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Prepared By:
Ali Raza Jamro (09)
© Ali Raza (09)

2. Content
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What is Virtual Reality?
History Of Virtual Reality
Application of Virtual Reality
Virtual Reality Types
Virtual Reality Devices
Advantages And Dis advantages of Virtual
Reality
Virtual Reality Developing Software's
© Ali Raza (09)

3. W
hat is Virtual Reality ?
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Virtual reality is, plainly speaking, Seeing,
hearing, smelling, testing, feeling an
imaginary world, rather than the real one. The
imaginary world is a simulation running in a
computer. The sense data is fed by some
system to our brain.
A computer generated multi-sensory
information program which tracks a user in
real time.
© Ali Raza (09)

4. History
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© Ali Raza (09)

5. Virtual Reality Applications
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VIRTUAL REALITY IN MILITARY
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VIRTUAL REALITY IN MEDICAL
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VIRTUAL REALITY IN GAMES
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VIRTUAL REALITY IN MOVIES
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6. Virtual Reality In Military
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United States: The military used it as flight simulators to
train pilots.
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7. Virtual Reality In Medical
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The medical application of VR was stimulated
initially by the need of medical staff to
visualize complex medical data, particularly
during surgery and for surgery planning, and
for medical education and training.
© Ali Raza (09)

8. Virtual Reality Systems
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VR Systems can be divided into three groups
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non-immersive systems (like workstations)
S inform
ee
ation about the real world, presented via com
puter location based services, GIS.
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hybrid systems (graphics on top of real world) also
called: Augmented reality systems
S in real world, but see sim
tay
ulated objects
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immersive systems (like HMD or CAVE)
See sim
ulated world and "be" in that sim
ulated world
© Ali Raza (09)

9. Non-immersive systems
“Through- the - window”
Large display, but
doesn’t surround
the user.
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10. Augmented reality
Stay in real world, but see simulated objects
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Information
Visualization
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11. More Augmented reality
Stay in real world, but see simulated objects
AR Museums
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12. Immersive systems (CAVE)
S sim
ee
ulated world and "be" in that sim
ulated world
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The
CAVE
(Cave
Automatic
Virtual
Environment) provides
the illusion of immersion
by projecting stereo
images on the walls and
floor of a room-sized
cube.
Several
persons
wearing
lightweight
stereo
glasses
can
enter and walk freely
inside the CAVE.
© Ali Raza (09)
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13. CAVE Pictures
See simulated world and "be" in that simulated world
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© Ali Raza (09)

14. Devices used in VR
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INPUT DEVICES
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OUTPUT DEVICES
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Input Devices
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TRACKERS
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JOYSTICKS
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MICE
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15. Output Devices
HEAD MOUNTED DISPLAY
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16. Output Devices
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THE POWER WALL
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17. Output Devices
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DATA GLOVES
DATA SUIT
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18. Advantage and Dis advantages Of V.R
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Advantages of VR
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Training
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Risk-free experience
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Experiencing things you
wouldn’t normally be
able to experience
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Entertainment; fun,
artistic expression.
Dis Advantages of VR
 Disengagement with real
world.
 VR replacing reality.
 People preferring VR to
reality.
 Difficulty of
distinguishing between
virtual and real, ‘false
realities represented in
VR.
 Possible impacts on real
body
© Ali Raza (09)

19. Virtual Reality Developing Software's
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CURRENT SOFTWARE FOR VIRTUAL REALITY
QUICKTIME VR PLUG-INS
METAFLASH 3D
MINOLTA 3D
VRML (Virtual Reality Modeling Language)
© Ali Raza (09)