On 28-4-2016 12:59, Jaime Vives Piqueres wrote:
>    BTW, I've just found a way to avoid the "bottom" problem with df3
> clouds:

It makes for different types of clouds of course. Left image is the 
original use of the df3 files as densities; right used as pigment 
patterns and with a gradient y density.

I had to substantially increase samples to eliminate artifacts. While 
left I could get away with samples 10, on the right - to keep on the 
safe side - I used samples 100. I probably could easily get away with 
samples 50 though.

-- 
Thomas

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