ray tracing : Java Glossary

by Roedy Green ©1996-2008 Canadian Mind Products
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ray tracing: When you see those glossy computer generated 3D images with lots of shiny reflective surfaces, they were generated mathematically by tracing the path each photon might take bouncing around the scene. See free ray tracing package from Pov-Ray. The Pov-Ray (Persistence of Vision Raytracer) package blew me away. It is hard to believe a package this extensive could possibly be free.
Pov-Ray
ray tracing
Ray Tracing Theory

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