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Bruno Cabasson nous apporta ses lumieres en ce 25/08/2006 06:01:
> Hi there.
>
> I recently worked on the question of clouds, and I found that one should
> separate cloud layers from individual clouds. I developed macros and
> template files in order to control atmposphere effects, cloud layers,
> individual clouds, redenning of light when the sun is low above the
> horizon.
>
> One thing is sure: if you want nice clouds, it takes long to render because
> you need to increase the number of samples. You also must tune the ratio
> scatter/absorb, chose the scattering type (MIE_HAZY_SCATTERING seem OK),or
> maybe combine 2 scattering types. But I would not recomment adjusting the
> aspect via emission. First because it does not correspod to reality, and
> second because it will interact with radiosity in a wrong manner.
Only if you add "media on" in the radiosity block. Otherwise, radiosity will
ignore your media, even if it's a very bright emissive one.
>
> Here is my last result. I post right after some other samples of what I got
> so far. These are 800x600 renders with 2/3 of them is sky. They took 2-3
> hours ach with an athlon XP 3000+.
>
> Btw: can I attach more than one image in a post?
Not when usint the web interface as in your current case.
Yes if using a mail/news client.
>
> Now I am working on some other features: sun aspect (halo ...)
>
--
Alain
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Change is inevitable, except from vending machines.
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