Jaime Vives Piqueres wrote:
> I started a experiment to fake the "HDRI look", and found a simple and 
> nice-looking way to do "image_map lighting" with only one radiosity level.
> 
> The trick consists on two concentric spheres, the outern one for rad 
> lighting, and the inner one for reflection. The exterior sphere uses a 
> gray pigment function of the image_map, with high poly_wave and and high 
> ambient.

Er. Color me clueless, but how can the exterior sphere have any effect 
on the scene with the interior sphere blocking it?

-Xplo

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