed that to just 'ID\' it seems to be working. So, if anyone else has this problem, there you go.

Nah, that's not it. It's a full directory listing, I just replaced the path with '\dataset\' for the sake of brevity.

Whenever I use the inverse dynamics tool - either from Matlab or OpenSim - I never have any results saved to the output directory. Everything in the IDSetup file and the tool seems correct, so I'm not sure what is going on. The Folder structure of the data is \dataset\ -- where the osim & setup file...