The “Other” Side of Physics

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Presentation transcript:

The “Other” Side of Physics Physics of Energy The “Other” Side of Physics

A Framework for Realistic Image Synthesis Donald P. Greenberg, Kenneth E. Torrance, Peter Shirley, James Arvo, James A.Ferwerda, Sumanta Pattanaik, Eric Lafortune, Bruce Walter, Sing-Choong Foo, Ben Trumbore Cornell University, University of Utah, California Institute of Technology, Blue Sky Studios http://www.cis.rit.edu/jaf/publications/framewrk.pdf

What is Energy? Energy vs Mass Properties of Energy Representing Energy in a Simulation Types of Energy How Energy can be used in Dynamics

Properties of EMR Interaction with Mass BRDF Properties of EMR Interaction with Mass

Problem of Reflectance Types of Reflectance Problems of Simplicity Measuring Reflectance Creating a Reliable Procedural Representation Problems with Measurement

Additional Surface Interaction Translucency Refraction BSDF Scattering BSSDF

Solving the “Rendering Equation” Light Transport Solving the “Rendering Equation”

The Rendering Equation L_o(w) = E(w) + ò r(w , w ') L_i(w')d w '

Techniques in Radiometric Representation Ray Tracing Ray Casting Radiosity Path Tracing Beam Tracing Cone Tracing Photon Mapping Photon Tracing

Concluding Remarks