On 30/04/2015 20:28, LanuHum wrote:
> I added opportunity to load color_map from the text file.


LOL

If you want a large Colour_Map. Here is one I created for Saturn's Rings.

Keep up the good work. :-)

color_map {
   [0.004 rgbft <1.000,1.000,1.000,0.000,0.974>]
   [0.008 rgbft <0.694,0.694,1.000,0.000,0.993>]
   [0.012 rgbft <0.863,0.778,1.000,0.000,0.963>]
   [0.016 rgbft <0.821,0.821,1.000,0.000,0.988>]
   [0.020 rgbft <0.877,0.877,1.000,0.000,0.987>]
   [0.023 rgbft <1.000,1.000,1.000,0.000,0.988>]
   [0.027 rgbft <0.938,0.907,1.000,0.000,0.957>]
   [0.031 rgbft <0.907,0.907,1.000,0.000,0.934>]
   [0.035 rgbft <1.000,1.000,1.000,0.000,0.987>]
   [0.039 rgbft <0.818,0.818,1.000,0.000,0.958>]
   [0.043 rgbft <0.889,0.840,1.000,0.000,0.856>]
   [0.047 rgbft <0.887,0.887,1.000,0.000,0.854>]
   [0.051 rgbft <0.933,0.867,1.000,0.000,0.985>]
   [0.055 rgbft <0.939,0.879,1.000,0.000,0.977>]
   [0.059 rgbft <0.907,0.880,1.000,0.000,0.902>]
   [0.063 rgbft <0.926,0.877,1.000,0.000,0.939>]
   [0.066 rgbft <0.915,0.887,1.000,0.000,0.945>]
   [0.070 rgbft <0.907,0.907,1.000,0.000,0.952>]
   [0.074 rgbft <0.915,0.891,1.000,0.000,0.922>]
   [0.078 rgbft <0.935,0.882,1.000,0.000,0.929>]
   [0.082 rgbft <0.914,0.914,1.000,0.000,0.926>]
   [0.086 rgbft <0.887,0.887,1.000,0.000,0.898>]
   [0.090 rgbft <0.930,0.860,1.000,0.000,0.939>]
   [0.094 rgbft <0.908,0.874,1.000,0.000,0.894>]
   [0.098 rgbft <0.914,0.860,1.000,0.000,0.904>]
   [0.102 rgbft <0.914,0.849,1.000,0.000,0.904>]
   [0.105 rgbft <0.926,0.914,1.000,0.000,0.909>]
   [0.109 rgbft <0.932,0.887,1.000,0.000,0.881>]
   [0.113 rgbft <0.926,0.894,1.000,0.000,0.863>]
   [0.117 rgbft <0.910,0.881,1.000,0.000,0.729>]
   [0.121 rgbft <0.908,0.862,1.000,0.000,0.911>]
   [0.125 rgbft <0.914,0.849,1.000,0.000,0.920>]
   [0.129 rgbft <0.910,0.881,1.000,0.000,0.889>]
   [0.133 rgbft <0.960,0.909,1.000,0.000,0.899>]
   [0.137 rgbft <0.903,0.903,1.000,0.000,0.908>]
   [0.141 rgbft <0.908,0.851,1.000,0.000,0.883>]
   [0.145 rgbft <0.914,0.860,1.000,0.000,0.898>]
   [0.148 rgbft <0.928,0.867,1.000,0.000,0.896>]
   [0.152 rgbft <0.928,0.897,1.000,0.000,0.911>]
   [0.156 rgbft <0.897,0.867,1.000,0.000,0.931>]
   [0.160 rgbft <0.942,0.909,1.000,0.000,0.627>]
   [0.164 rgbft <0.894,0.894,1.000,0.000,0.909>]
   [0.168 rgbft <0.914,0.849,1.000,0.000,0.912>]
   [0.172 rgbft <0.929,0.882,1.000,0.000,0.733>]
   [0.176 rgbft <0.937,0.881,1.000,0.000,0.749>]
   [0.180 rgbft <0.914,0.914,1.000,0.000,0.913>]
   [0.184 rgbft <0.932,0.901,1.000,0.000,0.659>]
   [0.188 rgbft <0.882,0.882,1.000,0.000,0.951>]
