“The Iray Light Transport Simulation and Rendering System”

  • ©Alexander Keller, Carsten Wachter, Matthias Raab, Daniel Seibert, Dietger van Antwerpen, Johann Korndorfer, and Lutz Kettner

  • ©Alexander Keller, Carsten Wachter, Matthias Raab, Daniel Seibert, Dietger van Antwerpen, Johann Korndorfer, and Lutz Kettner

Conference:


Entry Number: 34

Title:

    The Iray Light Transport Simulation and Rendering System

Presenter(s):



Abstract:


    While ray tracing has become increasingly common and path tracing is well understood by now, a major challenge consists of crafting an easy-to-use and efficient system implementing these technologies. Following a purely physically-based paradigm while still allowing for artistic workflows, the Iray light transport simulation and rendering system allows for rendering complex scenes by the push of a button and thus makes accurate light transport simulation widely available. We discuss the challenges and implementation choices that follow from our primary design decisions, demonstrating that such a rendering system can be made a practical, scalable, and efficient real-world application that is in use by many industry professionals today.

References:


    Goral, K. Torrance, D. Greenberg, and B. Battaile. 1984. Modeling the Interaction of Light Between Diffuse Surfaces. SIGGRAPH 18, 3 (Jan. 1984), 213–222. Google ScholarDigital Library
    A. Keller. 2013. Quasi-Monte Carlo Image Synthesis in a Nutshell. In Monte Carlo and Quasi-Monte Carlo Methods 2012, J. Dick, F. Kuo, G. Peters, and I. Sloan (Eds.). Springer, 203–238. Google ScholarCross Ref
    A. Keller, C. Wächter, M. Raab, D. Seibert, D. Antwerpen, J. Korndörfer, and L. Kettner. 2017. The Iray Light Transport Simulation and Rendering System. CoRR abs/1705.01263 (2017). http://arxiv.org/abs/1705.01263Google Scholar
    L. Kettner, M. Raab, D. Seibert, J. Jordan, and A. Keller. 2015 . The Material Definition Language. In Proceedings of the Workshop on Material Appearance Modeling. 1–4.Google Scholar
    E. Veach. 1997. Robust Monte Carlo Methods for Light Transport Simulation. Ph.D. Dissertation. Stanford University.Google Scholar
    G. Ward. 1994. The RADIANCE Lighting Simulation and Rendering System. In Computer Graphics. 459 — 472.

Keyword(s):



Acknowledgements:


    The authors would like to thank Michael R. Kaplan and Daniel
    Levesque as well as the product management, QA, development,
    and research teams at NVIDIA for their contributions to the Iray
    light transport simulation and rendering system.


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