rendering

rendering - CS148: Introduction to Computer Graphics and...

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Page 1 CS148: Introduction to Computer Graphics and Imaging Rendering CS148 Lecture 19 Pat Hanrahan, Winter 2009 Modeling & Simulating Appearance Models ± Cameras ± Light sources ± Materials ± Reflection ± Texture Lighting simulation ± Solving the rendering equation ± Ray tracing
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Page 2 Reflection CS148 Lecture 19 Pat Hanrahan, Winter 2009 Materials Plastic Metal Matte From Apodaca and Gritz, Advanced RenderMan
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Page 3 CS148 Lecture 19 Pat Hanrahan, Winter 2009 Spheres [Matusik et al.] CS148 Lecture 19 Pat Hanrahan, Winter 2009 Types of Reflection Mirror ± Ideal reflection ± Reflection Law Diffuse ± Matte ± Lambert’s Law Specular ± Highlights and gloss ± Microfacet model
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Page 4 CS148 Lecture 19 Pat Hanrahan, Winter 2009 Lambert’s Law E L ± L E = E L cos L = E L ˆ N ˆ L Light ˆ N ˆ L CS148 Lecture 19 Pat Hanrahan, Winter 2009 Mirror: Ideal Specular Surface r = i r i ˆ I Law of Reflection ˆ R + ( ± ˆ I ) = 2cos ² i ˆ N = ± 2( ˆ I ˆ N ) ˆ N ˆ R = ˆ I ± 2( ˆ I ˆ N ) ˆ N ˆ R ˆ R ˆ I ˆ N
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Page 5 CS148 Lecture 19 Pat Hanrahan, Winter 2009
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rendering - CS148: Introduction to Computer Graphics and...

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