Fog

Tom Duff , Pixar, Emeryville

Stevenson Hall 1300
11:00 AM - 11:50 AM

Computer graphics methods have conquered water (Finding Nemo), fur (the Blockbuster hamster and rabbit commercials), hair (Stuart Little), and other challenges that nature provides. But how do you do realistic fog, which, unlike other challenging objects, has no surface and interpenetrates all other objects in a scene? We'll introduce the problem and its solution, concentrating on ideas from compositing algebra.