Abe wrote:
> 
> Regarding the clouds at Hugo Elias' page, he _does_ apply cloud shading
> via bump mapping in the snippet of pseudo-code at the end. You can also
> see it in the example image.
> 
> Abe

Seems you are right, but the effect is not very strong.  I think simple bump
maps probably are not sufficient in many cases like this:

http://www.wolkenatlas.de/wolken/wo12625.htm

Of course these are somewhat extreme, but the general type of those clouds is
very common.  

Christoph

--
Christoph Hormann <chr### [at] gmxde>
Homepage: http://www.schunter.etc.tu-bs.de/~chris/

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