> On an unrelated note, I googled some tree shadows to see how blurred they tend
> to be (it's not hard to figure out from the sun's distance and radius) and came
> across this, which I thought was pretty neat:
>
> http://djoye.chez-alice.fr/Eclipse_05-10-03_7.jpg
>
>  - Ricky

I read the ratio of the diameter to distance was 109. So if you put the sun at
<1000,1000,500> you make it vlength(<1000,1000,500>)/109 wide (as an area_light
for example).

Cheers,
Edouard.

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