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Schlick Phase Function accurate shape of phase function not so important use equation of ellipse to approximate Henyey-Greenstein p(θ) = 1−k 2 4π(1+k cos θ) 2 k is similar to g in Henyey-Greenstein
Ray marching Solves volume rendering equation Uniform steps through medium, making local simplifications Multiple scattering simulation can be done with photon map Multiple scattering needed for such things as clouds
Page 1 and 2: Participating Media Valerie Szudzie
Page 3 and 4: Light scattering Photon can continu
Page 5 and 6: Light scattering Increased radiance
Page 7 and 8: Volume rendering equation L(x, ⃗
Page 9 and 10: Phase Functions anisotropic scatter
Page 11 and 12: Raleigh Scattering p(θ) = 3 16π (
Page 13: Henyey-Greenstein ellipsoid-shaped
Page 17 and 18: Photon Tracing Requires photon map
Page 20: Rendering Smoke Uses fluid flow equ
Page 23 and 24: glass sphere, fog medium
Page 26 and 27: Rendering Translucent Material Can
Page 28: References Jensen: Realistic Image

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