On 17-6-2013 16:41, scott wrote:

> Thinking about, you can have light_sources and still use radiosity can't
> you? In that case I don't see any benefit to using a sphere for the sun
> over using a light_source (even an area_light if you want realistic soft
> shadows).

Your scene uses a light_source, therefore the visibility switch should 
switch on the looks_like code there.

Thomas

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