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> I always find making a good looking outdoor image difficult, especially when
> beginning. Often it's fairly discouraging, and I just give up. For this example,
> I saw this neat looking grassy valley which some trees that's somewhat foggy.
> Here's the best I could do after several iterations. Additionally, it took 12GiB
> of memory and 45 minutes to render. Fortunately my computer has plenty of RAM.
> Pretty awful, eh?
>
Did you use a hight_field for those hills? If so, at what resolution?
Some times, using an equivalent isosurface can save you from using all
that memory and may actualy be almost as fast.
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