![]() ![]() What I did was use this texture map (which is a slightly modified version of one I found from some old CD-ROM with public domain sky textures) as a spherical environment map plugged into the haze parameter of mia_physicalsky. However they do demonstrate the cloud feature. Some are bad, some are worse, some are nice, some has bugs in them, some use very low anti aliasing, and none is a peice of art. it's basically a collection of all test animations done during the development of the sun&sky. if you modulate the haze value across the sky! Okay fine, weather control, you say, but that's not clouds, is it? So a 'hazier' sky is more white/yellowish and a less 'hazy' sky is deeper blue. The mia_physicalsky shader uses a 'haze' value to derive a sky color based on the sun position/angle. To which I twirl my moustache and say, 'tis a deep secret. I keep getting requests from people saying things like "I saw you at SigGraph showing of the mental ray sky and it had clouds in it. ![]()
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