"Thomas de Groot" <tDOTdegroot@interDOTnlANOTHERDOTnet> wrote:
> "Kirk Andrews" <kir### [at] tektonartcom> schreef in bericht
> news:web.4abef0996e45ae001322341f0@news.povray.org...
> > Just a doodle.  I recently rediscovered World Machine, and this is a
> > recent
> > result.  I may try and make a real scene out of this...when I have time.
> >
>
> Superb! Is this with the free version, limited to the 512x512 image size?
>
> Thomas

Yes, just the free version.  Instead of plugging the image directly into the
heightfield, I made a function from it and added just a bit of small-scale
turbulence:

#declare HFX =
function {
  pigment {
    image_map {
      tga "WMCanyon.tga"
      map_type 0
      interpolate 2
    }
    warp {repeat x}
    warp {repeat y}
    scale 50
    warp {turbulence .2}
    scale 1/50
  }
}

#declare Terrain =
height_field {
  function 4500, 4500 {
    HFX(x,y,z).hf
  }
  smooth
  translate -.5
  scale 2
  scale 1/4*y
  scale TerrainScale
}

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