MotionScriptTools

Scripting tools for working with motion data

Feel free to contact alinen[at]seas.upenn.edu if you'd like to contribute (or point out) additional code, bugs, improvements, tools, or new resources.

C3D

• C3D website, including the specification
• C code for loading and saving C3D by Bruce A. MacWilliams.

BVH

• BVH file format documentation
• BVH importer for Matlab
• BVH exporter for Matlab
• BVH loader/saver for C++ (TODO)
• BVH exporter Maya (python)
• BVH importer Maya (python)
• BVH to H-Anim scripts. Click here for additional documentation.
• Web3D BVH viewer by Emre Tanigan and Kelsey Hurley. Click here to see a demo.

ASF/AMC

• ASF/AMC file format documentation
• AMC loader for Matlab
• AMC saver for Matlab
• AMC import for Maya
• AMC export for Maya
• ASF/AMC loader/saver for C++

TRC (Track Row Column)

• TRC file format documentation
• Conversion of the PACO dataset to TRC
• Convert from PTD to TRC

Motion Builder

• mocappys
• FBX SDK is available free from Autodesk
• FBX documentation
• How load AMC/BVH data and retarget to a new skeleton
• How to import C3D and save to BVH
• How to use a control rig to fix self-intersections, errors, etc
• How to write python scripts to fix footscape and output contact annotations
  • ExportContacts.py, output text files of when end effectors are close to the floor
  • PrintCurve.py, output channel curves, such as X,Y,Z translation
  • ToesToFloor.py, clamp toes to the floor, cleanup foot sliding

Additional resources

• Rick Parent's motion capture resources, which includes good references, such as Working with Motion Capture File Formats and The process of Motion Capture: Dealing with the Data.
• Vicon Blade Marker Placement, see page 5 of the manual on marker placement
• Vicon Plug-in Gait Marker Placement

Motion Datasets

• Stylistic walk cycles
• CMU Graphics Lab Motion Capture Database, C3D, ASF/AMC formats
• UPenn Multi-model data capture set, mix of C3D, ground reaction forces, biometric sensor data
• PACO gesture library with TRC format available here
• The Motion Capture Society's Library
• Ohio State University, Advanced Computing Center for the Arts and Design, motion capture lab & data
• University of Bonn Motion Capture Database
• Universidad Lusofona de Humanidades e Tecnologias MovLab files
• University of Edinburgh Interaction Database