research-article

A practical extension to microfacet theory for the modeling of varying iridescence

Authors:

Laurent Belcour,

Pascal BarlaAuthors Info & Claims

ACM Transactions on Graphics (TOG), Volume 36, Issue 4

Article No.: 65, Pages 1 - 14

https://doi.org/10.1145/3072959.3073620

Published: 20 July 2017 Publication History

Abstract

In this work, we introduce an extension to microfacet theory for the rendering of iridescent effects caused by thin-films of varying thickness (such as oil, grease, alcohols, etc) on top of an arbitrarily rough base layer. Our material model is the first to produce a consistent appearance between tristimulus (e.g., RGB) and spectral rendering engines by analytically pre-integrating its spectral response. The proposed extension works with any microfacet-based model: not only on reflection over dielectrics or conductors, but also on transmission through dielectrics. We adapt its evaluation to work in multi-scale rendering contexts, and we expose parameters enabling artistic control over iridescent appearance. The overhead compared to using the classic Fresnel reflectance or transmittance terms remains reasonable enough for practical uses in production.

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Cited By

Nakamoto KKoike T(2024)[Paper] Estimation of Thin-film and Base Material Parameters for Rendering Iridescent Effects by Thin-film InterferenceITE Transactions on Media Technology and Applications10.3169/mta.12.5412:1(54-60)Online publication date: 2024
https://doi.org/10.3169/mta.12.54
Sun L(2024)Geometric attenuation function analysis based on V-grooved surfacesApplied Optics10.1364/AO.50953763:5(1204)Online publication date: 2-Feb-2024
https://doi.org/10.1364/AO.509537
Lucas SRibardière MPacanowski RBarla P(2024)A Fully-correlated Anisotropic Micrograin BSDF ModelACM Transactions on Graphics10.1145/365822443:4(1-14)Online publication date: 19-Jul-2024
https://dl.acm.org/doi/10.1145/3658224
Show More Cited By

Index Terms

A practical extension to microfacet theory for the modeling of varying iridescence
1. Computing methodologies
  1. Computer graphics
    1. Rendering
      1. Reflectance modeling

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cover image ACM Transactions on Graphics

ACM Transactions on Graphics Volume 36, Issue 4

August 2017

2155 pages

ISSN:0730-0301

EISSN:1557-7368

DOI:10.1145/3072959

Issue’s Table of Contents

Copyright © 2017 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 the author(s) 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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Publication History

Published: 20 July 2017

Published in TOG Volume 36, Issue 4

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Cited By

Nakamoto KKoike T(2024)[Paper] Estimation of Thin-film and Base Material Parameters for Rendering Iridescent Effects by Thin-film InterferenceITE Transactions on Media Technology and Applications10.3169/mta.12.5412:1(54-60)Online publication date: 2024
https://doi.org/10.3169/mta.12.54
Sun L(2024)Geometric attenuation function analysis based on V-grooved surfacesApplied Optics10.1364/AO.50953763:5(1204)Online publication date: 2-Feb-2024
https://doi.org/10.1364/AO.509537
Lucas SRibardière MPacanowski RBarla P(2024)A Fully-correlated Anisotropic Micrograin BSDF ModelACM Transactions on Graphics10.1145/365822443:4(1-14)Online publication date: 19-Jul-2024
https://dl.acm.org/doi/10.1145/3658224
Steinberg SRamamoorthi RBitterli BMollazainali AD'Eon EPharr M(2024)A Free-Space Diffraction BSDFACM Transactions on Graphics10.1145/365816643:4(1-15)Online publication date: 19-Jul-2024
https://dl.acm.org/doi/10.1145/3658166
Fourneau GPacanowski RBarla P(2024)Interactive Exploration of Vivid Material Iridescence using Bragg MirrorsComputer Graphics Forum10.1111/cgf.1501743:2Online publication date: 23-Apr-2024
https://doi.org/10.1111/cgf.15017
Sen Loi WChau K(2023)Multiscale models of plasmonic structural colors with nanoscale surface roughnessOptics Letters10.1364/OL.47470348:7(1738)Online publication date: 23-Mar-2023
https://doi.org/10.1364/OL.474703
Kaminaka YHigaki TRaytchev BKaneda K(2023)Efficient and Accurate Physically Based Rendering of Periodic Multilayer Structures with IridescenceSIGGRAPH Asia 2023 Posters10.1145/3610542.3626137(1-2)Online publication date: 12-Dec-2023
https://dl.acm.org/doi/10.1145/3610542.3626137
Yu YXia MWalter BMichielssen EMarschner S(2023)A Full-Wave Reference Simulator for Computing Surface ReflectanceACM Transactions on Graphics10.1145/359241442:4(1-17)Online publication date: 26-Jul-2023
https://dl.acm.org/doi/10.1145/3592414
Abu Rmaileh LBrunton A(2023)Meso-Facets for Goniochromatic 3D PrintingACM Transactions on Graphics10.1145/359213742:4(1-12)Online publication date: 26-Jul-2023
https://doi.org/10.1145/3592137
Risseeuw CMartinez Castro JBarla PKarana E(2023)FlavoMetrics: Towards a Digital Tool to Understand and Tune Living Aesthetics of FlavobacteriaProceedings of the 2023 ACM Designing Interactive Systems Conference10.1145/3563657.3596085(2079-2092)Online publication date: 10-Jul-2023
https://dl.acm.org/doi/10.1145/3563657.3596085
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