Christoph Hormann wrote:
> But when you have one sky map you can rotate it arbitrarily around the 
> vertical axis to get different sun positions in azimuth. 

   Yes, I did not think on it, but you are as usual right.

> And for good results you would of course need a 
> high dynamic range map.

   Not necessarily, I think, only if you want very accurate radiosity. 
For me the biggest problem is the rendering time required to create an 
extensive collection of cloudscapes.

> The thing i am having trouble with is to get the 
> random parameter selection to *always* produce a scene that looks 
> reasonable.

   I think you are way too exigent... but I do not doubt you will figure 
out a solution. :)

--
Jaime

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