// cpt-city: jjg/polarity/RdYlBu (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 RdYlBu =
color_map {
  [0.00000 color rgbf <0.6471,0.0000,0.1490,0.0000>]
  [0.12500 color rgbf <0.8431,0.1882,0.1529,0.0000>]
  [0.25000 color rgbf <0.9569,0.4275,0.2627,0.0000>]
  [0.37500 color rgbf <0.9922,0.6824,0.3804,0.0000>]
  [0.50000 color rgbf <0.9961,0.8784,0.5647,0.0000>]
  [0.50000 color rgbf <0.8784,0.9529,0.9725,0.0000>]
  [0.62500 color rgbf <0.6706,0.8510,0.9137,0.0000>]
  [0.75000 color rgbf <0.4549,0.6784,0.8196,0.0000>]
  [0.87500 color rgbf <0.2706,0.4588,0.7059,0.0000>]
  [1.00000 color rgbf <0.1922,0.2118,0.5843,0.0000>]
}