Hallo everybody, I tried to calculate the derivative of some angular coordinates. I compared the result with the angular velocities from the Analyse Tool. Both calculations match very good. After that I tried to calculate the second derivative and it seems that the result of the Analyse Tool is wron...

Hallo James,

I'm using exact this flag. But not all markers are printed in the file. For example "left ankle" marker exists but the "right ankle" marker doesn't.

The second problem is that even ther is no virtual Hand marker for example, coordinates of this marker are saved in the file.

Nils

Hallo everybody, for e better scaling result I would like to compare the experimental marker data with the virtual marker data. The IK-Tool produces a file with the virtual marker positions and it displays some mean errors. I want to look at the error for one spezific marker (not necessary the marke...

Hi Ayman, hi James,

if I create a whole coordinate file it effects the result of the scaling tool as it should.

Thanks a lot for your help
Nils Kästner

Hallo everybody, I just started using OpenSim (3.1). I was trying to scale a model, for example gait2354_simbody.osim . To scale the model I use the subject01_Setup_Scale.xml data. Both from the directory Gait2354_Simbody . So far everything works fine. Now the problem. If I change coordinate tasks ...