On 17-6-2013 16:21, scott wrote:

> That shouldn't make a difference, because the sun radius is determined
> from the distance. The reason I did that is because SunPos.inc returns a
> massive distance for the sun vector which causes problems in some
> scenes, in reality it only needs to be a few orders of magnitude further
> away than everything else in your scene.
>

And yet, *that* is exactly the trouble maker. Without, the scene renders 
perfectly, like the example (with radiosity added again) shows. Also in 
any other of my scenes the results are correct. Exp at 4e-5 again here.

Thomas

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