[Bf-cycles] Need help with shaders

storm kartochka22 at yandex.ru
Mon Oct 3 09:50:40 CEST 2011

One more step forward.

Switch to importance sampling of Henyey-Greenshtein function, now "g"
asymmetric factor works. g = 0 uniform, g = 1 full backward reflection
(smoke), -1 = full forward reflection (transparent), for water clouds
use g = -0.9, set color full white (1), and high number of Integrator
bounces (12+) and infinity patience.
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