Real-time realistic illumination and shading of stratiform clouds

Bouthors Antoine, Neyret Fabrice, Lefebvre Sylvain
In Galin E. et Chiba N. editors, Eurographics Workshop on Natural Phenomena. Vienne, Autriche, septembre 2006. pages . Eurographics, 2006.
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Realistic rendering of clouds involves solving the complex interaction of light within the cloud and with its environment. Interactive methods achieve efficient cloud rendering by ignoring several lighting effects. However, these effects are visually important, and removing them strongly reduces realism. We present a novel approach for capturing the important effects of multiple anisotropic Mie scattering within cloud layers (i.e., stratiform clouds), and the inter-reflections between the ground and the cloud base under sun and sky illumination. Our model maps well to graphics hardware, enabling the real-time rendering of animated cloud skies over landscapes.

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See also

See also:
Advected textures
Flow-noise on GPU (would have been great to have it at the time of this present work !)

BibTex References

author = {Antoine Bouthors and Fabrice Neyret and Sylvain Lefebvre},
title = {Real-time realistic illumination and shading of stratiform clouds},
booktitle = {Eurographics Workshop on Natural Phenomena, September, 2006},
editor = {\'Eric Galin and Norishige Chiba},
address = {Vienne, Autriche},
publisher = {Eurographics},
year = 2006

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