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John Turner Whitted is an electrical engineer and computer scientist who introduced recursive ray tracing to the computer graphics community with his 1979 paper "An improved illumination model for shaded display". [1] [2] His algorithm proved to be a practical method of simulating global illumination, inspired many variations, and is in wide ...
Turner Whitted was the first to show recursive ray tracing for mirror reflection and for refraction through translucent objects, with an angle determined by the solid's index of refraction, and to use ray tracing for anti-aliasing. [12]
Ray-cast image of idealized universal joint with shadow. Ray casting is the methodological basis for 3D CAD/CAM solid modeling and image rendering. It is essentially the same as ray tracing for computer graphics where virtual light rays are "cast" or "traced" on their path from the focal point of a camera through each pixel in the camera sensor to determine what is visible along the ray in the ...
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Conventional ray tracing uses single rays to sample many different domains. For example, when the color of an object is calculated, ray tracing might send a single ray to each light source in the scene. This leads to sharp shadows, since there is no way for a light source to be partially occluded (another way of saying this is that all lights ...
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The story follows friends Caine (Tyrin Turner) and O-Dog (Larenz Tate) in violent escapades through the treacherous streets of Los Angeles’s Watts and Crenshaw neighborhoods. “This is the truth.