# 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