04.22.2010 12:12 PM
Vinten, Vizrt stage virtual sports play at NAB

Vinten, a camera support equipment maker, and Vizrt, a supplier of production tools for creating 3D graphics and maps, partnered in a virtual sporting event on the floor of the 2010 NAB Show.

The integration of Vinten’s new Vector 750i encoder-equipped pan-and-tilt head with Vizrt’s Viz Trio OneBox animation engine made it appear as though a game was taking place in the exhibition floor aisles, complete with a field of play and moving virtual players.

As the camera panned, tilted and zoomed on the Vinten Vector 750i head, precise positioning information from the head was delivered to the Viz Trio OneBox animation engine. This precise information allows the Vizrt-created 3D graphics to remain properly placed in the video display of the virtual field of play.

The Vector 750i pan-and-tilt head incorporated an internal integrated encoder that provided pan resolution of 1.8 million counts per 360 degrees and tilt resolution of 1.6 million counts per 360 degrees. To ensure the positioning information remains highly accurate, even if the camera operator needs to make center-of-gravity adjustments, encoders were added into the head’s slide plate adjustment. Another encoder was added to the head’s pantographic balance mechanism to track the raising and lowering of the camera as it was rebalanced.

Data from the encoders in the head, along with positioning data from any pedestal used and zoom lens encoder information, were routed into a Vinten Radamec Virtual Reality Interface (VRI) Box, where the data was combined into a single data stream to be sent to the Vizrt animation engine.

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