OptiTrack by NaturalPoint

ARENA Expression + MotionBuilder

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.

Watch the tutorial video to learn how to stream face data from ARENA Expression to MotionBuilder.

The add-on package includes several enhancements for MotionBuilder integration:
  • Streamlined plugin user interface
  • Improved streaming support from ARENA/Expression
  • Support for 32 and 64 bit versions of MotionBuilder 2009/2010
  • Bug fixes
For more information, see the build notes.

Download the 2009/2010 MotionBuilder Add-on Package (11.7 MB) from the OptiTrack Downloads page. Requires ARENA 1.5 beta 4 or higher.

FS Technology

Instantly enable visible spectrum imaging with OptiTrack's new Filter Switcher Technology.

ARENA Expression with scene video V100:R2 cameras can now be equipped with OptiTrack's 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, software-controlled mechanism.

  • 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.
Download ARENA 1.5 Final

ARENA 1.5 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:
  • 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
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.)

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 MotionCapture.com!

For more information about OptiTrack, or any NaturalPoint product, please visit NaturalPoint.com or contact sales@naturalpoint.com.

NaturalPoint Inc.
Fax: 1-541-753-6689

(OptiTrack Newsletter #10)

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