Physically based rendering : from theory to implementation Physically Based Rendering: From Theory to Implementation Third Edition describes both the mathematical theory behind a modern photorealistic rendering system and its practical implementation. Through a method known as literate programming the authors combine human readable documentation and source code into a single reference that is specifically designed to aid comprehension. The result is a stunning achievement in graphics education. Through the ideas and software in this book users will learn to design and employ a fully featured rendering system for creating stunning imagery. This completely updated and revised edition includes new coverage on ray tracing hair and curves primitives numerical precision issues with ray tracing LBVHs realistic camera models the measurement equation and much more. It is a must have full color resource on physically based rendering