colormap.cpp 50 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886887888889890891892893894895896897898899900901902903904905906907908909910911912913914915916917918919920921922923924925926927928929930931932933934935936937938939940941942943944945946947948949950951952953954955956957958959960961962963964965966967968969970971972973974975976977978979980981982983984985986987988989990991992993994995996997998999100010011002100310041005100610071008100910101011101210131014101510161017101810191020102110221023102410251026102710281029103010311032103310341035103610371038103910401041104210431044104510461047104810491050105110521053105410551056105710581059106010611062106310641065106610671068106910701071107210731074107510761077107810791080108110821083108410851086108710881089109010911092109310941095109610971098109911001101110211031104110511061107110811091110111111121113111411151116111711181119112011211122112311241125112611271128112911301131113211331134113511361137113811391140114111421143114411451146114711481149115011511152115311541155115611571158115911601161116211631164116511661167116811691170117111721173117411751176117711781179118011811182118311841185118611871188118911901191119211931194119511961197119811991200120112021203120412051206120712081209121012111212121312141215121612171218121912201221122212231224122512261227122812291230123112321233123412351236123712381239124012411242124312441245124612471248124912501251125212531254125512561257125812591260126112621263126412651266126712681269127012711272127312741275127612771278127912801281128212831284128512861287128812891290129112921293129412951296129712981299130013011302130313041305130613071308130913101311131213131314131513161317131813191320132113221323132413251326132713281329133013311332133313341335133613371338133913401341134213431344134513461347134813491350135113521353135413551356135713581359136013611362136313641365136613671368136913701371137213731374137513761377137813791380138113821383138413851386138713881389139013911392139313941395139613971398139914001401140214031404140514061407140814091410141114121413141414151416141714181419142014211422142314241425142614271428142914301431143214331434
  1. // This file is part of libigl, a simple c++ geometry processing library.
  2. //
  3. // Copyright (C) 2017 Joe Graus <jgraus@gmu.edu>, Alec Jacobson <alecjacobson@gmail.com>
  4. //
  5. // This Source Code Form is subject to the terms of the Mozilla Public License
  6. // v. 2.0. If a copy of the MPL was not distributed with this file, You can
  7. // obtain one at http://mozilla.org/MPL/2.0/.
  8. #include "colormap.h"
  9. #include "jet.h"
  10. #include <algorithm>
  11. // One of the new matplotlib colormaps by Nathaniel J.Smith, Stefan van der Walt, and (in the case of viridis) Eric Firing.
  12. // Released under the CC0 license / public domain dedication
  13. namespace igl
  14. {
  15. static double inferno_cm[256][3] = {
  16. { 0.001462, 0.000466, 0.013866 },
  17. { 0.002267, 0.001270, 0.018570 },
  18. { 0.003299, 0.002249, 0.024239 },
  19. { 0.004547, 0.003392, 0.030909 },
  20. { 0.006006, 0.004692, 0.038558 },
