“An Approximate Mie Scattering Function for Fog and Cloud Rendering” by Jendersie and d’Eon
Conference:
Type(s):
Interest Area:
- Gaming & Interactive, Production & Animation, and Research / Education
Title:
- An Approximate Mie Scattering Function for Fog and Cloud Rendering
Session/Category Title: Sampling Volumes and Surfaces
Presenter(s)/Author(s):
Abstract:
We present a two-lobe parametric phase function for light scattering in water droplets (fog/clouds) with fully analytic evaluation and importance sampling. We combine an HG lobe for the forward peak with Draine’s phase function. Our model maintains much of the accuracy of Mie scattering, without requiring extensive data tables.
References:
[1] Frank Chilton, Dixon D Jones, and Wilson K Talley. 1969. Imaging properties of light scattered by the sea. JOSA 59, 8 (1969), 891–898. https://doi.org/10.1364/JOSA.59.000891
[2] William M. Cornette and Joseph G. Shanks. 1992. Physically reasonable analytic expression for the single-scattering phase function. Applied Optics 31, 16 (Jun 1992), 3152–3160. https://doi.org/10.1364/AO.31.003152
[3] BT Draine. 2003. Scattering by interstellar dust grains. I. Optical and ultraviolet. The Astrophysical Journal 598, 2 (2003), 1017. https://doi.org/10.1086/379118
[4] Virtual Photonics Technology Initiative. 2020. Mie Simulator GUI. Beckman Laser Institute, University of California, Irvine. https://github.com/VirtualPhotonics/MieSimulatorGUI
ACM Digital Library Publication:
Overview Page:
Submit a story:
If you would like to submit a story about this presentation, please contact us: historyarchives@siggraph.org
