// cpt-city: ds9/bb (cpt)
//
// The palettes used in the DS9 astronomical data visualization tool
// by William Joye of the Smithsonian Astrophysical Observatory
//
// author: William Joye
// copyright: GPLv2
// year: 2010
// url: https://phillips.shef.ac.uk/pub/cpt-city/ds9
#declare bb =
color_map {
  [0.00000 color rgbf <0.0000,0.0000,0.0000,0.0000>]
  [0.25000 color rgbf <0.5020,0.0000,0.0000,0.0000>]
  [0.50000 color rgbf <1.0000,0.5020,0.0000,0.0000>]
  [0.75000 color rgbf <1.0000,1.0000,0.5020,0.0000>]
  [1.00000 color rgbf <1.0000,1.0000,1.0000,0.0000>]
}