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Published byLynette Woods Modified over 9 years ago
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Samuli Helin
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Valon ominaisuudet luonnossa Valaisumalleja tietokonegrafiikassa Raytracing eli säteenseuranta Global illumination Renderöinti
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Refraction Reflection Emitting Fluoresence
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Phong, Bui Tuong Phong Utah 1973 Blinn, phong-modification Oren-Nayar, Michael Oren and Shree K. Nayar
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Interpolating intensity between polygons Shiny plastic surfaces
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Approximation of Phong Faster Elleptic reflection in small angles
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Simulates light reflection from rough surfaces
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Global lighting model and techniques for generating images Ray tracing is simulated Remarkable computing power needed Can be calculated from camera or from light source
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Several techniques and algorithms are being used for realistig lighting Fairly heavy Difficult to implement in animations without aliasing and errors if comprehensive computing model is used
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QMC Irradiance cache Radiosity map Light map
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Really many controls! Start small Examine the effects ->Think what is necessary Animations need very much more quality because of flashing
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https://www.youtube.com/watch?v=PccWJ-zxlQw
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