Our work is most similar to that of Sherman s in the respect that we extend a dataflow package to incorporate VR input and output. These systems allow observers to move freely about computer generated three dimensional objects and to explore new environments. In engineering, this technology may be incorporated into the product design cycle, allowing virtual prototyping and testing of products prior to their physical construction. Audio cues include localized sound and synthesized sound. Interactivity refers to the real time involvement the user must have with the perceived environment.
Virtual reality strives to be a natural user interface.
G. Bishop et al. Research directions in virtual environments . The technology will radically change the way people interact with computers and allow them to act as if they were in places they are not. Obviously , the entertainment industry is the leading market, however many other applications do exist. VE is currently advancing at a very rapid pace in both research organizations and industry.