// cpt-city: km/blue-yellow-d12 (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_d12 =
color_map {
  [0.00000 color rgbf <0.0784,0.0784,0.9098,0.0000>]
  [0.08333 color rgbf <0.0784,0.0784,0.9098,0.0000>]
  [0.08333 color rgbf <0.1529,0.1529,0.8353,0.0000>]
  [0.16667 color rgbf <0.1529,0.1529,0.8353,0.0000>]
  [0.16667 color rgbf <0.2275,0.2275,0.7608,0.0000>]
  [0.25000 color rgbf <0.2275,0.2275,0.7608,0.0000>]
  [0.25000 color rgbf <0.3059,0.3059,0.6824,0.0000>]
  [0.33333 color rgbf <0.3059,0.3059,0.6824,0.0000>]
  [0.33333 color rgbf <0.3804,0.3804,0.6078,0.0000>]
  [0.41667 color rgbf <0.3804,0.3804,0.6078,0.0000>]
  [0.41667 color rgbf <0.4549,0.4549,0.5333,0.0000>]
  [0.50000 color rgbf <0.4549,0.4549,0.5333,0.0000>]
  [0.50000 color rgbf <0.5333,0.5333,0.4549,0.0000>]
  [0.58333 color rgbf <0.5333,0.5333,0.4549,0.0000>]
  [0.58333 color rgbf <0.6078,0.6078,0.3804,0.0000>]
  [0.66667 color rgbf <0.6078,0.6078,0.3804,0.0000>]
  [0.66667 color rgbf <0.6824,0.6824,0.3059,0.0000>]
  [0.75000 color rgbf <0.6824,0.6824,0.3059,0.0000>]
  [0.75000 color rgbf <0.7608,0.7608,0.2275,0.0000>]
  [0.83333 color rgbf <0.7608,0.7608,0.2275,0.0000>]
  [0.83333 color rgbf <0.8353,0.8353,0.1529,0.0000>]
  [0.91667 color rgbf <0.8353,0.8353,0.1529,0.0000>]
  [0.91667 color rgbf <0.9098,0.9098,0.0784,0.0000>]
  [1.00000 color rgbf <0.9098,0.9098,0.0784,0.0000>]
}