Hi all.

Lee-Son's Toolbox has been introduced at "OpenSim Utilities" (https://simtk.org/home/opensim-utils)
You can find links to various OpenSim utilities including our toolbox at this umbrella project page.

Thanks,
Sangjun Lee

Hi, Marika. I'm sorry for late reply. :( Did you export the *.csv file in the same way that explained in the user's manual? If you make the *.csv file manually, there can be some mismatches between the header and the data. If you send me your *.csv via E-mail, I will check your file. :) (E-mail addr...

Hi,

Lee-Son's toolbox 2.xx versions are currently beta versions, so we do not provide user's manual yet.
If you want VICON mocap data converter only, please click "List all previous releases" and download a 1.5x version with its user's manual.

Thanks,
SangJun Lee

Hi, Bingyi What kind of motion capture systems do you use? Currently this toolbox is only for the VICON motion capture system, which directly yields *.csv files. Actually, we are preparing another version of the toolbox for the Qualisys motion capture system, which yields *.tsv files, but I'm not su...

Hi Miguel, I've sent a personal message to you, so please check it. The Lee-Son's toolbox now works fine only with the data from AMTI force plates, but Kistler ones will be available soon. At our project page, you can find - a new version of our toolbox, Lee-Son's toolbox 1.5.1, - a user manual, - a...

Hi all, I'm doing static optimization for gait trials, but rarely, static optimization gives 1.#QNAN in a frame. (e.g. in the messages window, time = 2.74 Performance =0.379839 Constraint violation = 2.15358e-012 time = 2.75 Performance =0.370833 Constraint violation = 4.20757e-012 time = 2.76 Perfo...

Ayman,
thank you for your great answer.

Lee, Sang Jun

Hi all, A user manual for Lee-Son's toolbox has been uploaded. You can find - a new version of our toolbox, Lee-Son's toolbox 1.5.1, - a user manual for Lee-Son's toolbox 1.5.1, - and some example data in the "Downloads" menu. If you have any question, please contact us by e-mail or this forum. Than...

Hi all,

I'm wondering the meaning of "defaults" in xml files.
(<Force name="default"> in actuator sets, <ControlLinear name="default"> in control constraints sets etc.)

What happens when I change these values?


Thanks,
Lee, Sang Jun

Hi, Edith. Thank you for your great answer. It was really helpful to me. I have some more questions. I think the increase of muscle strengths surely causes the decrease of the muscle activation, so I'm wondering whether absolute values of muscle activation results are reliable. And, according to you...