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What (who) is ray tracing - definition
ray tracing
WIKIMEDIA DISAMBIGUATION PAGE
Raytracing; Ray Tracing; Ray-tracing; Ray tracing (disambiguation)
<graphics> A technique used in computer graphics to create
realistic images by calculating the paths taken by rays of
light entering the observer's eye at different angles. The
paths are traced backward from the viewpoint, through a point
(a pixel) in the image plane until they hit some object in
the scene or go off to infinity. Objects are modelled as
collections of abutting surfaces which may be rectangles,
triangles, or more complicated shapes such as 3D splines.
The optical properties of different surfaces (colour,
reflectance, transmitance, refraction, texture) also affect
how it will contribute to the colour and brightness of the
ray. The position, colour, and brightness of light sources,
including ambient lighting, is also taken into account.
Ray tracing is an ideal application for parallel processing
since there are many pixels, each of whose values is
independent and can thus be calculated in parallel.
Compare: radiosity.
Usenet newsgroup: news:comp.graphics.raytracing.
http://directory.google.com/Top/Computers/Software/Graphics/3D/Ray_Tracing/.
(2003-09-11)
Ray tracing
WIKIMEDIA DISAMBIGUATION PAGE
Raytracing; Ray Tracing; Ray-tracing; Ray tracing (disambiguation)
Ray tracing is a method for calculating the path of waves or particles through a system. The method is practiced in two distinct forms:
Ray tracing (graphics)
![effects of a camera]] due to [[depth of field]] and [[aperture]] shape (in this case a [[hexagon]]).](https://commons.wikimedia.org/wiki/Special:FilePath/BallsRender.png?width=200 "effects of a camera]] due to [[depth of field]] and [[aperture]] shape (in this case a [[hexagon]]).")
![caustics]] are visible. (Image created with [[V-Ray]].)](https://commons.wikimedia.org/wiki/Special:FilePath/Glass ochem.png?width=200 "caustics]] are visible. (Image created with [[V-Ray]].)")
![Image showing recursively generated rays from the "eye" (and through an image plane) to a light source after encountering two [[diffuse surface]]s](https://commons.wikimedia.org/wiki/Special:FilePath/PathOfRays.svg?width=200 "Image showing recursively generated rays from the \"eye\" (and through an image plane) to a light source after encountering two [[diffuse surface]]s")
![Cobalt]].)](https://commons.wikimedia.org/wiki/Special:FilePath/Ray-traced steel balls.jpg?width=200 "Cobalt]].)")
RENDERING ALGORITHM THAT WORKS BY SENDING OUT MANY VIRTUAL RAYS OF LIGHT
Ray tracer; Raytracer; Raytrace; Ray trace; Ray-tracer; Ray-trace; Ray Trace; Backwards ray tracing; Ray-tracing (graphics); Ray traced graphics; Raytracing (graphics); Real-time ray tracing; RTRT; Bidirectional path tracing; Algorithms for ray tracing; Real-time raytracing; History of ray tracing; Interactive raytracing; Computational complexity of ray tracing
In 3D computer graphics, ray tracing is a technique for modeling light transport for use in a wide variety of rendering algorithms for generating digital images.
Wikipedia
Ray tracing
Ray tracing is a method for calculating the path of waves or particles through a system. The method is practiced in two distinct forms:
