// Generated with: ./colmap 80 80 80 10 10 0 > maprock_brownmud.inc
#declare rock_map = 
color_map {
[0.004 color 0.256*rock_color + <0.086,0.077,0.000>]
[0.016 color 0.832*rock_color + <0.086,0.092,0.000>]
[0.029 color 0.496*rock_color + <0.027,0.090,0.000>]
[0.047 color 0.712*rock_color + <0.040,0.026,0.000>]
[0.052 color 0.344*rock_color + <0.068,0.067,0.000>]
[0.068 color 0.720*rock_color + <0.062,0.023,0.000>]
[0.084 color 0.448*rock_color + <0.002,0.022,0.000>]
[0.089 color 0.664*rock_color + <0.093,0.056,0.000>]
[0.102 color 0.328*rock_color + <0.073,0.021,0.000>]
[0.118 color 0.440*rock_color + <0.098,0.024,0.000>]
[0.129 color 0.552*rock_color + <0.026,0.091,0.000>]
[0.146 color 0.352*rock_color + <0.062,0.070,0.000>]
[0.153 color 0.712*rock_color + <0.025,0.084,0.000>]
[0.168 color 0.544*rock_color + <0.046,0.029,0.000>]
[0.176 color 0.888*rock_color + <0.095,0.082,0.000>]
[0.191 color 0.600*rock_color + <0.034,0.064,0.000>]
[0.201 color 0.296*rock_color + <0.008,0.076,0.000>]
[0.218 color 0.208*rock_color + <0.003,0.051,0.000>]
[0.234 color 0.688*rock_color + <0.060,0.076,0.000>]
[0.238 color 0.688*rock_color + <0.026,0.086,0.000>]
[0.258 color 0.464*rock_color + <0.070,0.034,0.000>]
[0.269 color 0.264*rock_color + <0.097,0.002,0.000>]
[0.282 color 0.312*rock_color + <0.056,0.001,0.000>]
[0.292 color 0.848*rock_color + <0.065,0.089,0.000>]
[0.304 color 0.224*rock_color + <0.029,0.031,0.000>]
[0.320 color 0.784*rock_color + <0.081,0.075,0.000>]
[0.331 color 0.312*rock_color + <0.056,0.097,0.000>]
[0.347 color 0.808*rock_color + <0.006,0.083,0.000>]
[0.355 color 0.976*rock_color + <0.071,0.032,0.000>]
[0.363 color 0.880*rock_color + <0.070,0.068,0.000>]
[0.378 color 0.856*rock_color + <0.049,0.096,0.000>]
[0.390 color 0.560*rock_color + <0.046,0.051,0.000>]
[0.404 color 0.672*rock_color + <0.088,0.064,0.000>]
[0.416 color 0.488*rock_color + <0.093,0.000,0.000>]
[0.426 color 0.656*rock_color + <0.014,0.087,0.000>]
[0.442 color 0.712*rock_color + <0.027,0.065,0.000>]
[0.454 color 0.400*rock_color + <0.051,0.037,0.000>]
[0.467 color 0.240*rock_color + <0.074,0.021,0.000>]
[0.475 color 0.856*rock_color + <0.037,0.035,0.000>]
[0.492 color 0.768*rock_color + <0.043,0.011,0.000>]
[0.508 color 0.896*rock_color + <0.004,0.043,0.000>]
[0.518 color 0.856*rock_color + <0.006,0.040,0.000>]
[0.526 color 0.864*rock_color + <0.088,0.069,0.000>]
[0.547 color 0.336*rock_color + <0.024,0.043,0.000>]
[0.555 color 0.648*rock_color + <0.099,0.072,0.000>]
[0.568 color 0.312*rock_color + <0.005,0.039,0.000>]
[0.582 color 0.224*rock_color + <0.082,0.042,0.000>]
[0.593 color 0.912*rock_color + <0.055,0.004,0.000>]
[0.606 color 0.632*rock_color + <0.028,0.099,0.000>]
[0.618 color 0.920*rock_color + <0.040,0.022,0.000>]
[0.631 color 0.376*rock_color + <0.001,0.061,0.000>]
[0.641 color 0.792*rock_color + <0.020,0.036,0.000>]
[0.655 color 0.344*rock_color + <0.065,0.008,0.000>]
[0.665 color 0.808*rock_color + <0.024,0.037,0.000>]
[0.681 color 0.368*rock_color + <0.036,0.052,0.000>]
[0.693 color 0.752*rock_color + <0.068,0.071,0.000>]
[0.709 color 0.520*rock_color + <0.030,0.033,0.000>]
[0.714 color 0.232*rock_color + <0.099,0.081,0.000>]
[0.735 color 0.280*rock_color + <0.073,0.013,0.000>]
[0.738 color 0.680*rock_color + <0.026,0.066,0.000>]
[0.751 color 0.712*rock_color + <0.084,0.076,0.000>]
[0.764 color 0.856*rock_color + <0.045,0.056,0.000>]
[0.784 color 0.528*rock_color + <0.012,0.048,0.000>]
[0.788 color 0.304*rock_color + <0.036,0.010,0.000>]
[0.802 color 0.832*rock_color + <0.001,0.013,0.000>]
[0.815 color 0.968*rock_color + <0.019,0.099,0.000>]
[0.834 color 0.960*rock_color + <0.011,0.040,0.000>]
[0.840 color 0.536*rock_color + <0.027,0.050,0.000>]
[0.859 color 0.232*rock_color + <0.024,0.022,0.000>]
[0.863 color 0.424*rock_color + <0.030,0.084,0.000>]
[0.882 color 0.824*rock_color + <0.050,0.025,0.000>]
[0.890 color 0.896*rock_color + <0.040,0.042,0.000>]
[0.903 color 0.928*rock_color + <0.090,0.024,0.000>]
[0.918 color 0.560*rock_color + <0.019,0.036,0.000>]
[0.935 color 0.416*rock_color + <0.004,0.079,0.000>]
[0.945 color 0.664*rock_color + <0.050,0.055,0.000>]
[0.956 color 0.832*rock_color + <0.084,0.093,0.000>]
[0.968 color 0.568*rock_color + <0.004,0.013,0.000>]
[0.978 color 0.984*rock_color + <0.059,0.044,0.000>]
[0.993 color 0.456*rock_color + <0.084,0.021,0.000>]
}