// cpt-city: km/blue-yellow-d13 (cpt)
//
// Diverging Color Maps for Scientific Visualization, Kenneth
// Moreland. ISVC '09: Proceedings of the 5th International
// Symposium on Advances in Visual Computing: Part II pp, 92-103
//
// author: Kenneth Moreland
// copyright: Public domain
// year: 2012
// url: https://phillips.shef.ac.uk/pub/cpt-city/km
#declare blue_yellow_d13 =
color_map {
  [0.00000 color rgbf <0.0745,0.0745,0.9137,0.0000>]
  [0.07692 color rgbf <0.0745,0.0745,0.9137,0.0000>]
  [0.07692 color rgbf <0.1451,0.1451,0.8431,0.0000>]
  [0.15385 color rgbf <0.1451,0.1451,0.8431,0.0000>]
  [0.15385 color rgbf <0.2157,0.2157,0.7765,0.0000>]
  [0.23077 color rgbf <0.2157,0.2157,0.7765,0.0000>]
  [0.23077 color rgbf <0.2863,0.2863,0.7059,0.0000>]
  [0.30769 color rgbf <0.2863,0.2863,0.7059,0.0000>]
  [0.30769 color rgbf <0.3569,0.3569,0.6353,0.0000>]
  [0.38461 color rgbf <0.3569,0.3569,0.6353,0.0000>]
  [0.38461 color rgbf <0.4235,0.4235,0.5647,0.0000>]
  [0.46154 color rgbf <0.4235,0.4235,0.5647,0.0000>]
  [0.46154 color rgbf <0.4941,0.4941,0.4941,0.0000>]
  [0.53846 color rgbf <0.4941,0.4941,0.4941,0.0000>]
  [0.53846 color rgbf <0.5647,0.5647,0.4235,0.0000>]
  [0.61538 color rgbf <0.5647,0.5647,0.4235,0.0000>]
  [0.61538 color rgbf <0.6353,0.6353,0.3569,0.0000>]
  [0.69231 color rgbf <0.6353,0.6353,0.3569,0.0000>]
  [0.69231 color rgbf <0.7059,0.7059,0.2863,0.0000>]
  [0.76923 color rgbf <0.7059,0.7059,0.2863,0.0000>]
  [0.76923 color rgbf <0.7765,0.7765,0.2157,0.0000>]
  [0.84615 color rgbf <0.7765,0.7765,0.2157,0.0000>]
  [0.84615 color rgbf <0.8431,0.8431,0.1451,0.0000>]
  [0.92308 color rgbf <0.8431,0.8431,0.1451,0.0000>]
  [0.92308 color rgbf <0.9137,0.9137,0.0745,0.0000>]
  [1.00000 color rgbf <0.9137,0.9137,0.0745,0.0000>]
}