// cpt-city: km/purple-orange-d12 (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 purple_orange_d12 =
color_map {
  [0.00000 color rgbf <0.5020,0.3412,0.6510,0.0000>]
  [0.08333 color rgbf <0.5020,0.3412,0.6510,0.0000>]
  [0.08333 color rgbf <0.6314,0.4118,0.6824,0.0000>]
  [0.16667 color rgbf <0.6314,0.4118,0.6824,0.0000>]
  [0.16667 color rgbf <0.7451,0.4941,0.7137,0.0000>]
  [0.25000 color rgbf <0.7451,0.4941,0.7137,0.0000>]
  [0.25000 color rgbf <0.8314,0.5922,0.7490,0.0000>]
  [0.33333 color rgbf <0.8314,0.5922,0.7490,0.0000>]
  [0.33333 color rgbf <0.8824,0.7020,0.7882,0.0000>]
  [0.41667 color rgbf <0.8824,0.7020,0.7882,0.0000>]
  [0.41667 color rgbf <0.8902,0.8157,0.8431,0.0000>]
  [0.50000 color rgbf <0.8902,0.8157,0.8431,0.0000>]
  [0.50000 color rgbf <0.9137,0.8627,0.7804,0.0000>]
  [0.58333 color rgbf <0.9137,0.8627,0.7804,0.0000>]
  [0.58333 color rgbf <0.9647,0.8078,0.5961,0.0000>]
  [0.66667 color rgbf <0.9647,0.8078,0.5961,0.0000>]
  [0.66667 color rgbf <0.9765,0.7255,0.4235,0.0000>]
  [0.75000 color rgbf <0.9765,0.7255,0.4235,0.0000>]
  [0.75000 color rgbf <0.9569,0.6235,0.2745,0.0000>]
  [0.83333 color rgbf <0.9569,0.6235,0.2745,0.0000>]
  [0.83333 color rgbf <0.8980,0.5098,0.1608,0.0000>]
  [0.91667 color rgbf <0.8980,0.5098,0.1608,0.0000>]
  [0.91667 color rgbf <0.8118,0.3922,0.0784,0.0000>]
  [1.00000 color rgbf <0.8118,0.3922,0.0784,0.0000>]
}