Thanks for sharing that with us. I made similar tries this week-end, 
with less fortune though. I guess I messed up a bit with all the 
parameters because I get strange patches of shadow (which gives a nice 
artistic sight) and I see with your experiment that soft light is also 
possible. Would you share the source ?

JC

Nicolas Rougier wrote:
> 
> Hi all,
> 
> I did some experiments using radiosity and no regular light sources to 
> see what can be done with pure ambient light. I then defined a light 
> source as a set of 10 concentric discs with fading and quite high 
> ambient value and try to place them in the scene like any regular light.
> 
> The result is attached with this message. The first and second row are 
> composed of one blue "light source" at different position and the last 
> row is composed of one white "light source" at different positions + a 
> blue sky dome.
> 
> I imagine this is nothing new but I like the atmosphere it gives.
> 
> 
> 
> Nicolas
> 
> 
> 
> ------------------------------------------------------------------------
>

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