Refraction
728 views · Published 24 September 2012 · 49:54 · Indexed 28 October 2026
Channel: UC Davis · 2012 · Education
Lecture 20 gives the derivation of Snell's law for the refracted direction and discusses Fresnel's law for refracted energy fraction. (The rest of the energy goes to transmission). It also discusses pros and cons of the radiosity and path tracing methods and combining the best of both methods using final gathering as well as the Nusselt analog for unobstructed point to polygon form factor.
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