scott <sco### [at] scottcom> wrote:
> See example images posted in p.b.i
>
> SkySim.inc is the macro, SkySimTestGround.pov is a simple example of a
> scene using the macro.

Hello, I try your macro but I've got an error on line:
#local xyYtoR = function (x,y,Y){ (x/y* 3.2406  -1.5372 + (1-x-y)/y *
-0.4986)*Y/SkyMaxLuminance }
where Y seems undefined.
I am wrong?

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