  21. { 0.007676, 0.006136, 0.046836 },
  22. { 0.009561, 0.007713, 0.055143 },
  23. { 0.011663, 0.009417, 0.063460 },
  24. { 0.013995, 0.011225, 0.071862 },
  25. { 0.016561, 0.013136, 0.080282 },
  26. { 0.019373, 0.015133, 0.088767 },
  27. { 0.022447, 0.017199, 0.097327 },
  28. { 0.025793, 0.019331, 0.105930 },
  29. { 0.029432, 0.021503, 0.114621 },
  30. { 0.033385, 0.023702, 0.123397 },
  31. { 0.037668, 0.025921, 0.132232 },
  32. { 0.042253, 0.028139, 0.141141 },
  33. { 0.046915, 0.030324, 0.150164 },
  34. { 0.051644, 0.032474, 0.159254 },
  35. { 0.056449, 0.034569, 0.168414 },
  36. { 0.061340, 0.036590, 0.177642 },
  37. { 0.066331, 0.038504, 0.186962 },
  38. { 0.071429, 0.040294, 0.196354 },
  39. { 0.076637, 0.041905, 0.205799 },
  40. { 0.081962, 0.043328, 0.215289 },
  41. { 0.087411, 0.044556, 0.224813 },
  42. { 0.092990, 0.045583, 0.234358 },
  43. { 0.098702, 0.046402, 0.243904 },
  44. { 0.104551, 0.047008, 0.253430 },
  45. { 0.110536, 0.047399, 0.262912 },
  46. { 0.116656, 0.047574, 0.272321 },
  47. { 0.122908, 0.047536, 0.281624 },
  48. { 0.129285, 0.047293, 0.290788 },
  49. { 0.135778, 0.046856, 0.299776 },
  50. { 0.142378, 0.046242, 0.308553 },
  51. { 0.149073, 0.045468, 0.317085 },
  52. { 0.155850, 0.044559, 0.325338 },
  53. { 0.162689, 0.043554, 0.333277 },
  54. { 0.169575, 0.042489, 0.340874 },
  55. { 0.176493, 0.041402, 0.348111 },
  56. { 0.183429, 0.040329, 0.354971 },
  57. { 0.190367, 0.039309, 0.361447 },
  58. { 0.197297, 0.038400, 0.367535 },
  59. { 0.204209, 0.037632, 0.373238 },
  60. { 0.211095, 0.037030, 0.378563 },
  61. { 0.217949, 0.036615, 0.383522 },
  62. { 0.224763, 0.036405, 0.388129 },
  63. { 0.231538, 0.036405, 0.392400 },
  64. { 0.238273, 0.036621, 0.396353 },
  65. { 0.244967, 0.037055, 0.400007 },
  66. { 0.251620, 0.037705, 0.403378 },
  67. { 0.258234, 0.038571, 0.406485 },
  68. { 0.264810, 0.039647, 0.409345 },
  69. { 0.271347, 0.040922, 0.411976 },
  70. { 0.277850, 0.042353, 0.414392 },
  71. { 0.284321, 0.043933, 0.416608 },
  72. { 0.290763, 0.045644, 0.418637 },
  73. { 0.297178, 0.047470, 0.420491 },
  74. { 0.303568, 0.049396, 0.422182 },
  75. { 0.309935, 0.051407, 0.423721 },
  76. { 0.316282, 0.053490, 0.425116 },
  77. { 0.322610, 0.055634, 0.426377 },
  78. { 0.328921, 0.057827, 0.427511 },
  79. { 0.335217, 0.060060, 0.428524 },
  80. { 0.341500, 0.062325, 0.429425 },
  81. { 0.347771, 0.064616, 0.430217 },
  82. { 0.354032, 0.066925, 0.430906 },
  83. { 0.360284, 0.069247, 0.431497 },
  84. { 0.366529, 0.071579, 0.431994 },
  85. { 0.372768, 0.073915, 0.432400 },
  86. { 0.379001, 0.076253, 0.432719 },
  87. { 0.385228, 0.078591, 0.432955 },
  88. { 0.391453, 0.080927, 0.433109 },
  89. { 0.397674, 0.083257, 0.433183 },
  90. { 0.403894, 0.085580, 0.433179 },
  91. { 0.410113, 0.087896, 0.433098 },
  92. { 0.416331, 0.090203, 0.432943 },
  93. { 0.422549, 0.092501, 0.432714 },
  94. { 0.428768, 0.094790, 0.432412 },
  95. { 0.434987, 0.097069, 0.432039 },
  96. { 0.441207, 0.099338, 0.431594 },
  97. { 0.447428, 0.101597, 0.431080 },
  98. { 0.453651, 0.103848, 0.430498 },
