// cpt-city: gacruxa/zurzach/zurzach-13 (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/zurzach
#declare zurzach_13 =
color_map {
  [0.00000 color rgbf <0.7412,0.5647,0.5294,0.0000>]
  [0.04517 color rgbf <0.7490,0.5882,0.5490,0.0000>]
  [0.09033 color rgbf <0.7608,0.6235,0.5725,0.0000>]
  [0.13525 color rgbf <0.7765,0.6627,0.6039,0.0000>]
  [0.18042 color rgbf <0.7922,0.7059,0.6353,0.0000>]
  [0.22559 color rgbf <0.8118,0.7490,0.6667,0.0000>]
  [0.27075 color rgbf <0.8275,0.7882,0.6980,0.0000>]
  [0.31567 color rgbf <0.8392,0.8235,0.7216,0.0000>]
  [0.36084 color rgbf <0.8471,0.8471,0.7412,0.0000>]
  [0.39453 color rgbf <0.8510,0.8627,0.7529,0.0000>]
  [0.42847 color rgbf <0.8588,0.8745,0.7608,0.0000>]
  [0.46216 color rgbf <0.8588,0.8784,0.7647,0.0000>]
  [0.49585 color rgbf <0.8588,0.8824,0.7686,0.0000>]
  [0.52954 color rgbf <0.8588,0.8784,0.7647,0.0000>]
  [0.56348 color rgbf <0.8588,0.8745,0.7608,0.0000>]
  [0.59717 color rgbf <0.8510,0.8627,0.7529,0.0000>]
  [0.63086 color rgbf <0.8471,0.8471,0.7412,0.0000>]
  [0.67700 color rgbf <0.8392,0.8235,0.7216,0.0000>]
  [0.72314 color rgbf <0.8275,0.7882,0.6980,0.0000>]
  [0.76929 color rgbf <0.8118,0.7490,0.6667,0.0000>]
  [0.81543 color rgbf <0.7922,0.7059,0.6353,0.0000>]
  [0.86157 color rgbf <0.7765,0.6627,0.6039,0.0000>]
  [0.90772 color rgbf <0.7608,0.6235,0.5725,0.0000>]
  [0.95386 color rgbf <0.7490,0.5882,0.5490,0.0000>]
  [1.00000 color rgbf <0.7412,0.5647,0.5294,0.0000>]
}