Introducing bone-based face animation with ARENA Expression + MotionBuilder
OptiTrack's 2009/2010 MotionBuilder add-on package delivers a brand new, custom pipeline for streaming face mocap data into MotionBuilder for bone-based animation—perfect for video game asset creation. The free add-on includes a
pre-rigged character head, constraint builder script, tutorial video, and sample data—offering a simple starting point for all MotionBuilder users interested in producing low-cost, high-quality facial animation.
While Blend Shapes and custom workflows for face animation in MotionBuilder are still supported, the OptiTrack bone-based pipeline is simplified and optimized so that anyone familiar with constraints in MotionBuilder will be able to create
fantastic content with ease. Advanced users can edit the included script for powerful, custom manipulation.
tutorial video to learn how to stream face data from
ARENA Expression to MotionBuilder.
The add-on package includes several enhancements for MotionBuilder integration:
For more information, see the
Streamlined plugin user interface
Improved streaming support from ARENA/Expression
Support for 32 and 64 bit versions of MotionBuilder 2009/2010
2009/2010 MotionBuilder Add-on Package (11.7 MB) from the OptiTrack
Downloads page. Requires ARENA 1.5 beta 4 or higher.
Instantly enable visible spectrum imaging with OptiTrack's new Filter Switcher Technology.
V100:R2 cameras can now be equipped
Filter Switcher Technology. FS technology enables visible spectrum video in addition to standard infrared by switching the camera's 800nm pass filter on and off—configurable on-the-fly with a solenoid-activated,
Download ARENA 1.5 Final
Software-controlled spectrum selection with the click of your mouse.
Enhance illumination with access to visible environmental light in scene video.
Improve video quality by supplementing high-contrast IR lighting with more natural, balanced ambient lighting—ideal for presentation and real-time interaction.
Simplify camera positioning, marker placement, skeleton definition, frame-by-frame analysis in post, and other grayscale video-dependent actions.
Perfect complement to the V100:R2's new MJPEG compression, for superior scene video.
The final version of
ARENA 1.5 is now available for download. Thanks to all of you who contributed to the development process with your suggestions, feature requests, and testing. Significant changes from 1.4 to 1.5 include:
For a complete list of changes, please visit the
ARENA 1.5 change log. A license valid through December 7, 2009 is required to use ARENA 1.5 Final. (
Check license status here.)
V100:R2 camera support
OptiHub support, enabling High Power Mode, OptiSync, and external syncing
FBX file export
Support for multiple scene cameras
Plugin support for MotionBuilder 2009/2010 and 3ds Max 2010
Multiple-processor core optimizations
Enhanced editing tools and general usability
Join the OptiTrack community!
If you're not already a member of the
NaturalPoint forums, we encourage you to join the community. Show off your work, ask other OptiTrack users for advice, and share your thoughts with our developers.
Share Your Project
If you have OptiTrack news or usage examples to share, please send us an email with details. We love seeing your creativity at work, and your project might even be featured at
For more information about OptiTrack, or any NaturalPoint product, please visit
NaturalPoint.com or contact
(OptiTrack Newsletter #10)
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