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A model for anisotropic reflection

Authors:

Alain FournierAuthors Info & Claims

ACM SIGGRAPH Computer Graphics, Volume 24, Issue 4

Pages 273 - 282

https://doi.org/10.1145/97880.97909

Published: 01 September 1990 Publication History

Abstract

A reflection and refraction model for anisotropic surfaces is introduced. The anisotropy is simulated by small cylinders (added or subtracted) distributed on the anisotropic surface. Different levels of anisotropy are achieved by varying the distance between each cylinder and/or rising the cylinders more or less from the surface. Multidirectional anisotropy is modelled by orienting groups of cylinders in different direction. The intensity of the reflected light is computed by determining the visible and illuminated portion of the cylinders, taking self-blocking into account. We present two techniques to compute this in practice. In one the intensity is computed by sampling the surface of the cylinders. The other is an analytic solution. In the case of the diffuse component, the solution is exact. In the case of the specular component, an approximation is developed using a Chebyshev polynomial approximation of the specular term, and integrating the polynomial.This model can be implemented easily within most rendering system, given a suitable mechanism to define and alter surface tangents. The effectiveness of the model and the visual importance of anisotropy are illustrated with some pictures.

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Cited By

Hanrahan PKrueger W(2023)Reflection from Layered Surfaces due to Subsurface ScatteringSeminal Graphics Papers: Pushing the Boundaries, Volume 210.1145/3596711.3596743(279-288)Online publication date: 1-Aug-2023
https://dl.acm.org/doi/10.1145/3596711.3596743
Atanasov AKoylazov VDimov RWilkie A(2022)Microsurface TransformationsComputer Graphics Forum10.1111/cgf.1459041:4(105-116)Online publication date: 30-Jul-2022
https://doi.org/10.1111/cgf.14590
Wen JLiu QXiao QLiu QYou DHao DWu SLin X(2018)Characterizing Land Surface Anisotropic Reflectance over Rugged Terrain: A Review of Concepts and Recent DevelopmentsRemote Sensing10.3390/rs1003037010:3(370)Online publication date: 27-Feb-2018
https://doi.org/10.3390/rs10030370
Show More Cited By

Index Terms

A model for anisotropic reflection
1. Computing methodologies
  1. Computer graphics
    1. Image manipulation
      1. Texturing
    2. Shape modeling
      1. Parametric curve and surface models
      2. Volumetric models
2. Mathematics of computing
  1. Mathematical analysis
    1. Numerical analysis
      1. Computations on polynomials

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Published In

cover image ACM SIGGRAPH Computer Graphics

ACM SIGGRAPH Computer Graphics Volume 24, Issue 4

Aug. 1990

377 pages

ISSN:0097-8930

DOI:10.1145/97880

Editor:
Richard J. Beach

Issue’s Table of Contents

SIGGRAPH '90: Proceedings of the 17th annual conference on Computer graphics and interactive techniques
September 1990
452 pages
ISBN:0897913442
DOI:10.1145/97879
Chairman:
Forest Baskett

Copyright © 1990 ACM.

Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 01 September 1990

Published in SIGGRAPH Volume 24, Issue 4

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Cited By

Hanrahan PKrueger W(2023)Reflection from Layered Surfaces due to Subsurface ScatteringSeminal Graphics Papers: Pushing the Boundaries, Volume 210.1145/3596711.3596743(279-288)Online publication date: 1-Aug-2023
https://dl.acm.org/doi/10.1145/3596711.3596743
Atanasov AKoylazov VDimov RWilkie A(2022)Microsurface TransformationsComputer Graphics Forum10.1111/cgf.1459041:4(105-116)Online publication date: 30-Jul-2022
https://doi.org/10.1111/cgf.14590
Wen JLiu QXiao QLiu QYou DHao DWu SLin X(2018)Characterizing Land Surface Anisotropic Reflectance over Rugged Terrain: A Review of Concepts and Recent DevelopmentsRemote Sensing10.3390/rs1003037010:3(370)Online publication date: 27-Feb-2018
https://doi.org/10.3390/rs10030370
Lee JJarabo AJeon DGutierrez DKim M(2018)Practical multiple scattering for rough surfacesACM Transactions on Graphics10.1145/3272127.327501637:6(1-12)Online publication date: 4-Dec-2018
https://dl.acm.org/doi/10.1145/3272127.3275016
Kizel FBenediktsson JBruzzone LPedersen GVilmundardottir OFalco N(2018)Simultaneous and Constrained Calibration of Multiple Hyperspectral Images Through a New Generalized Empirical Line ModelIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing10.1109/JSTARS.2018.280466611:6(2047-2058)Online publication date: Jun-2018
https://doi.org/10.1109/JSTARS.2018.2804666
Salunke NNallapaneni AYuan GStafford CNiu HShawkey MWeiss RKarim A(2017)Film Confinement Induced “Jump-Percolation” Wetting Transition in Amphiphilic Block Copolymer FilmsACS Applied Materials & Interfaces10.1021/acsami.7b072459:40(35349-35359)Online publication date: 2-Oct-2017
https://doi.org/10.1021/acsami.7b07245
(2017)ReferencesPhysically Based Rendering10.1016/B978-0-12-800645-0.50027-0(1165-1211)Online publication date: 2017
https://doi.org/10.1016/B978-0-12-800645-0.50027-0
Filip JHavlíăźEk MVávra R(2017)Adaptive highlights stencils for modeling of multi-axial BRDF anisotropyThe Visual Computer: International Journal of Computer Graphics10.1007/s00371-015-1148-133:1(5-15)Online publication date: 1-Jan-2017
https://dl.acm.org/doi/10.1007/s00371-015-1148-1
Raymond BGuennebaud GBarla P(2016)Multi-scale rendering of scratched materials using a structured SV-BRDF modelACM Transactions on Graphics10.1145/2897824.292594535:4(1-11)Online publication date: 11-Jul-2016
https://dl.acm.org/doi/10.1145/2897824.2925945
Zirr TKaplanyan AWyman CYuksel C(2016)Real-time rendering of procedural multiscale materialsProceedings of the 20th ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games10.1145/2856400.2856409(139-148)Online publication date: 27-Feb-2016
https://dl.acm.org/doi/10.1145/2856400.2856409
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