// cpt-city: pm/f-33-13-10 (cpt)
//
// Various gradients from Gnuplot: the original default pm3d
// colour gradient by Petr Mikulík from Masaryk University,
// nice rgb schemes listed in “help palette rgbformulae”
// and gradients from the pm3dcolors.dem demo script
//
// author: Petr Mikulik
// copyright: GPLv2
// year: 2006
// url: https://phillips.shef.ac.uk/pub/cpt-city/pm
#declare f_33_13_10 =
color_map {
  [0.00000 color rgbf <0.5020,0.0000,1.0000,0.0000>]
  [0.01587 color rgbf <0.4667,0.0510,1.0000,0.0000>]
  [0.03175 color rgbf <0.4353,0.0980,1.0000,0.0000>]
  [0.04762 color rgbf <0.4039,0.1490,0.9961,0.0000>]
  [0.06349 color rgbf <0.3725,0.2000,0.9961,0.0000>]
  [0.07936 color rgbf <0.3412,0.2471,0.9922,0.0000>]
  [0.09524 color rgbf <0.3098,0.2941,0.9882,0.0000>]
  [0.11111 color rgbf <0.2784,0.3412,0.9843,0.0000>]
  [0.12698 color rgbf <0.2471,0.3882,0.9804,0.0000>]
  [0.14286 color rgbf <0.2157,0.4353,0.9765,0.0000>]
  [0.15873 color rgbf <0.1843,0.4784,0.9686,0.0000>]
  [0.17460 color rgbf <0.1490,0.5216,0.9608,0.0000>]
  [0.19048 color rgbf <0.1176,0.5647,0.9569,0.0000>]
  [0.20635 color rgbf <0.0863,0.6039,0.9490,0.0000>]
  [0.22222 color rgbf <0.0549,0.6431,0.9412,0.0000>]
  [0.23810 color rgbf <0.0235,0.6784,0.9294,0.0000>]
  [0.25397 color rgbf <0.0078,0.7176,0.9216,0.0000>]
  [0.26984 color rgbf <0.0392,0.7490,0.9098,0.0000>]
  [0.28571 color rgbf <0.0706,0.7804,0.9020,0.0000>]
  [0.30159 color rgbf <0.1020,0.8118,0.8902,0.0000>]
  [0.31746 color rgbf <0.1333,0.8392,0.8784,0.0000>]
  [0.33333 color rgbf <0.1647,0.8667,0.8667,0.0000>]
  [0.34921 color rgbf <0.2000,0.8902,0.8549,0.0000>]
  [0.36508 color rgbf <0.2314,0.9098,0.8392,0.0000>]
  [0.38095 color rgbf <0.2627,0.9294,0.8275,0.0000>]
  [0.39682 color rgbf <0.2941,0.9490,0.8118,0.0000>]
  [0.41270 color rgbf <0.3255,0.9608,0.7961,0.0000>]
  [0.42857 color rgbf <0.3569,0.9765,0.7804,0.0000>]
  [0.44444 color rgbf <0.3882,0.9843,0.7647,0.0000>]
  [0.46032 color rgbf <0.4196,0.9922,0.7490,0.0000>]
  [0.47619 color rgbf <0.4510,0.9961,0.7333,0.0000>]
  [0.49206 color rgbf <0.4824,1.0000,0.7176,0.0000>]
  [0.50794 color rgbf <0.5176,1.0000,0.6980,0.0000>]
  [0.52381 color rgbf <0.5490,0.9961,0.6784,0.0000>]
  [0.53968 color rgbf <0.5804,0.9922,0.6627,0.0000>]
  [0.55556 color rgbf <0.6118,0.9843,0.6431,0.0000>]
  [0.57143 color rgbf <0.6431,0.9765,0.6235,0.0000>]
  [0.58730 color rgbf <0.6745,0.9608,0.6039,0.0000>]
  [0.60318 color rgbf <0.7059,0.9490,0.5843,0.0000>]
  [0.61905 color rgbf <0.7373,0.9294,0.5647,0.0000>]
  [0.63492 color rgbf <0.7686,0.9098,0.5412,0.0000>]
  [0.65079 color rgbf <0.8000,0.8902,0.5216,0.0000>]
  [0.66667 color rgbf <0.8314,0.8667,0.5020,0.0000>]
  [0.68254 color rgbf <0.8667,0.8392,0.4784,0.0000>]
  [0.69841 color rgbf <0.8980,0.8118,0.4549,0.0000>]
  [0.71429 color rgbf <0.9294,0.7804,0.4353,0.0000>]
  [0.73016 color rgbf <0.9608,0.7490,0.4118,0.0000>]
  [0.74603 color rgbf <0.9922,0.7176,0.3882,0.0000>]
  [0.76191 color rgbf <1.0000,0.6784,0.3647,0.0000>]
  [0.77778 color rgbf <1.0000,0.6431,0.3412,0.0000>]
  [0.79365 color rgbf <1.0000,0.6039,0.3176,0.0000>]
  [0.80952 color rgbf <1.0000,0.5647,0.2941,0.0000>]
  [0.82540 color rgbf <1.0000,0.5216,0.2706,0.0000>]
  [0.84127 color rgbf <1.0000,0.4784,0.2471,0.0000>]
  [0.85714 color rgbf <1.0000,0.4353,0.2235,0.0000>]
  [0.87302 color rgbf <1.0000,0.3882,0.2000,0.0000>]
  [0.88889 color rgbf <1.0000,0.3412,0.1725,0.0000>]
  [0.90476 color rgbf <1.0000,0.2941,0.1490,0.0000>]
  [0.92064 color rgbf <1.0000,0.2471,0.1255,0.0000>]
  [0.93651 color rgbf <1.0000,0.2000,0.0980,0.0000>]
  [0.95238 color rgbf <1.0000,0.1490,0.0745,0.0000>]
  [0.96825 color rgbf <1.0000,0.0980,0.0510,0.0000>]
  [0.98413 color rgbf <1.0000,0.0510,0.0235,0.0000>]
  [1.00000 color rgbf <1.0000,0.0000,0.0000,0.0000>]
}