   [0.191 rgbft <0.914,0.914,1.000,0.000,0.942>]
   [0.195 rgbft <0.931,0.835,1.000,0.000,0.951>]
   [0.199 rgbft <0.943,0.943,1.000,0.000,0.241>]
   [0.203 rgbft <0.920,0.907,1.000,0.000,0.969>]
   [0.207 rgbft <0.914,0.914,1.000,0.000,0.966>]
   [0.211 rgbft <0.946,0.903,1.000,0.000,0.938>]
   [0.215 rgbft <0.960,0.919,1.000,0.000,0.756>]
   [0.219 rgbft <0.939,0.891,1.000,0.000,0.908>]
   [0.223 rgbft <0.929,1.000,1.000,0.000,0.944>]
   [0.227 rgbft <0.952,0.927,1.000,0.000,0.955>]
   [0.230 rgbft <0.914,0.914,1.000,0.000,0.962>]
   [0.234 rgbft <0.963,0.931,1.000,0.000,0.749>]
   [0.238 rgbft <0.930,0.906,1.000,0.000,0.894>]
   [0.242 rgbft <0.934,0.880,1.000,0.000,0.940>]
   [0.246 rgbft <0.968,0.937,1.000,0.000,0.940>]
   [0.250 rgbft <0.932,0.907,1.000,0.000,0.912>]
   [0.254 rgbft <0.942,0.910,1.000,0.000,0.901>]
   [0.258 rgbft <0.979,0.949,1.000,0.000,0.886>]
   [0.262 rgbft <0.990,0.958,1.000,0.000,0.845>]
   [0.266 rgbft <1.000,0.932,1.000,0.000,0.820>]
   [0.270 rgbft <1.000,0.954,0.954,0.000,0.273>]
   [0.273 rgbft <1.000,0.957,0.957,0.000,0.307>]
   [0.277 rgbft <1.000,0.950,0.939,0.000,0.220>]
   [0.281 rgbft <1.000,0.958,0.943,0.000,0.275>]
   [0.285 rgbft <1.000,0.953,0.933,0.000,0.402>]
   [0.289 rgbft <1.000,0.961,0.933,0.000,0.502>]
   [0.293 rgbft <1.000,0.947,0.931,0.000,0.366>]
   [0.297 rgbft <1.000,0.942,0.934,0.000,0.383>]
   [0.301 rgbft <1.000,0.955,0.922,0.000,0.317>]
   [0.305 rgbft <1.000,0.953,0.925,0.000,0.534>]
   [0.309 rgbft <1.000,0.953,0.937,0.000,0.482>]
   [0.313 rgbft <1.000,0.945,0.926,0.000,0.496>]
   [0.316 rgbft <1.000,0.957,0.942,0.000,0.438>]
   [0.320 rgbft <1.000,0.946,0.946,0.000,0.441>]
   [0.324 rgbft <1.000,0.966,0.951,0.000,0.393>]
   [0.328 rgbft <1.000,0.950,0.939,0.000,0.460>]
   [0.332 rgbft <1.000,0.954,0.928,0.000,0.383>]
   [0.336 rgbft <1.000,0.951,0.951,0.000,0.287>]
   [0.340 rgbft <1.000,0.948,0.940,0.000,0.403>]
   [0.344 rgbft <1.000,0.955,0.944,0.000,0.499>]
   [0.348 rgbft <1.000,0.962,0.950,0.000,0.484>]
   [0.352 rgbft <1.000,0.955,0.944,0.000,0.319>]
   [0.355 rgbft <1.000,0.956,0.967,0.000,0.465>]
   [0.359 rgbft <1.000,0.949,0.953,0.000,0.464>]
   [0.363 rgbft <1.000,0.957,0.946,0.000,0.353>]
   [0.367 rgbft <1.000,0.956,0.952,0.000,0.254>]
   [0.371 rgbft <1.000,0.967,0.944,0.000,0.272>]
   [0.375 rgbft <1.000,0.951,0.917,0.000,0.250>]
   [0.379 rgbft <1.000,0.958,0.973,0.000,0.340>]
   [0.383 rgbft <1.000,0.964,0.958,0.000,0.338>]
   [0.387 rgbft <1.000,0.953,0.949,0.000,0.304>]
   [0.391 rgbft <1.000,0.945,0.917,0.000,0.066>]
