Relief mapping (computer graphics): Difference between revisions

Revision as of 23:58, 12 February 2018

Revision as of 04:57, 10 July 2019

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In [[computer graphics]], '''relief mapping''' is a [[texture mapping]] technique used to render the surface details of three-dimensional objects accurately and efficiently.<ref>{{cite journal|title='Real-time relief mapping on arbitrary polygonal surfaces'|author=Policarpo, F., Oliveira, M. M., Comba, J. L. D.|journal=Proceedings of the 2005 Symposium on Interactive 3D Graphics and Games|year=2005|pages=155–162|url=http://www.inf.ufrgs.br/~comba/papers/2005/rtrm-i3d05.pdf}}</ref> It can produce accurate depictions of [[Hidden surface determination|self-occlusion]], [[self-shadowing]], and parallax.<ref>{{cite journal|author=Policarpo, F., Oliveira, M. M.|title='Relief Mapping of Non-Height-Field Surface Details|journal=Proceedings of the 2006 symposium on Interactive 3D graphics and games|year=2006|url=http://www.inf.ufrgs.br/~oliveira/pubs_files/Policarpo_Oliveira_RTM_multilayer_I3D2006.pdf|accessdate=18 February 2011}}</ref> It is a form of short-distance [[Ray tracing (graphics)|raytrace]] done in a [[pixel shader]].{{cncitation needed|date=February 2011}} Relief mapping is highly comparable in both function and approach to another displacement texture mapping technique, [[Parallax occlusion mapping]], considering that they both rely on raytraces, though the two are not to be confused with each other, as parallax occlusion mapping uses reverse heightmap tracing.

==See also==

{{Portal|Computer graphics}}

* [[Shaded relief]]

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==External links==

*[http://www.inf.ufrgs.br/~oliveira/RTM.html Manuel's Relief texture mapping]

{{Texture Mapping Techniques}}{{Compu-graphics-stub}}

[[Category:3D computer graphics]]

[[Category:Texture mapping]]

{{Texture Mapping Techniques}}{{Compu-graphics-stub}}

{{Compu-graphics-stub}}