Thank you for your clear explanation. I should have searched more before.
Thanks again.

Hello

Bing me a question when I read the model file, Why the knee_r and knee_l joint locations in the parent frame which is the femur frame, are zero in the models? I have been checked "gait2392" and "gait2354"
Please see the attached file.

Best regards
Soroosh

Hello,
I think It might be useful if you can read your c3d files and export .mot and .trc files directly by a Python script. if you need that, you can check out my GitHub page for further details.
https://github.com/etoshey/pyc3dtools

Hello You can convert your Xsens and APDM IMU data for use within Opensens. The Xsens file reader is updated and now the APDM is supported on c3dtools.com , It will become pervasive to use IMU sensors to analyze human motion outside of the laboratory because IMUs are affordable and have acceptable a...

Hi,
I hope you are doing well.
You can use c3dtools.com it is free.
I hope it is helpful.

OK, I know. Use Xsens Reader section.
see this video:
https://youtu.be/G-pXX99zcoY

Hi, If you have a problem with the Matlab script you can use the Xsens Reader option on c3dtools.com.

Please, send your file to soroosh.b.k@gmail.com. I will check it.

Hi, You can use http://c3dtools.com/ to convert c3d to .trc and .mot, if you have any problem let me know, please.

Unfortunately,101 MB is a very large file. even if you upload your large file, you could not process it, on c3dtools.com.

best regards