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M-le-mot-dit (talk | contribs) m Disambiguate Raytrace to Ray tracing (graphics) using popups |
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[[www.answers.com]]{{Cleanup-jargon|date=June 2007}}
a relief map is a map that show on paerial part of a state country ec.
In [[computer graphics]], '''relief mapping''' is an alternative [[texture mapping]] technique to [[parallax mapping]] that is much more accurate, and can support [[self-shadowing]] and [[normal mapping]]. It can be quite simply described as a short-distance [[Ray tracing (graphics)|raytrace]] done on a [[pixel shader]]; various techniques can be implemented to speed up the raytrace by taking variable step sizes.
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