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Abstract: Displacement maps and procedural displacement shaders are a widely used approach of specifying geometric detail and increasing the visual complexity of a scene. While it is relatively straightforward to handle displacement shaders in pipeline based rendering systems such as the Reyes-architecture, it is much harder to efficiently integrate displacement-mapped surfaces in ray-tracers. Many commercial ray-tracers tessellate the surface into a multitude of small triangles. This introduces a series ... (Update)
Context of citations to this paper: More
.... 93 [2] as a tool for validated numerics [20] Since then, AA has been applied to the robust solution of several graphics problems [4,6,7,11,12], where it has successfully replaced interval arithmetic [16] In AA, a quantity x is represented as an affine form, x = x 0 x...
.... one of these tools, and its use in interval methods has resulted in faster algorithms for several problems in computer graphics [6, 5, 16, 15, 4]. A natural next step is to use affine arithmetic instead of interval arithmetic in the global processing algorithms we have...
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BibTeX entry: (Update)
W. Heidrich and H.-P. Seidel. Ray-tracing procedural displacement shaders. In Proceedings of Graphics Interface '98, 1998. http://citeseer.nj.nec.com/article/heidrich98raytracing.html More
@inproceedings{ heidrich98raytracing,
author = "Wolfgang Heidrich and Hans-Peter Seidel",
title = "Ray-Tracing Procedural Displacement Shaders",
booktitle = "Graphics Interface",
pages = "8--16",
year = "1998",
url = "citeseer.nj.nec.com/article/heidrich98raytracing.html" }
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69 The RenderMan Companion (context) - Upstill - 1990
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46 Texturing and Modeling: A Procedural Approach (context) - Ebert, Musgrave et al. - 1994
45 A language for shading and lighting calculations (context) - Hanrahan, Lawson - 1990
37 Guaranteed ray intersections with implicit surfaces (context) - Kalra, Barr - 1989
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16 The synthesis and rendering of eroded fractal terrains - Musgrave, Kolb et al. - 1989
13 Generative Modeling for Computer graphics and CAD: Symbolic .. (context) - Snyder - 1992
10 Sampling procedural shaders using affine arithmetic - Heidrich, Slusallek et al. - 1998
10 Ray tracing deformed surfaces (context) - Barr - 1986
7 Geometry caching for ray-tracing displacement maps - Pharr, Hanrahan - 1996
5 OpenAlias Manual (context) - Wavefront - 1996
4 Affine arithmetic and its applications to computer graphics - ao, Comba et al. - 1993
4 Number 120 in Lecture notes in computer science (context) - Rall, Techniques - 1981
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