Citing sources part 1

Citing sources part 1 - BRDF s the BRDF is often written as...

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26 BRDF the BRDF is often written as λ is the wavelength (hue) of incident light ( φ i, θ i) defines the direction to the light source L ( φ v, θ v) defines the direction to the viewer V the BRDF tells us about the ratio of the incoming and reflected light ) , , , , ( v v i i R θ φ λ
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27 BRDF (cont) for real materials BRDF is usually very complex need lots of samples from a BRDF to accurately model a surface from “3D Computer Graphics” by Alan Watt need simpler models for most graphics applications
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28 Phong Reflection Model most common model in computer graphics Hill uses “shading model” which is confusing model not based on physical principles but looks good for plastic-like surfaces aside: physically-based illumination models
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Citing sources part 1 - BRDF s the BRDF is often written as...

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