   [0.395 rgbft <1.000,0.950,0.891,0.000,0.166>]
   [0.398 rgbft <1.000,0.944,0.896,0.000,0.144>]
   [0.402 rgbft <1.000,0.947,0.900,0.000,0.216>]
   [0.406 rgbft <1.000,0.950,0.902,0.000,0.000>]
   [0.410 rgbft <1.000,0.947,0.900,0.000,0.221>]
   [0.414 rgbft <1.000,0.948,0.917,0.000,0.151>]
   [0.418 rgbft <1.000,0.958,0.924,0.000,0.000>]
   [0.422 rgbft <1.000,0.940,0.895,0.000,0.197>]
   [0.426 rgbft <1.000,0.945,0.907,0.000,0.296>]
   [0.430 rgbft <1.000,0.952,0.914,0.000,0.439>]
   [0.434 rgbft <1.000,0.943,0.903,0.000,0.233>]
   [0.438 rgbft <1.000,0.947,0.912,0.000,0.000>]
   [0.441 rgbft <1.000,0.941,0.907,0.000,0.051>]
   [0.445 rgbft <1.000,0.961,0.934,0.000,0.136>]
   [0.449 rgbft <1.000,0.962,0.927,0.000,0.114>]
   [0.453 rgbft <1.000,0.963,0.928,0.000,0.000>]
   [0.457 rgbft <1.000,1.000,1.000,0.000,0.116>]
   [0.461 rgbft <1.000,0.958,0.931,0.000,0.157>]
   [0.465 rgbft <1.000,0.955,0.931,0.000,0.130>]
   [0.469 rgbft <1.000,0.955,0.926,0.000,0.078>]
   [0.473 rgbft <1.000,0.941,0.900,0.000,0.000>]
   [0.477 rgbft <1.000,0.943,0.914,0.000,0.114>]
   [0.480 rgbft <1.000,0.955,0.937,0.000,0.144>]
   [0.484 rgbft <1.000,0.965,0.942,0.000,0.108>]
   [0.488 rgbft <1.000,0.968,0.954,0.000,0.000>]
   [0.492 rgbft <1.000,1.000,1.000,0.000,0.063>]
   [0.496 rgbft <1.000,0.976,0.966,0.000,0.000>]
   [0.500 rgbft <1.000,0.963,0.955,0.000,0.000>]
   [0.504 rgbft <1.000,0.968,0.941,0.000,0.147>]
   [0.508 rgbft <1.000,0.947,0.918,0.000,0.184>]
   [0.512 rgbft <1.000,0.948,0.917,0.000,0.102>]
   [0.516 rgbft <1.000,0.957,0.922,0.000,0.110>]
   [0.520 rgbft <1.000,0.946,0.905,0.000,0.132>]
   [0.523 rgbft <1.000,0.956,0.921,0.000,0.138>]
   [0.527 rgbft <1.000,0.959,0.929,0.000,0.193>]
   [0.531 rgbft <1.000,0.955,0.927,0.000,0.110>]
   [0.535 rgbft <1.000,0.953,0.930,0.000,0.080>]
   [0.539 rgbft <1.000,0.965,0.936,0.000,0.193>]
   [0.543 rgbft <1.000,0.960,0.937,0.000,0.116>]
   [0.547 rgbft <1.000,0.956,0.933,0.000,0.248>]
   [0.551 rgbft <1.000,0.963,0.948,0.000,0.225>]
   [0.555 rgbft <1.000,0.966,0.958,0.000,0.186>]
   [0.559 rgbft <1.000,0.962,0.946,0.000,0.140>]
   [0.563 rgbft <1.000,0.968,0.965,0.000,0.242>]
   [0.566 rgbft <1.000,0.968,0.960,0.000,0.288>]
   [0.570 rgbft <1.000,0.962,0.946,0.000,0.148>]
   [0.574 rgbft <1.000,0.964,0.952,0.000,0.217>]
   [0.578 rgbft <1.000,0.968,0.959,0.000,0.184>]
   [0.582 rgbft <1.000,0.964,0.953,0.000,0.123>]
   [0.586 rgbft <1.000,0.965,0.954,0.000,0.302>]
   [0.590 rgbft <1.000,0.957,0.941,0.000,0.187>]
   [0.594 rgbft <1.000,0.969,0.958,0.000,0.144>]
