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简介：Chapter Descriptions
Knowing how to setup the scene is a very critical step to get good refractions and reflections, then after that caustics, so first you will learn how and why to setup the scene the way it is, and how to define the interior and exterior of your surfaces.
Materials
Understanding the creation of refractive materials for the water and the glass objects are the soul of a proper caustic effect, so you`ll learn it and assign them to their corresponding objects.
Photons
In real life they are the main actor behind all the lights we see and interact with. To be able to create caustics first of all, photons have to be shot into the scene. here you will learn how to shoot the photons into the scene and how to visualize them.
Optimizations
Now that the photons are in the scene, in this part other textures and materials will be assigned, then those photons will be used to create caustics either by using the Micropolygon, raytracing or the PBR engine. then optimization and improvements techniques will be discussed.
About The Author
Georges Nakhle, lebanese, and has a masters degree in mechanical engineering. he has a wide artistic and scientific knowledge, he began his art steps with traditional painting and sculpting then gained a diploma in dramatic monologue (acting -singing), he has worked as a writer and perfomer in radio and TV. combining arts and science led him to CG, so he mastered many tools including Maya and Houdini among others, he's also a programmer so he's currently working for Dassault Systemes in Paris-France and he had also worked in combination between Dassault-Systemes and Mental Images the makers of mental-ray. He is very picky about the details and he believes that every small detail contributes to the finished product.
官方网址：http://cmivfx.com/store/207-Houdini+Caustics
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发表于 2013-9-17 19:39:27
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发表于 2013-9-17 22:59:35
