June 2012
Beginner to intermediate
268 pages
8h 59m
English
Content preview from Shadow Algorithms Data Miner
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148 5. Other Treatments of Shadows
Fi gure 5.5. Masking and self-shadowing in the V-shaped microfacets model of Torrance
and Sparrow [589]. e distribution of surface normals at the bottom right can be approxi-
mated to a shape at the top right, providing the fraction of surface normals oriented in each
direction.
much larger than the wavelength of light, thus limiting themselves to geometrical
optics. In this section, we go over the details of such shadowing computations for
advanced reection models.
In a reection model proposed by Torrance and Sparrow [589], the surface de-
tails are represented by a collection of mirror-like microfacets randomly ...
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