Samuel Benge nous apporta ses lumieres ainsi en ce 2004/04/08 15:33... :

> Samuel Benge wrote:
>
>> I can't really see a practical application for this trick. Even 
>> though this image rendered in a little over five minutes, it can get 
>> very slow when antialiasing is applied :(
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> Update:
> I just tried it again with antialising, and the render time didn't 
> really go up that much. Evidently, the last time I tried aa the 
> texture had a lot of noise in it. Also, removing the surface normal 
> considerably decreases render time.
>
> I attached two more images. The first one has the surface normal in 
> place and uses aa. The second uses no surface normal, but still has 
> aa. The render times are diplayed in the lower right corner of each 
> image.
>
> -Samuel Benge
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Second one looks beter for a flyby over some clouds, the first should be 
beter for a snowy field. For me anyway.

Alain

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