// cpt-city: gacruxa/zurzach/zurzach-20 (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_20 =
color_map {
  [0.00000 color rgbf <0.7412,0.6353,0.5294,0.0000>]
  [0.01099 color rgbf <0.8471,0.8471,0.7412,0.0000>]
  [0.03296 color rgbf <0.8471,0.8471,0.7412,0.0000>]
  [0.03857 color rgbf <0.7412,0.7412,0.6353,0.0000>]
  [0.10474 color rgbf <0.7412,0.7412,0.6353,0.0000>]
  [0.11304 color rgbf <0.8471,0.8471,0.7412,0.0000>]
  [0.14331 color rgbf <0.8471,0.8471,0.7412,0.0000>]
  [0.14868 color rgbf <0.5294,0.7412,0.5294,0.0000>]
  [0.19556 color rgbf <0.5294,0.7412,0.5294,0.0000>]
  [0.19824 color rgbf <0.8471,0.8471,0.7412,0.0000>]
  [0.22314 color rgbf <0.8471,0.8471,0.7412,0.0000>]
  [1.00000 color rgbf <0.7412,0.5647,0.5294,0.0000>]
}