#include "colors.inc"
#declare r_violet1 = colour rgbf<1.0, 0.5, 1.0, 0.8>
#declare r_violet2 = colour rgbf<1.0, 0.5, 1.0, 0.8>
#declare r_indigo  = colour rgbf<0.5, 0.5, 1.0, 0.8>
#declare r_blue    = colour rgbf<0.2, 0.2, 1.0, 0.8>
#declare r_cyan    = colour rgbf<0.2, 1.0, 1.0, 0.8>
#declare r_green   = colour rgbf<0.2, 1.0, 0.2, 0.8>
#declare r_yellow  = colour rgbf<1.0, 1.0, 0.2, 0.8>
#declare r_orange  = colour rgbf<1.0, 0.5, 0.2, 0.8>
#declare r_red1    = colour rgbf<1.0, 0.2, 0.2, 0.8>
#declare r_red2    = colour rgbf<1.0, 0.2, 0.2, 0.8>

background { color White }

camera {
  location <1, 1.5, -2>
  look_at 0
  angle 57
}

light_source{ <5, 5, -5> White }
//light_source{ 0 White }

sphere { 0, 1
 pigment {  gradient x
    colour_map {
      [0.000  colour r_violet1] [0.100  colour r_violet2]
      [0.214  colour r_indigo]  [0.328  colour r_blue]
      [0.442  colour r_cyan]    [0.556  colour r_green]
      [0.670  colour r_yellow]  [0.784  colour r_orange]
      [0.900  colour r_red1]
    }
 }
 rotate <0, clock*360, 0>
}



/*
plane {y, -1
 pigment {checker color Black color Grey }
 finish {reflection .9}
}
*/