// cpt-city: gacruxa/mccahon/mccahon-15 (svg)
//
// Gradients based on integer sequences and traditional Japanese
// colours, by US-based digital artist Gacruxa.
//
// author: Gacruxa
// copyright: CC BY 3.0
// year: 2014
// url: https://phillips.shef.ac.uk/pub/cpt-city/gacruxa/mccahon
#declare mccahon_15 =
color_map {
  [0.00000 color rgbf <0.7686,0.3255,0.0510,0.0000>]
  [0.03784 color rgbf <0.7804,0.3608,0.0980,0.0000>]
  [0.07568 color rgbf <0.8000,0.4118,0.1686,0.0000>]
  [0.11352 color rgbf <0.8196,0.4745,0.2549,0.0000>]
  [0.15161 color rgbf <0.8431,0.5412,0.3451,0.0000>]
  [0.18945 color rgbf <0.8667,0.6039,0.4353,0.0000>]
  [0.22730 color rgbf <0.8824,0.6549,0.5059,0.0000>]
  [0.26514 color rgbf <0.8980,0.6902,0.5569,0.0000>]
  [0.30298 color rgbf <0.9020,0.7059,0.5765,0.0000>]
  [0.30322 color rgbf <0.8980,0.6980,0.5647,0.0000>]
  [0.30371 color rgbf <0.8784,0.6392,0.4941,0.0000>]
  [0.30395 color rgbf <0.8627,0.5961,0.4392,0.0000>]
  [0.30444 color rgbf <0.8314,0.4980,0.3098,0.0000>]
  [0.30469 color rgbf <0.8118,0.4510,0.2431,0.0000>]
  [0.30493 color rgbf <0.7961,0.4039,0.1804,0.0000>]
  [0.30542 color rgbf <0.7725,0.3412,0.0824,0.0000>]
  [0.30566 color rgbf <0.7686,0.3255,0.0510,0.0000>]
  [0.31128 color rgbf <0.7686,0.3333,0.0314,0.0000>]
  [0.31665 color rgbf <0.7804,0.3608,0.0314,0.0000>]
  [0.32227 color rgbf <0.7961,0.4078,0.0392,0.0000>]
  [0.32788 color rgbf <0.8118,0.4588,0.0588,0.0000>]
  [0.33325 color rgbf <0.8275,0.5098,0.0784,0.0000>]
  [0.33887 color rgbf <0.8392,0.5529,0.1020,0.0000>]
  [0.34424 color rgbf <0.8431,0.5765,0.1137,0.0000>]
  [0.34985 color rgbf <0.8392,0.5765,0.1176,0.0000>]
  [0.36768 color rgbf <0.8196,0.5412,0.1098,0.0000>]
  [0.38574 color rgbf <0.7843,0.4784,0.0941,0.0000>]
  [0.40356 color rgbf <0.7451,0.3922,0.0784,0.0000>]
  [0.42163 color rgbf <0.6980,0.3020,0.0549,0.0000>]
  [0.43945 color rgbf <0.6549,0.2118,0.0353,0.0000>]
  [0.45727 color rgbf <0.6157,0.1333,0.0157,0.0000>]
  [0.47534 color rgbf <0.5882,0.0784,0.0039,0.0000>]
  [0.49316 color rgbf <0.5804,0.0588,0.0000,0.0000>]
  [0.49341 color rgbf <0.5843,0.0706,0.0039,0.0000>]
  [0.49390 color rgbf <0.6196,0.1412,0.0196,0.0000>]
  [0.49414 color rgbf <0.6471,0.1922,0.0314,0.0000>]
  [0.49463 color rgbf <0.7098,0.3176,0.0588,0.0000>]
  [0.49487 color rgbf <0.7412,0.3843,0.0745,0.0000>]
  [0.49512 color rgbf <0.7725,0.4431,0.0863,0.0000>]
  [0.49560 color rgbf <0.8235,0.5451,0.1098,0.0000>]
  [0.49585 color rgbf <0.8392,0.5765,0.1176,0.0000>]
  [0.50928 color rgbf <0.8588,0.6039,0.1216,0.0000>]
  [0.52270 color rgbf <0.8784,0.6275,0.1255,0.0000>]
  [0.53613 color rgbf <0.8941,0.6392,0.1255,0.0000>]
  [0.54956 color rgbf <0.9059,0.6431,0.1216,0.0000>]
  [0.56299 color rgbf <0.9137,0.6392,0.1176,0.0000>]
  [0.57642 color rgbf <0.9059,0.6275,0.1176,0.0000>]
  [0.58984 color rgbf <0.8824,0.6078,0.1176,0.0000>]
  [0.59790 color rgbf <0.8549,0.5882,0.1176,0.0000>]
  [0.60059 color rgbf <0.8471,0.5804,0.1176,1.0000>]
  [0.60327 color rgbf <0.8392,0.5765,0.1176,1.0000>]
  [0.61060 color rgbf <0.7686,0.5294,0.1216,1.0000>]
  [0.61768 color rgbf <0.6706,0.4627,0.1294,1.0000>]
  [0.62500 color rgbf <0.5490,0.3804,0.1373,1.0000>]
  [0.63232 color rgbf <0.4157,0.2941,0.1451,1.0000>]
  [0.63940 color rgbf <0.2902,0.2118,0.1529,1.0000>]
  [0.64673 color rgbf <0.1686,0.1294,0.1608,1.0000>]
  [0.65064 color rgbf <0.1137,0.0902,0.1647,1.0000>]
  [0.65381 color rgbf <0.0706,0.0627,0.1686,0.3810>]
  [0.65576 color rgbf <0.0510,0.0471,0.1686,0.0000>]
  [0.66113 color rgbf <0.0000,0.0157,0.1725,0.0003>]
  [0.70361 color rgbf <0.0000,0.0000,0.1765,0.0028>]
  [0.74585 color rgbf <0.0000,0.0000,0.1765,0.0052>]
  [0.78833 color rgbf <0.0000,0.0000,0.1765,0.0077>]
  [0.83057 color rgbf <0.0000,0.0000,0.1765,0.0102>]
  [0.87305 color rgbf <0.0000,0.0000,0.1765,0.0126>]
  [0.91528 color rgbf <0.0000,0.0039,0.1725,0.0151>]
  [0.95776 color rgbf <0.0000,0.0118,0.1725,0.0175>]
  [1.00000 color rgbf <0.0000,0.0157,0.1725,0.0200>]
}