On Sun, 16 Jan 2000 16:31:31 -0500, Andrea Ryan <ary### [at] global2000net>
wrote:

>Hello,
>How can I make contour maps?  I made contour lines by scaling down a
>color_map but it does not have one color for a range of heights.

Try:

height_field
{
  tga "foobar.tga"
  smooth
  pigment 
  {
    gradient y frequency 20
    color_map { [0 rgb 0][0.9 rgb 0][0.9 rgb 1][1 rgb 1] }
  }
}

etc.


Peter Popov
pet### [at] usanet
ICQ: 15002700

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