Ascension Plug-ins for MotionBuilder
Autodesk MotionBuilder is a powerful character animation and motion editing tool. The video tutorials in this article will teach you how to use the Ascension MotionSTAR and trakSTAR plug-ins to stream data from a live actor into Motionbuilder.
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Polhemus Plug-in for Motionbuilder
Autodesk MotionBuilder is a powerful character animation and motion editing tool. Use the Polhemus Liberty or Patriot to stream data from a live actor into MotionBuilder. This video tutorial will teach you how to map the tracking data being streamed by your Polhemus device onto a MotionBuilder actor, and then animate the actor. Also included is a video showing a user with Polhemus Liberty sensors animating a character in Vizard.
Key steps covered in this tutorial are:
- Adding the Polhemus device in Motionbuilder to bring in tracking data.
- Adding a standing or seated actor to the scene. The following link will provide you with a fbx file of a seated actor.
- Translating the Polhemus root to match any offset of the Polhemus Transmitter from the ground.
- Recording the user T-pose.
- Scaling, translating, and rotating the actor to match the Polhemus markers.
- Adding a fake hip marker. This is necessary if you are not going to have a sensor on the hip.
- Creating a marker set to link the markers to the actor's body parts.
- Real-time animating the actor
MotionBuilder actor using PPT
Autodesk MotionBuilder is a powerful character animation and motion editing tool. WorldViz Precision Position Tracker (PPT) can be used to stream data from a live actor into MotionBuilder. This video tutorial will teach you how to map the optical data being streamed by PPT onto a MotionBuilder actor.
Key-points covered in this video are:
- Loading PPT mocap plug-in
- Adding live marker data to scene
- Inserting & transforming an actor
- Previewing live actor within MotionBuilder
MotionBuilder Live Characters (Vizard)
Autodesk MotionBuilder is a powerful character animation and motion editing tool. Live Characters is a connector product to Vizard that allows real-time stream of live actors into Vizard environments. This video tutorial will teach you how to retarget motion data from an animated actor to a character and then stream that data to Vizard.
Key-points covered in this video are:
- Enabling WorldViz Live Characters within MotionBuilder
- Optimizing character based on actor data
- Configuring live stream device into Vizard
- Sample Vizard script demonstrating how to add Live Characters

