The GUI file navigation lag issue has persisted for our team, across several laptops, with OpenSim v4.3 as well.

Has a solution been found, or cause(s) further identified?

(Drag & drop from Windows File Explorer to Coordinates tab has been an alternative in the meantime to open models/load motion)

While I believe you are correct that OptiTrack does not currently support complete custom markersets for models (for creating custom skeletons), and so reconstruction & auto-label is not available, you can still use manual labeling methods and the editing tools in Motive to fill the gaps. (Although ...

Hello, I am wondering how model marker locations are calculated. In particular, what method was used to calculate the locations for the hip joint center markers? (RHJC & LHJC) I am curious for virtual marker creation purposes (e.g. if functional joint centers were not determined during experimental ...

I am working on this as well. - Marker names need only match (so you could either change the marker names in the OpenSim model or open the .c3d/ .trc in a text editor or Excel and change the names there) - You can create & move markers in your OpenSim model as well - Since your mocap won't have join...