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Update : The final 1.4.000 release is now available.

We are pleased to announce a new release of the ARENA / ARENA Expression software.

The product page is here :
http://www.naturalpoint.com/optitrack/p ... n-capture/
http://www.naturalpoint.com/optitrack/p ... xpression/

The release can be downloaded here :
http://www.naturalpoint.com/optitrack/s ... loads.html


ARENA / ARENA Expression 1.4.000 Final (December 1, 2008)

Changes :
No changes from the beta release.

This release also includes the following changes found in the Beta release :
* Enabled 3D reconstruction for markers with only one ray
* Changes made to support recording in the 3D Studio Max plugin
* Fixed USB driver installation lockup for some systems
* Fixed numeric LEDs appearing blank for some cameras


This release includes the following changes found in the Alpha release :
* Removed OptiTrack SDK dependency
* Removed VC 2005 Runtime Dependency
* Added Expression face mocap (license required)
* Added USB Hardware Key support
* Added DirectShow filter for V100 cameras
* Added MJPEG compression to DirectShow filter
* Added recording scene audio/video (Scene A/V)
* Added display of USB camera connection info
* Added trajectorizing unassociated/individual markers
* Added import background image
* Added scene lighting control
* Added track labeling in editor
* Added track joining in editor
* Added automatic bone length scaling
* Changed to pause streaming if marker is missing or tracking fails
* Improved camera initialization and start/stop speed
* Improved capture volume preview
* Improved camera sync feedback
* Improved .pt2 save performance
* Improved performance under heavy loads
* Improved trajectorization
* Fixed updating 2D camera view when no markers found
* Fixed trajectorize crashes with large numbers of takes

Update -

A new 1.4 release is available with additional changes and fixes.

ARENA / ARENA Expression 1.4.000 Final B - December 29, 2008

The release can be downloaded here :
http://www.naturalpoint.com/optitrack/s ... loads.html

Changes :
* fixed marker blocking memory issue
* fixed memory leak when NatNet model definitions were requested
* fixed bent wrist BVH export with 34 marker skeleton
* added marker placement documentation