// cpt-city: wkp/ice/wiki-ice-greenland (cpt)
//
// Subtle shades to depict the thickness of the Greenland
// ice sheet
//
// author: Eric Gaba (Sting)
// copyright: Attribution and share-alike required
// year: 2008
// url: https://phillips.shef.ac.uk/pub/cpt-city/wkp/ice
#declare wiki_ice_greenland =
color_map {
  [0.00000 color rgbf <0.9686,0.9922,0.9961,0.0000>]
  [0.30986 color rgbf <0.9686,0.9922,0.9961,0.0000>]
  [0.30986 color rgbf <0.9490,0.9725,0.9725,0.0000>]
  [0.46635 color rgbf <0.9490,0.9725,0.9725,0.0000>]
  [0.46635 color rgbf <0.8980,0.9412,0.9490,0.0000>]
  [0.62285 color rgbf <0.8980,0.9412,0.9490,0.0000>]
  [0.62285 color rgbf <0.8510,0.9059,0.9137,0.0000>]
  [0.77934 color rgbf <0.8510,0.9059,0.9137,0.0000>]
  [0.77934 color rgbf <0.8118,0.8824,0.8941,0.0000>]
  [0.93584 color rgbf <0.8118,0.8824,0.8941,0.0000>]
  [0.93584 color rgbf <0.7647,0.8588,0.8745,0.0000>]
  [1.00000 color rgbf <0.7647,0.8588,0.8745,0.0000>]
}