Abstract :
Simply put, VR is a computerized
simulation of natural or imaginary reality. Often the user of VR is fully or
partially immersed in the environment. Full immersion refers to someone using a
machine to shield herself from the real world. Partial immersion happens when a person can
manipulate a VR environment but isn't tucked or locked away in a machine.
However, virtual reality doesn't necessarily have to be "full
immersion" to be considered a true VR simulation. Games like Second Life on
the PC and control devices like the Nintendo Wii
Remote are VR- based products. These items let users interact
with a VR environment that is a computer simulation. These VR environments can
be anything from a typical game, such as Super Mario Brothers, to a fully detailed city
reconstitution or a fictional fantasy land. The only limit to a VR environment
is the imagination and the resources that the creator has available.
The concept of virtual reality has been
around for decades, even though the public really only became aware of it in the
early 1990s. In the mid 1950s, a cinematographer named Morton Heilig envisioned
a theatre experience that would stimulate all his audiences’ senses, drawing
them in to the stories more effectively. He built a single user console in 1960 called the Sensorama that included a stereoscopic
display, fans, odor emitters, stereo speakers and a moving chair. He also
invented a head mounted television display designed to let a user watch television in 3-D. Users were
passive Audie
There are many types of Virtual
Reality, including the following:
Enhanced Reality
Desktop Virtual Reality
Telepresence
Immersive Virtual Reality
QTVR
Virtual reality applications can be
divided into:
1. The simulation of real environments
such as the interior of a building or a spaceship often with the purpose of
training or education
2. The development of an imagined
environment, typically for a game or educational adventure
Areas in which Virtual Reality applications are
commonly used are:
Design Evaluation (Virtual Prototyping)
Architectural Walk-through
Planning and Maintenance
Concept and Data Visualisation
Operations in hazardous or remote
environments
Training and simulation
Sales and Marketing
Entertainment and Leisure
Enhanced Realities
There are a number of popular products
available for creating virtual reality effects on personal computers. QuickTime
Virtual Reality (QTVR) allows the creation of applications without coding. It
is a photography-based VR, an "immersive" technology with easy to
use software.
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