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A Hitchhiker's Guide to Virtual Reality
book

A Hitchhiker's Guide to Virtual Reality

by Karen McMenemy, Robin Stuart Ferguson
July 2007
Beginner to intermediate content levelBeginner to intermediate
604 pages
17h 36m
English
A K Peters/CRC Press
Content preview from A Hitchhiker's Guide to Virtual Reality
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144 6. A Pocket 3D Theory Reference
Figure 6.18. The field of view φ governs how much of the scene is visible to a camera
located at the viewpoint. Narrowing the field of view is equivalent to using a zoom
lens.
therange0 (X
max
1) horizontally and 0 (Y
max
1) vertically, where
X
max
and Y
max
refer to the number of pixels in the rendered image in the
horizontal and ver tical direction, respectively. The coordinate origin (0, 0) is
in the top-left corner (see Figure 6.17).
The distance of the projection plane from the viewpoint can be chosen
arbitrarily; setting it to a value of 1 simplifies the calculations. Thus, if the
plane of projection is
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Publisher Resources

ISBN: 9781568814773