Automatic Virtual Environments
Another part of Physiological Interaction innovations are CAVEs which stands for automatic virtual environments. The CAVE was first thought of by Thomas DeFanti and Dan Sandin and was later developed at the Electronic Visualization Laboratory (EVL) at the University of Illinois at Chicago by Carolina Cruz-Neira. (The CAVE at NCSA 2004) It is similar to virtual reality, except you do not need any gear on your body in order to see the images. (Haag, 2006)
In these virtual environments you are able to see 3D images of other people or things that are also using a CAVE in another location anywhere in the world. The purpose is to make people feel at if they were in the same location as the people or things they are interacting with. In order for the CAVE to work it must present many of the same que’s your brain uses to interact and understand the world around you. There are four different systems that must be implement into the CAVE in order for it to work properly. The first being Computers that are needed to coordinated all of the other equipment. Another component are graphic systems, which are very important. Every second there are ninety-six different images are displayed each of the CAVE's four walls. This produces very high resolution. In order to make the CAVE seem real sound need to be taken into consideration sounds system, and the last system that is needed for the CAVE to work is a tracking system, which is used to track the position and orientation of objects in the CAVE. (Haag, 2006), (The CAVE at NCSA 2004)
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