A Hitchhiker's Guide to Virtual Reality by Karen McMenemy

By Karen McMenemy

A Hitchhiker's consultant to digital Reality brings jointly below one disguise all of the points of portraits, video, audio, and haptics that experience to interact to make digital truth a truth. like several stable advisor, it unearths the sensible belongings you want to know, from the point of view of authors who've been there. This two-part advisor covers the technology, expertise, and arithmetic of digital truth after which info its sensible implementation. the 1st half appears to be like at how the interface among human senses and know-how works to create digital truth, with a spotlight on imaginative and prescient, crucial feel in digital fact. the second one a part of the ebook is tightly built-in with an accompanying CD, which incorporates the courses for greater than 30 digital fact initiatives, ranging in scope from a device that simulates digital sculpting to a set of software program for the regulate of a four-projector immersive digital surroundings.

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Thus, haptic interaction between a human and a computer requires a special type of device that can convert human movement into quantities that can be processed by the computer. The result of the processing should then be converted back into meaningful forces or pressure applied to the human as a result of her initial action. This is not an easy thing to achieve. 1 Virtual Tactile System The human haptic system has an important role to play in interaction with VR. Unlike the visual and auditory systems, the haptic sense is capable of both sensing and acting on the real and virtual environment and is an indispensable part of many human activities.

Abstract systems might include magnetic fields, molecular models, mathematical models and so on. As such, VR seems a natural progression to the use of computer graphics that enables engineers and designers to visualize structures before actually building them. In addition to building and visualizing these structures, the designers are also able to interact with them, which can allow designers to conceptualize relations that might not otherwise be apparent. Thus VR can also be an invaluable tool for: • The radiologist trying to visualize the topology of a tumor [11]; • the chemist exploring ways that molecules can be combined [1]; • the urban planner trying to re-create simulations of a growing city [2].

26 2. The Human Senses and VR But before we exert the effort required for such compelling VR experiences, we need to be sure that the effort is justified. In the next chapter, we look at different applications of VR and ask whether the technology has scientific justification or whether it is just a play thing for the rich. Bibliography [1] W. Barfield and E. Danas. “Comments on the Use of Olfactory Displays for Virtual Environments”. Presence 5:1 (1995) 109–121. [2] M. Bouzit et al.

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