Am 09.10.2014 04:57, schrieb Bald Eagle:
> Warp posted this code for a wood floor he made, and I'm mystified by the "2"
> after "gradient x".  Can anyone explain?
>
> normal { gradient x 2
>      slope_map {
>       [0.00 <0, 1>]
>       [0.05 <1, 0>]
>       [0.95 <1, 0>]
>       [1.00 <0,-1>]
>       }
>      scale 2
>      };

It's an optional scaling factor for the bumpiness. (Officially there 
should be a comma between the "x" and the "2", but POV-Ray is rather lax 
on commas.)

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