Refer to - docs/BVJ.html BVJ is extensions to the BVH animation format used by SL technology. It's in the ClientHamr section coz on the server side, they are just dealt with as blobs to be sent to the viewers. This may change if we implement animating link sets, and interaction with the sim physics. Also - ====== Some useful links for actually writing animation code - https://en.wikipedia.org/wiki/Portal:Computer_graphics https://en.wikipedia.org/wiki/3D_computer_graphics https://en.wikipedia.org/wiki/Skeletal_animation https://en.wikipedia.org/wiki/Morph_target_animation https://en.wikipedia.org/wiki/Inverse_kinematics http://bvhacker.com/ http://www.character-studio.net/bvh_file_specification.htm