  99. { 0.459875, 0.106089, 0.429846 },
  100. { 0.466100, 0.108322, 0.429125 },
  101. { 0.472328, 0.110547, 0.428334 },
  102. { 0.478558, 0.112764, 0.427475 },
  103. { 0.484789, 0.114974, 0.426548 },
  104. { 0.491022, 0.117179, 0.425552 },
  105. { 0.497257, 0.119379, 0.424488 },
  106. { 0.503493, 0.121575, 0.423356 },
  107. { 0.509730, 0.123769, 0.422156 },
  108. { 0.515967, 0.125960, 0.420887 },
  109. { 0.522206, 0.128150, 0.419549 },
  110. { 0.528444, 0.130341, 0.418142 },
  111. { 0.534683, 0.132534, 0.416667 },
  112. { 0.540920, 0.134729, 0.415123 },
  113. { 0.547157, 0.136929, 0.413511 },
  114. { 0.553392, 0.139134, 0.411829 },
  115. { 0.559624, 0.141346, 0.410078 },
  116. { 0.565854, 0.143567, 0.408258 },
  117. { 0.572081, 0.145797, 0.406369 },
  118. { 0.578304, 0.148039, 0.404411 },
  119. { 0.584521, 0.150294, 0.402385 },
  120. { 0.590734, 0.152563, 0.400290 },
  121. { 0.596940, 0.154848, 0.398125 },
  122. { 0.603139, 0.157151, 0.395891 },
  123. { 0.609330, 0.159474, 0.393589 },
  124. { 0.615513, 0.161817, 0.391219 },
  125. { 0.621685, 0.164184, 0.388781 },
  126. { 0.627847, 0.166575, 0.386276 },
  127. { 0.633998, 0.168992, 0.383704 },
  128. { 0.640135, 0.171438, 0.381065 },
  129. { 0.646260, 0.173914, 0.378359 },
  130. { 0.652369, 0.176421, 0.375586 },
  131. { 0.658463, 0.178962, 0.372748 },
  132. { 0.664540, 0.181539, 0.369846 },
  133. { 0.670599, 0.184153, 0.366879 },
  134. { 0.676638, 0.186807, 0.363849 },
  135. { 0.682656, 0.189501, 0.360757 },
  136. { 0.688653, 0.192239, 0.357603 },
  137. { 0.694627, 0.195021, 0.354388 },
  138. { 0.700576, 0.197851, 0.351113 },
  139. { 0.706500, 0.200728, 0.347777 },
  140. { 0.712396, 0.203656, 0.344383 },
  141. { 0.718264, 0.206636, 0.340931 },
  142. { 0.724103, 0.209670, 0.337424 },
  143. { 0.729909, 0.212759, 0.333861 },
  144. { 0.735683, 0.215906, 0.330245 },
  145. { 0.741423, 0.219112, 0.326576 },
  146. { 0.747127, 0.222378, 0.322856 },
  147. { 0.752794, 0.225706, 0.319085 },
  148. { 0.758422, 0.229097, 0.315266 },
  149. { 0.764010, 0.232554, 0.311399 },
  150. { 0.769556, 0.236077, 0.307485 },
  151. { 0.775059, 0.239667, 0.303526 },
  152. { 0.780517, 0.243327, 0.299523 },
  153. { 0.785929, 0.247056, 0.295477 },
  154. { 0.791293, 0.250856, 0.291390 },
  155. { 0.796607, 0.254728, 0.287264 },
  156. { 0.801871, 0.258674, 0.283099 },
  157. { 0.807082, 0.262692, 0.278898 },
  158. { 0.812239, 0.266786, 0.274661 },
  159. { 0.817341, 0.270954, 0.270390 },
  160. { 0.822386, 0.275197, 0.266085 },
  161. { 0.827372, 0.279517, 0.261750 },
  162. { 0.832299, 0.283913, 0.257383 },
  163. { 0.837165, 0.288385, 0.252988 },
  164. { 0.841969, 0.292933, 0.248564 },
  165. { 0.846709, 0.297559, 0.244113 },
  166. { 0.851384, 0.302260, 0.239636 },
  167. { 0.855992, 0.307038, 0.235133 },
  168. { 0.860533, 0.311892, 0.230606 },
  169. { 0.865006, 0.316822, 0.226055 },
  170. { 0.869409, 0.321827, 0.221482 },
  171. { 0.873741, 0.326906, 0.216886 },
  172. { 0.878001, 0.332060, 0.212268 },
  173. { 0.882188, 0.337287, 0.207628 },
  174. { 0.886302, 0.342586, 0.202968 },
