#ifndef (col_density)
   #declare col_density=1.0;
#end

#declare ground_map =
color_map {
[ 0.0046 color rgb col_density*< 0.6235, 0.5529, 0.5922 > ]
[ 0.0115 color rgb col_density*< 0.6157, 0.5451, 0.5804 > ]
[ 0.0323 color rgb col_density*< 0.5961, 0.5216, 0.5569 > ]
[ 0.0392 color rgb col_density*< 0.5922, 0.5176, 0.5529 > ]
[ 0.0530 color rgb col_density*< 0.6275, 0.5569, 0.5961 > ]
[ 0.0599 color rgb col_density*< 0.6078, 0.5294, 0.5765 > ]
[ 0.0668 color rgb col_density*< 0.5922, 0.5137, 0.5529 > ]
[ 0.0737 color rgb col_density*< 0.5882, 0.5020, 0.5373 > ]
[ 0.0876 color rgb col_density*< 0.5647, 0.4745, 0.5098 > ]
[ 0.1014 color rgb col_density*< 0.5961, 0.4941, 0.5137 > ]
[ 0.1429 color rgb col_density*< 0.5608, 0.4706, 0.4784 > ]
[ 0.1636 color rgb col_density*< 0.5412, 0.4392, 0.4431 > ]
[ 0.1705 color rgb col_density*< 0.5333, 0.4353, 0.4353 > ]
[ 0.1843 color rgb col_density*< 0.5098, 0.4078, 0.4118 > ]
[ 0.1982 color rgb col_density*< 0.5608, 0.4471, 0.4471 > ]
[ 0.2051 color rgb col_density*< 0.5490, 0.4392, 0.4314 > ]
[ 0.2120 color rgb col_density*< 0.5373, 0.4235, 0.4157 > ]
[ 0.2327 color rgb col_density*< 0.5294, 0.4196, 0.4118 > ]
[ 0.2604 color rgb col_density*< 0.5255, 0.4039, 0.4000 > ]
[ 0.2811 color rgb col_density*< 0.4980, 0.3608, 0.3608 > ]
[ 0.2880 color rgb col_density*< 0.4941, 0.3412, 0.3490 > ]
[ 0.3710 color rgb col_density*< 0.4902, 0.3333, 0.3412 > ]
[ 0.3779 color rgb col_density*< 0.4627, 0.2902, 0.2863 > ]
[ 0.4401 color rgb col_density*< 0.4471, 0.2784, 0.2706 > ]
[ 0.4816 color rgb col_density*< 0.4784, 0.2824, 0.2667 > ]
[ 0.5300 color rgb col_density*< 0.5020, 0.2902, 0.2745 > ]
[ 0.5369 color rgb col_density*< 0.5255, 0.2980, 0.2824 > ]
[ 0.5438 color rgb col_density*< 0.5529, 0.3176, 0.3098 > ]
[ 0.5507 color rgb col_density*< 0.5490, 0.3059, 0.2980 > ]
[ 0.5576 color rgb col_density*< 0.5333, 0.2980, 0.2941 > ]
[ 0.5645 color rgb col_density*< 0.5176, 0.2941, 0.2863 > ]
[ 0.5783 color rgb col_density*< 0.5098, 0.3020, 0.2902 > ]
[ 0.5853 color rgb col_density*< 0.4902, 0.3020, 0.2824 > ]
[ 0.5922 color rgb col_density*< 0.4745, 0.2902, 0.2706 > ]
[ 0.5991 color rgb col_density*< 0.4588, 0.2784, 0.2588 > ]
[ 0.6198 color rgb col_density*< 0.4510, 0.2706, 0.2510 > ]
[ 0.6544 color rgb col_density*< 0.4745, 0.2824, 0.2667 > ]
[ 0.6959 color rgb col_density*< 0.4706, 0.2902, 0.2706 > ]
[ 0.7235 color rgb col_density*< 0.4667, 0.2824, 0.2667 > ]
[ 0.7373 color rgb col_density*< 0.4980, 0.3059, 0.2902 > ]
[ 0.7442 color rgb col_density*< 0.4863, 0.2941, 0.2784 > ]
[ 0.7512 color rgb col_density*< 0.4667, 0.2745, 0.2588 > ]
[ 0.7857 color rgb col_density*< 0.4588, 0.2667, 0.2510 > ]
[ 0.8134 color rgb col_density*< 0.4549, 0.2745, 0.2549 > ]
[ 0.8203 color rgb col_density*< 0.4353, 0.2627, 0.2471 > ]
[ 0.8272 color rgb col_density*< 0.4196, 0.2549, 0.2353 > ]
[ 0.8479 color rgb col_density*< 0.4078, 0.2510, 0.2314 > ]
[ 0.8548 color rgb col_density*< 0.4000, 0.2588, 0.2353 > ]
[ 0.8687 color rgb col_density*< 0.3843, 0.2510, 0.2314 > ]
[ 0.8756 color rgb col_density*< 0.4157, 0.2667, 0.2471 > ]
[ 0.8894 color rgb col_density*< 0.4118, 0.2627, 0.2353 > ]
[ 0.8963 color rgb col_density*< 0.4588, 0.2980, 0.2784 > ]
[ 0.9101 color rgb col_density*< 0.4863, 0.3216, 0.3020 > ]
[ 0.9171 color rgb col_density*< 0.4588, 0.2941, 0.2745 > ]
[ 0.9240 color rgb col_density*< 0.4314, 0.2667, 0.2471 > ]
[ 0.9585 color rgb col_density*< 0.4275, 0.2667, 0.2471 > ]
[ 0.9654 color rgb col_density*< 0.4196, 0.2980, 0.2627 > ]
[ 0.9862 color rgb col_density*< 0.4039, 0.2902, 0.2549 > ]
[ 1.0000 color rgb col_density*< 0.4275, 0.2667, 0.2235 > ]
}