Setting Up Mimic Measure

[Eliezer Gill]

Is there an example I can follow to set up Mimic Measure? I set up an excel spreadsheet with my data, but I don't know how to get it into SCONE. Thanks for the help.

[Thomas Geijtenbeek]

Please see the documentation, and make sure the data is in the .sto format:

https://scone.software/doku.php?id=ref:mimic_measure

[Eliezer Gill]

I set it up like the example, but SCONE is still not recognizing it. Did I set it up incorrectly?

Screenshot 2024-03-23 191421.png (24.19 KiB) Viewed 10501 times

[Thomas Geijtenbeek]

The channels in the .sto file need to match the model coordinates. You can export a .sto file from SCONE with only state data checked to see an example of what that would like.

[Eliezer Gill]

Are these the coordinates you are referencing? Is MimicMeasure not able to track center of mass position data? Thank you for your help.

[Thomas Geijtenbeek]

Yes. You can create a .sto file from SCONE with only state data checked to see an example.

[Eliezer Gill]

Is it possible to export coordinate data over a period of time with appropriate time stamps?

[Thomas Geijtenbeek]

You can currently only export a single frame of coordinate data, or export a whole motion as an .sto.

[Ziang Liu]

Hi Thomas,

Sorry to jump in here, and thank you for the great software.

I'm hoping to use SCONE to optimize muscle activation to track a reference motion(stored as a .sto motion file that can be loaded in OpenSim as a motion) over a period of time as closely as possible subject to muscle parameter/ligament constraints. Is this achievable with MimicMeasure? I have tried using OpenSim Moco but was having convergence issues. Thank you.

Best,
Ziang

[Thomas Geijtenbeek]

Direct collocation (Moco) is definitely better suited for motion tracking than shooting methods (SCONE), so you are unlikely to get better results with the MimicMeasure.