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Gaussian Quadrature For Photon Beams In Tangled
PUBLICATIONS — Talk

Gaussian Quadrature for Photon Beams in Tangled

Siggraph 2011

Jared M. Johnson, Dylan Lacewell, Andrew Selle, Wojciech Jarosz

We implemented the recent Photon Beams algorithm in Photorealistic RenderMan to efficiently render artistically-directed volumetric lighting effects for the feature-length animated movie Tangled. With the knowledge that most fall-off functions defined by our artists would be polynomial-smooth, we use Gaussian Quadrature to accurately and efficiently estimate the lighting contribution of these camera-containing beams.

Categories
Rendering