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3-D Simulation

A shared space need not be synthetic or based on the physical environments of the collaborators - it could instead be a simulation of some physical object that multiple users need to manipulate or walkthrough. This idea is used in Shasthra [], Stotts's VR work [], and in Bechtel's design review application. The former provides users with a non-immersive user interface to jointly manipulate 3-D objects such as automobile designs, each user seeing the changes made by the other. The other two allow multiple users to independently walkthrough virtual environments such as a ship or building design, seeing icons representing the view points of other users.

Prasun Dewan
Tue Jan 28 17:46:09 EST 1997