> Here is the version with IOR/Ice between the bright snow and the dirty slush.
> Not worth the render time. That one area of checker has been there since 7h past
> day one initiation of render.
>
> It says 17ppm, but I think its lying.
>
> By that metric, it should have been done long ago. Hah.
>
> Anyway, the macro for the previous image has parameters which allow for
> increased variance of the texture.
>
> I'll release these macros before the main coating algorithm, and again with it
> in 7z format.
>
> Ian
>

You can reduce the render time by increasing the adc_bailout value. From 
the default of 1/256 to something like 0.01 or slightly more.
Not always acurate, but, in many cases, you may not notice the difference.



Alain

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