#declare f_wall2 = function {
 100 - x
 - f_noise3d(0,y/3,0)*12
 + f_noise3d(0,y/32,z/64)*16
 + f_noise3d(0,y/16,z/32)*8
 + f_noise3d(0,y/8,z/8)*4
 + f_noise3d(0,y/4,z/4)*2
 + f_noise3d(0,y/2,z/2)*1
}

isosurface {
 function { f_wall2(x,y,z) }
 threshold 0
 evaluate 1.5,1.2,0.7
 contained_by {box{<95,-100,-1000>,<120,200,1000>}}
 texture {pigment {color rgb <0.4,0.3,0.2>}}
}

---
Chambers

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Attachments:
Download 'eb_wall.jpg' (32 KB)

Preview of image 'eb_wall.jpg'

>Chambers  on date 19/06/2011 21:46 wrote:
> #declare f_wall2 = function {
>   100 - x
>   - f_noise3d(0,y/3,0)*12
>   + f_noise3d(0,y/32,z/64)*16
>   + f_noise3d(0,y/16,z/32)*8
>   + f_noise3d(0,y/8,z/8)*4
>   + f_noise3d(0,y/4,z/4)*2
>   + f_noise3d(0,y/2,z/2)*1
> }
>
> isosurface {
>   function { f_wall2(x,y,z) }
>   threshold 0
>   evaluate 1.5,1.2,0.7
>   contained_by {box{<95,-100,-1000>,<120,200,1000>}}
>   texture {pigment {color rgb<0.4,0.3,0.2>}}
> }
>
> ---
> Chambers
Really interesting,
;-)
Paolo

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High!

On 19.06.2011 21:46, Chambers wrote:
> #declare f_wall2 = function {
>   100 - x
>   - f_noise3d(0,y/3,0)*12
>   + f_noise3d(0,y/32,z/64)*16
>   + f_noise3d(0,y/16,z/32)*8
>   + f_noise3d(0,y/8,z/8)*4
>   + f_noise3d(0,y/4,z/4)*2
>   + f_noise3d(0,y/2,z/2)*1
> }
>
> isosurface {
>   function { f_wall2(x,y,z) }
>   threshold 0
>   evaluate 1.5,1.2,0.7
>   contained_by {box{<95,-100,-1000>,<120,200,1000>}}
>   texture {pigment {color rgb<0.4,0.3,0.2>}}
> }
>
> ---
> Chambers

If you add some large-scale turbulence to it, it would go pretty well as 
some natural slate formation!

See you in Khyberspace - www.khyberspace.de

Yadgar

Now playing: Thug (ZZ Top)

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