// cpt-city: km/blue-yellow (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 blue_yellow =
color_map {
  [0.00000 color rgbf <0.0392,0.0392,0.9490,0.0000>]
  [0.01562 color rgbf <0.0549,0.0549,0.9373,0.0000>]
  [0.03125 color rgbf <0.0667,0.0667,0.9216,0.0000>]
  [0.04688 color rgbf <0.0824,0.0824,0.9059,0.0000>]
  [0.06250 color rgbf <0.0980,0.0980,0.8941,0.0000>]
  [0.07812 color rgbf <0.1098,0.1098,0.8784,0.0000>]
  [0.09375 color rgbf <0.1255,0.1255,0.8627,0.0000>]
  [0.10938 color rgbf <0.1412,0.1412,0.8510,0.0000>]
  [0.12500 color rgbf <0.1529,0.1529,0.8353,0.0000>]
  [0.14062 color rgbf <0.1686,0.1686,0.8235,0.0000>]
  [0.15625 color rgbf <0.1804,0.1804,0.8078,0.0000>]
  [0.17188 color rgbf <0.1961,0.1961,0.7922,0.0000>]
  [0.18750 color rgbf <0.2118,0.2118,0.7804,0.0000>]
  [0.20312 color rgbf <0.2235,0.2235,0.7647,0.0000>]
  [0.21875 color rgbf <0.2392,0.2392,0.7490,0.0000>]
  [0.23438 color rgbf <0.2549,0.2549,0.7373,0.0000>]
  [0.25000 color rgbf <0.2667,0.2667,0.7216,0.0000>]
  [0.26562 color rgbf <0.2824,0.2824,0.7098,0.0000>]
  [0.28125 color rgbf <0.2941,0.2941,0.6941,0.0000>]
  [0.29688 color rgbf <0.3098,0.3098,0.6784,0.0000>]
  [0.31250 color rgbf <0.3255,0.3255,0.6667,0.0000>]
  [0.32812 color rgbf <0.3373,0.3373,0.6510,0.0000>]
  [0.34375 color rgbf <0.3529,0.3529,0.6353,0.0000>]
  [0.35938 color rgbf <0.3686,0.3686,0.6235,0.0000>]
  [0.37500 color rgbf <0.3804,0.3804,0.6078,0.0000>]
  [0.39062 color rgbf <0.3961,0.3961,0.5961,0.0000>]
  [0.40625 color rgbf <0.4078,0.4078,0.5804,0.0000>]
  [0.42188 color rgbf <0.4235,0.4235,0.5647,0.0000>]
  [0.43750 color rgbf <0.4392,0.4392,0.5529,0.0000>]
  [0.45312 color rgbf <0.4510,0.4510,0.5373,0.0000>]
  [0.46875 color rgbf <0.4667,0.4667,0.5216,0.0000>]
  [0.48438 color rgbf <0.4824,0.4824,0.5098,0.0000>]
  [0.50000 color rgbf <0.4941,0.4941,0.4941,0.0000>]
  [0.51562 color rgbf <0.5098,0.5098,0.4824,0.0000>]
  [0.53125 color rgbf <0.5216,0.5216,0.4667,0.0000>]
  [0.54688 color rgbf <0.5373,0.5373,0.4510,0.0000>]
  [0.56250 color rgbf <0.5529,0.5529,0.4392,0.0000>]
  [0.57812 color rgbf <0.5647,0.5647,0.4235,0.0000>]
  [0.59375 color rgbf <0.5804,0.5804,0.4078,0.0000>]
  [0.60938 color rgbf <0.5961,0.5961,0.3961,0.0000>]
  [0.62500 color rgbf <0.6078,0.6078,0.3804,0.0000>]
  [0.64062 color rgbf <0.6235,0.6235,0.3686,0.0000>]
  [0.65625 color rgbf <0.6353,0.6353,0.3529,0.0000>]
  [0.67188 color rgbf <0.6510,0.6510,0.3373,0.0000>]
  [0.68750 color rgbf <0.6667,0.6667,0.3255,0.0000>]
  [0.70312 color rgbf <0.6784,0.6784,0.3098,0.0000>]
  [0.71875 color rgbf <0.6941,0.6941,0.2941,0.0000>]
  [0.73438 color rgbf <0.7098,0.7098,0.2824,0.0000>]
  [0.75000 color rgbf <0.7216,0.7216,0.2667,0.0000>]
  [0.76562 color rgbf <0.7373,0.7373,0.2549,0.0000>]
  [0.78125 color rgbf <0.7490,0.7490,0.2392,0.0000>]
  [0.79688 color rgbf <0.7647,0.7647,0.2235,0.0000>]
  [0.81250 color rgbf <0.7804,0.7804,0.2118,0.0000>]
  [0.82812 color rgbf <0.7922,0.7922,0.1961,0.0000>]
  [0.84375 color rgbf <0.8078,0.8078,0.1804,0.0000>]
  [0.85938 color rgbf <0.8235,0.8235,0.1686,0.0000>]
  [0.87500 color rgbf <0.8353,0.8353,0.1529,0.0000>]
  [0.89062 color rgbf <0.8510,0.8510,0.1412,0.0000>]
  [0.90625 color rgbf <0.8627,0.8627,0.1255,0.0000>]
  [0.92188 color rgbf <0.8784,0.8784,0.1098,0.0000>]
  [0.93750 color rgbf <0.8941,0.8941,0.0980,0.0000>]
  [0.95312 color rgbf <0.9059,0.9059,0.0824,0.0000>]
  [0.96875 color rgbf <0.9216,0.9216,0.0667,0.0000>]
  [0.98438 color rgbf <0.9373,0.9373,0.0549,0.0000>]
  [1.00000 color rgbf <0.9490,0.9490,0.0392,0.0000>]
}