   [0.598 rgbft <1.000,0.966,0.946,0.000,0.249>]
   [0.602 rgbft <1.000,0.961,0.946,0.000,0.283>]
   [0.605 rgbft <1.000,0.963,0.946,0.000,0.303>]
   [0.609 rgbft <1.000,0.963,0.951,0.000,0.242>]
   [0.613 rgbft <1.000,0.957,0.951,0.000,0.000>]
   [0.617 rgbft <1.000,0.968,0.965,0.000,0.268>]
   [0.621 rgbft <1.000,0.973,0.978,0.000,0.220>]
   [0.625 rgbft <1.000,0.974,0.983,0.000,0.206>]
   [0.629 rgbft <1.000,0.997,1.000,0.000,0.193>]
   [0.633 rgbft <0.994,0.972,1.000,0.000,0.000>]
   [0.637 rgbft <0.994,0.967,1.000,0.000,0.363>]
   [0.641 rgbft <0.975,0.963,1.000,0.000,0.000>]
   [0.645 rgbft <0.987,0.957,1.000,0.000,0.625>]
   [0.648 rgbft <1.000,0.963,0.981,0.000,0.570>]
   [0.652 rgbft <1.000,0.950,0.960,0.000,1.000>]
   [0.656 rgbft <0.944,0.921,1.000,0.000,1.000>]
   [0.660 rgbft <0.923,0.900,1.000,0.000,0.931>]
   [0.664 rgbft <0.870,0.870,1.000,0.000,0.934>]
   [0.668 rgbft <0.903,0.903,1.000,0.000,0.925>]
   [0.672 rgbft <0.910,0.887,1.000,0.000,1.000>]
   [0.676 rgbft <0.889,0.880,1.000,0.000,0.923>]
   [0.680 rgbft <0.917,0.893,1.000,0.000,0.976>]
   [0.684 rgbft <0.877,0.889,1.000,0.000,0.963>]
   [0.688 rgbft <0.924,0.924,1.000,0.000,1.000>]
   [0.691 rgbft <0.877,0.868,1.000,0.000,0.826>]
   [0.695 rgbft <0.912,0.888,1.000,0.000,0.847>]
   [0.699 rgbft <0.890,0.899,1.000,0.000,0.540>]
   [0.703 rgbft <0.922,0.915,1.000,0.000,0.889>]
   [0.707 rgbft <0.929,0.910,1.000,0.000,0.859>]
   [0.711 rgbft <0.936,0.936,1.000,0.000,0.882>]
   [0.715 rgbft <0.936,0.925,1.000,0.000,0.843>]
   [0.719 rgbft <0.940,0.935,1.000,0.000,0.670>]
   [0.723 rgbft <0.966,0.949,1.000,0.000,0.507>]
   [0.727 rgbft <0.946,0.935,1.000,0.000,0.292>]
   [0.730 rgbft <0.965,0.944,1.000,0.000,0.391>]
   [0.734 rgbft <0.963,0.952,1.000,0.000,0.441>]
   [0.738 rgbft <0.985,0.954,1.000,0.000,0.413>]
   [0.742 rgbft <0.981,0.959,1.000,0.000,0.281>]
   [0.746 rgbft <1.000,0.982,0.996,0.000,0.461>]
   [0.750 rgbft <0.977,0.953,1.000,0.000,0.554>]
   [0.754 rgbft <0.996,0.980,1.000,0.000,0.478>]
   [0.758 rgbft <1.000,0.963,1.000,0.000,0.582>]
   [0.762 rgbft <1.000,0.976,0.976,0.000,0.590>]
   [0.766 rgbft <1.000,0.965,0.970,0.000,0.552>]
   [0.770 rgbft <1.000,0.965,0.961,0.000,0.570>]
   [0.773 rgbft <1.000,0.965,0.974,0.000,0.614>]
   [0.777 rgbft <1.000,0.969,0.965,0.000,0.599>]
   [0.781 rgbft <1.000,0.954,0.962,0.000,0.632>]
   [0.785 rgbft <1.000,0.962,0.962,0.000,0.571>]
   [0.789 rgbft <1.000,0.970,0.965,0.000,0.626>]
   [0.793 rgbft <1.000,0.961,0.969,0.000,0.652>]
   [0.797 rgbft <1.000,0.948,0.952,0.000,0.657>]
