// cpt-city: jjg/dem/c3t3 (cpt)
//
// Various digital elevation models (DEM) schemes
//
// author: J.J. Green
// copyright: Public domain
// year: 2004
// url: https://phillips.shef.ac.uk/pub/cpt-city/jjg/dem
#declare c3t3 =
color_map {
  [0.00000 color rgbf <0.4588,0.6902,0.5529,0.0000>]
  [0.01429 color rgbf <0.4588,0.6902,0.5529,0.0000>]
  [0.01429 color rgbf <0.5686,0.7490,0.6118,0.0000>]
  [0.04286 color rgbf <0.5686,0.7490,0.6118,0.0000>]
  [0.04286 color rgbf <0.6627,0.8275,0.6941,0.0000>]
  [0.07143 color rgbf <0.6627,0.8275,0.6941,0.0000>]
  [0.07143 color rgbf <0.7843,0.8824,0.7569,0.0000>]
  [0.10714 color rgbf <0.7843,0.8824,0.7569,0.0000>]
  [0.10714 color rgbf <0.8627,0.9216,0.7843,0.0000>]
  [0.14286 color rgbf <0.8627,0.9216,0.7843,0.0000>]
  [0.14286 color rgbf <1.0000,0.9882,0.8314,0.0000>]
  [0.21429 color rgbf <1.0000,0.9882,0.8314,0.0000>]
  [0.21429 color rgbf <1.0000,0.9882,0.7843,0.0000>]
  [0.28571 color rgbf <1.0000,0.9882,0.7843,0.0000>]
  [0.28571 color rgbf <1.0000,0.9255,0.7686,0.0000>]
  [0.35714 color rgbf <1.0000,0.9255,0.7686,0.0000>]
  [0.35714 color rgbf <1.0000,0.8667,0.6863,0.0000>]
  [0.42857 color rgbf <1.0000,0.8667,0.6863,0.0000>]
  [0.42857 color rgbf <0.9882,0.8118,0.6196,0.0000>]
  [0.57143 color rgbf <0.9882,0.8118,0.6196,0.0000>]
  [0.57143 color rgbf <0.9843,0.7608,0.5569,0.0000>]
  [0.71429 color rgbf <0.9843,0.7608,0.5569,0.0000>]
  [0.71429 color rgbf <0.8941,0.9098,0.9569,0.0000>]
  [0.85714 color rgbf <0.8941,0.9098,0.9569,0.0000>]
  [0.85714 color rgbf <0.8392,0.8824,0.9490,0.0000>]
  [1.00000 color rgbf <0.8392,0.8824,0.9490,0.0000>]
}