// cpt-city: jjg/misc/virus (cpt)
//
// author: J.J. Green
// copyright: Public domain
// year: 2004
// url: https://phillips.shef.ac.uk/pub/cpt-city/jjg/misc
#declare virus =
color_map {
  [0.00000 color rgbf <0.0000,0.0000,0.0235,0.0000>]
  [0.12500 color rgbf <0.0000,0.0510,0.2941,0.0000>]
  [0.25000 color rgbf <0.0000,0.3922,0.3922,0.0000>]
  [0.37500 color rgbf <0.0000,0.5804,0.1647,0.0000>]
  [0.50000 color rgbf <0.4392,0.4039,0.0000,0.0000>]
  [0.62500 color rgbf <0.8118,0.1373,0.0000,0.0000>]
  [0.75000 color rgbf <0.8784,0.4392,0.0000,0.0000>]
  [0.87500 color rgbf <0.9373,0.7020,0.0000,0.0000>]
  [1.00000 color rgbf <0.9961,0.9804,0.0000,0.0000>]
}