   [0.801 rgbft <1.000,0.961,0.965,0.000,0.598>]
   [0.805 rgbft <1.000,0.961,0.969,0.000,0.618>]
   [0.809 rgbft <1.000,0.960,0.965,0.000,0.635>]
   [0.813 rgbft <1.000,0.969,0.956,0.000,0.641>]
   [0.816 rgbft <1.000,0.964,0.973,0.000,0.635>]
   [0.820 rgbft <1.000,0.956,0.956,0.000,0.648>]
   [0.824 rgbft <1.000,0.977,0.968,0.000,0.626>]
   [0.828 rgbft <1.000,0.956,0.960,0.000,0.671>]
   [0.832 rgbft <1.000,0.977,0.977,0.000,0.643>]
   [0.836 rgbft <1.000,0.973,0.977,0.000,0.661>]
   [0.840 rgbft <1.000,0.960,0.964,0.000,0.628>]
   [0.844 rgbft <1.000,0.968,0.968,0.000,0.651>]
   [0.848 rgbft <1.000,0.973,0.977,0.000,0.692>]
   [0.852 rgbft <1.000,0.983,0.987,0.000,0.632>]
   [0.855 rgbft <1.000,0.969,0.973,0.000,0.662>]
   [0.859 rgbft <1.000,0.968,0.968,0.000,0.621>]
   [0.863 rgbft <1.000,0.973,0.973,0.000,0.644>]
   [0.867 rgbft <1.000,0.961,0.961,0.000,0.661>]
   [0.871 rgbft <1.000,0.969,0.996,0.000,0.568>]
   [0.875 rgbft <1.000,0.975,0.996,0.000,0.620>]
   [0.879 rgbft <1.000,0.969,0.982,0.000,0.675>]
   [0.883 rgbft <1.000,0.969,0.964,0.000,0.634>]
   [0.887 rgbft <1.000,0.973,0.991,0.000,0.656>]
   [0.891 rgbft <1.000,0.948,0.977,0.000,1.000>]
   [0.895 rgbft <1.000,0.968,0.973,0.000,0.607>]
   [0.898 rgbft <1.000,0.984,1.000,0.000,0.611>]
   [0.902 rgbft <1.000,0.961,0.977,0.000,0.503>]
   [0.906 rgbft <1.000,0.976,1.000,0.000,0.592>]
   [0.910 rgbft <0.996,0.968,1.000,0.000,0.599>]
   [0.914 rgbft <0.992,0.972,1.000,0.000,0.648>]
   [0.918 rgbft <0.973,0.957,1.000,0.000,0.619>]
   [0.922 rgbft <0.970,0.958,1.000,0.000,0.538>]
   [0.926 rgbft <0.981,0.962,1.000,0.000,0.636>]
   [0.930 rgbft <0.977,0.954,1.000,0.000,0.591>]
   [0.934 rgbft <0.966,0.954,1.000,0.000,0.591>]
   [0.938 rgbft <0.869,0.897,1.000,0.000,0.538>]
   [0.941 rgbft <0.959,0.943,1.000,0.000,1.000>]
   [0.945 rgbft <0.952,0.952,1.000,0.000,1.000>]
   [0.949 rgbft <0.910,0.891,1.000,0.000,1.000>]
   [0.953 rgbft <0.968,0.968,1.000,0.000,1.000>]
   [0.957 rgbft <1.000,1.000,1.000,0.000,1.000>]
   [0.961 rgbft <1.000,0.891,1.000,0.000,1.000>]
   [0.965 rgbft <1.000,0.858,1.000,0.000,1.000>]
   [0.969 rgbft <1.000,0.858,1.000,0.000,1.000>]
   [0.973 rgbft <0.956,0.858,1.000,0.000,1.000>]
   [0.977 rgbft <1.000,0.858,1.000,0.000,1.000>]
   [0.980 rgbft <0.923,0.858,1.000,0.000,1.000>]
   [0.984 rgbft <1.000,0.858,1.000,0.000,1.000>]
   [0.988 rgbft <0.906,0.906,1.000,0.000,1.000>]
   [0.992 rgbft <0.889,0.889,1.000,0.000,1.000>]
}


-- 

Regards
     Stephen

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