The electricity system in the United States received renewed attention after the August 2003 blackout that affected more than 50 million customers across the Northeast United States and caused...
database server provides the data needed to run the simulation and descriptions of the objects shown to the user. A visualization system takes the output of the simulation and renders it on the display system. The input/output controller accepts input from the navigation device and from the tracking system, and outputs feedback and sound. All of this must happen simultaneously, ideally every thirtieth of a second, to provide smooth animation.
The functions of a VizSim system may be distributed among several computers or concentrated in a single PC, depending on the complexity of the requirements. Systems range in price from a few thousand dollars up to multimillions-in 2002 the average price worldwide was $141,510. -B.D.
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