Heres my code, its just some sample scene that came with POV-Ray:

#version 3.5;

#include "colors.inc"

global_settings {
  assumed_gamma 1.0
}

// ----------------------------------------

camera {
  location  <0.0, 2, 4.0>
  direction 1.5*z
  right     x*image_width/image_height
  look_at   <0.0, 0.0,  0.0>
}

sky_sphere {
  pigment {
    gradient y
    color_map {
      [0.0 rgb <0.6,0.7,1.0>]
      [0.7 rgb <0.0,0.1,0.8>]
    }
  }
}

light_source {
  <0.0, 5, -4.0>            // light's position (translated below)
  color rgb <1, 1, 1>  // light's color
  translate <-30, 30, -30>
}

// ----------------------------------------

plane {
  y, -1
  pigment { color rgb <0.7,0.5,0.3> }
}

// uses image color index as height, extends along X-Z axes
// from <0 0 0> to <1 1 1>
height_field {
  png               // the file type to read (tga/pot/pgm/ppm/png/sys)
  "refineresult.png"     // the file name to read
  color rgb <.5,.5,.9>
  //water_level N .2 // truncate/clip below N (0.0 ... 1.0)
  //  [smooth]        // smooth surface normal

//  texture {...}
//  translate VECTOR | rotate VECTOR | scale VECTOR
}
// End




"Pandora" <pan### [at] pandora-softwarecom> wrote in message
news:3d5abbcc@news.povray.org...
> "Johann Dugge" <joh### [at] duggede> wrote in message
> news:3d5aba40$1@news.povray.org...
> > Hi!
> > I havent done any raytracing for ages and ind it quite hard to get back
> into
> > povray. can someone explain to me how to use the heigh_field command (or
> > whatever). So far i can render a height_field but it wont light up, its
> all
> > black! I have set a light source exactlz at the cameras position and
tried
> > to set color rgb<.5,.5,.8> which seems to be correct but doesnt have any
> > effect.
> > Please help me as this height field stuff is verz interesting!
> >
>
>
>     Could you post some sample code so we can see what you're doing and
> where you're going wrong ? It's hard to tell from your description....
>
> --
> Pandora/Scott Hill/[::O:M:C::]Scorpion
> Software Engineer.
> http://www.pandora-software.com
>
>

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