TRC motion file format

The Perception Action And Cognition Lab (PACO) at the University of Glasgow has an extensive set of gestural actions in motion capture format. You can get the data in CSM and PTD formats here.

I have also converted the CSM data to a TRC (Track Row Column) format loadable by Motion Builder (download). Motion Builder can load it if it has an appropriate header (example).

TRC is a text-based marker file format and a straight-forward substitute to C3D, which although more efficient, is a binary format which takes effort to read and write. This format is used by OpenSim, which also has corresponding documentation.