Magnus Wrenninge, Christopher Kulla, Viktor Lundqvist
Presented at Siggraph 2013
For "Oz: The Great and Powerful". Sony Pictures Imageworks extended Arnold's GI render pipeline to handle large-scale volumes alongside surfaces. This talk covers an overview of the integration of Field3D volumes into the path-tracing engine, multiple scattering approximations, the OSL shading system, and Katana.