Gwyddion resource GwyGradient
0 0 0 0 1
0.125 1 0 0 1
0.25 1 1 0 1
0.375 0 1 1 1
0.5 1 0 1 1
0.625 0 1 0 1
0.75 0 0 1 1
0.875 0.5 0.5 0.5 1
1 1 1 1 1
