Bill Pragnell nous apporta ses lumieres en ce 2005-10-26 12:26:
> Alain <ele### [at] netscapenet> wrote:
> 
>>Needs an area_light. In all the ilustrations I saw, the shadows have soft edges.
> 
> I have a feeling that soft terminators would not be visible on the arch to
> the naked eye - too small. It's likely that Ringworld illustrations are
> exaggerated for artistic effect.
> 
> I could be wrong - I *think* I used an area_light for my ringworld picture
> (see previous thread) but I can't remember! :)
> 
> Bill
> 
In the images I saw, the shadowing squares are between 1/2 and 2/3 of the ring's
radius. With such 
proportions, you have prety whide penumbraes.

-- 
Alain
-------------------------------------------------
To the world you may be one person, but to one
person you may be the world.

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