// cpt-city: jjg/polarity/PuOr (cpt)
//
// Diverging gradients which are continuous except at
// the centre-point, for emphasis of the sign of the data.
// Here the colour-stops are taken from the diverging
// schemes by Cynthia Brewer.
//
// author: J.J. Green
// copyright: Apache-like
// year: 2004
// url: https://phillips.shef.ac.uk/pub/cpt-city/jjg/polarity
#declare PuOr =
color_map {
  [0.00000 color rgbf <0.4980,0.2314,0.0314,0.0000>]
  [0.12500 color rgbf <0.7020,0.3451,0.0235,0.0000>]
  [0.25000 color rgbf <0.8784,0.5098,0.0784,0.0000>]
  [0.37500 color rgbf <0.9922,0.7216,0.3882,0.0000>]
  [0.50000 color rgbf <0.9961,0.8784,0.7137,0.0000>]
  [0.50000 color rgbf <0.8471,0.8549,0.9216,0.0000>]
  [0.62500 color rgbf <0.6980,0.6706,0.8235,0.0000>]
  [0.75000 color rgbf <0.5020,0.4510,0.6745,0.0000>]
  [0.87500 color rgbf <0.3294,0.1529,0.5333,0.0000>]
  [1.00000 color rgbf <0.1765,0.0000,0.2941,0.0000>]
}