// cpt-city: jmn/jmn-d10 (cpt)
//
// A colourmap with monotonic luminance for simultaneous colour and
// grey-scale publications.
//
// J. McNames, "An effective color scale for simultaneous color and
// gray-scale publications," in IEEE Signal Processing Magazine,
// vol. 23, no. 1, pp. 82-96, Jan. 2006,
//
// author: James McNames
// copyright: Free to use
// year: 2009
// url: https://phillips.shef.ac.uk/pub/cpt-city/jmn
#declare jmn_d10 =
color_map {
  [0.00000 color rgbf <1.0000,1.0000,1.0000,0.0000>]
  [0.10000 color rgbf <1.0000,1.0000,1.0000,0.0000>]
  [0.10000 color rgbf <0.8667,0.8039,0.9922,0.0000>]
  [0.20000 color rgbf <0.8667,0.8039,0.9922,0.0000>]
  [0.20000 color rgbf <0.6078,0.7373,0.9843,0.0000>]
  [0.30000 color rgbf <0.6078,0.7373,0.9843,0.0000>]
  [0.30000 color rgbf <0.3333,0.8314,0.8314,0.0000>]
  [0.40000 color rgbf <0.3333,0.8314,0.8314,0.0000>]
  [0.40000 color rgbf <0.2157,0.9647,0.4784,0.0000>]
  [0.50000 color rgbf <0.2157,0.9647,0.4784,0.0000>]
  [0.50000 color rgbf <0.3647,0.8549,0.1059,0.0000>]
  [0.60000 color rgbf <0.3647,0.8549,0.1059,0.0000>]
  [0.60000 color rgbf <0.4980,0.4980,0.0000,0.0000>]
  [0.70000 color rgbf <0.4980,0.4980,0.0000,0.0000>]
  [0.70000 color rgbf <0.4275,0.1804,0.0510,0.0000>]
  [0.80000 color rgbf <0.4275,0.1804,0.0510,0.0000>]
  [0.80000 color rgbf <0.2118,0.0235,0.0902,0.0000>]
  [0.90000 color rgbf <0.2118,0.0235,0.0902,0.0000>]
  [0.90000 color rgbf <0.0000,0.0000,0.0000,0.0000>]
  [1.00000 color rgbf <0.0000,0.0000,0.0000,0.0000>]
}