December 2012
Intermediate to advanced
631 pages
13h 10m
English
Content preview from Graphics Gems III (IBM Version)
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PART VI
INTRODUCTION TO RAY TRACING AND RADIOSITY
Ray tracing and radiosity used to be fiercely competitive factions in the quest for ever more realistic rendering techniques. Now, they are often used together to produce images that are more compelling than those produced by either technique alone. Many wonderful images are created by hybrid algorithms which mix and match features from both ray tracing and radiosity. So, the Gems in this section are applicable to ray tracing, radiosity, or, in some cases, both!
The first Gem describes the well-known binary space partitioning algorithm very clearly and provides an efficient implementation. The second Gem describes the mathematics of intersecting a ray with a quadric surface.
For the efficiency-minded, ...
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