# prism color map (from Matlab) (red-yellow-green-blue-purple-<repeat>-green)
   1.0000000e+00   0.0000000e+00   0.0000000e+00   1
   1.0000000e+00   5.0000000e-01   0.0000000e+00   1
   1.0000000e+00   1.0000000e+00   0.0000000e+00   1
   0.0000000e+00   1.0000000e+00   0.0000000e+00   1
   0.0000000e+00   0.0000000e+00   1.0000000e+00   1
   6.6666667e-01   0.0000000e+00   1.0000000e+00   1
   1.0000000e+00   0.0000000e+00   0.0000000e+00   1
   1.0000000e+00   5.0000000e-01   0.0000000e+00   1
   1.0000000e+00   1.0000000e+00   0.0000000e+00   1
   0.0000000e+00   1.0000000e+00   0.0000000e+00   1
   0.0000000e+00   0.0000000e+00   1.0000000e+00   1
   6.6666667e-01   0.0000000e+00   1.0000000e+00   1
   1.0000000e+00   0.0000000e+00   0.0000000e+00   1
   1.0000000e+00   5.0000000e-01   0.0000000e+00   1
   1.0000000e+00   1.0000000e+00   0.0000000e+00   1
   0.0000000e+00   1.0000000e+00   0.0000000e+00   1