  175. { 0.890341, 0.347957, 0.198286 },
  176. { 0.894305, 0.353399, 0.193584 },
  177. { 0.898192, 0.358911, 0.188860 },
  178. { 0.902003, 0.364492, 0.184116 },
  179. { 0.905735, 0.370140, 0.179350 },
  180. { 0.909390, 0.375856, 0.174563 },
  181. { 0.912966, 0.381636, 0.169755 },
  182. { 0.916462, 0.387481, 0.164924 },
  183. { 0.919879, 0.393389, 0.160070 },
  184. { 0.923215, 0.399359, 0.155193 },
  185. { 0.926470, 0.405389, 0.150292 },
  186. { 0.929644, 0.411479, 0.145367 },
  187. { 0.932737, 0.417627, 0.140417 },
  188. { 0.935747, 0.423831, 0.135440 },
  189. { 0.938675, 0.430091, 0.130438 },
  190. { 0.941521, 0.436405, 0.125409 },
  191. { 0.944285, 0.442772, 0.120354 },
  192. { 0.946965, 0.449191, 0.115272 },
  193. { 0.949562, 0.455660, 0.110164 },
  194. { 0.952075, 0.462178, 0.105031 },
  195. { 0.954506, 0.468744, 0.099874 },
  196. { 0.956852, 0.475356, 0.094695 },
  197. { 0.959114, 0.482014, 0.089499 },
  198. { 0.961293, 0.488716, 0.084289 },
  199. { 0.963387, 0.495462, 0.079073 },
  200. { 0.965397, 0.502249, 0.073859 },
  201. { 0.967322, 0.509078, 0.068659 },
  202. { 0.969163, 0.515946, 0.063488 },
  203. { 0.970919, 0.522853, 0.058367 },
  204. { 0.972590, 0.529798, 0.053324 },
  205. { 0.974176, 0.536780, 0.048392 },
  206. { 0.975677, 0.543798, 0.043618 },
  207. { 0.977092, 0.550850, 0.039050 },
  208. { 0.978422, 0.557937, 0.034931 },
  209. { 0.979666, 0.565057, 0.031409 },
  210. { 0.980824, 0.572209, 0.028508 },
  211. { 0.981895, 0.579392, 0.026250 },
  212. { 0.982881, 0.586606, 0.024661 },
  213. { 0.983779, 0.593849, 0.023770 },
  214. { 0.984591, 0.601122, 0.023606 },
  215. { 0.985315, 0.608422, 0.024202 },
  216. { 0.985952, 0.615750, 0.025592 },
  217. { 0.986502, 0.623105, 0.027814 },
  218. { 0.986964, 0.630485, 0.030908 },
  219. { 0.987337, 0.637890, 0.034916 },
  220. { 0.987622, 0.645320, 0.039886 },
  221. { 0.987819, 0.652773, 0.045581 },
  222. { 0.987926, 0.660250, 0.051750 },
  223. { 0.987945, 0.667748, 0.058329 },
  224. { 0.987874, 0.675267, 0.065257 },
  225. { 0.987714, 0.682807, 0.072489 },
  226. { 0.987464, 0.690366, 0.079990 },
  227. { 0.987124, 0.697944, 0.087731 },
  228. { 0.986694, 0.705540, 0.095694 },
  229. { 0.986175, 0.713153, 0.103863 },
  230. { 0.985566, 0.720782, 0.112229 },
  231. { 0.984865, 0.728427, 0.120785 },
  232. { 0.984075, 0.736087, 0.129527 },
  233. { 0.983196, 0.743758, 0.138453 },
  234. { 0.982228, 0.751442, 0.147565 },
  235. { 0.981173, 0.759135, 0.156863 },
  236. { 0.980032, 0.766837, 0.166353 },
  237. { 0.978806, 0.774545, 0.176037 },
  238. { 0.977497, 0.782258, 0.185923 },
  239. { 0.976108, 0.789974, 0.196018 },
  240. { 0.974638, 0.797692, 0.206332 },
  241. { 0.973088, 0.805409, 0.216877 },
  242. { 0.971468, 0.813122, 0.227658 },
  243. { 0.969783, 0.820825, 0.238686 },
  244. { 0.968041, 0.828515, 0.249972 },
  245. { 0.966243, 0.836191, 0.261534 },
  246. { 0.964394, 0.843848, 0.273391 },
  247. { 0.962517, 0.851476, 0.285546 },
  248. { 0.960626, 0.859069, 0.298010 },
  249. { 0.958720, 0.866624, 0.310820 },
  250. { 0.956834, 0.874129, 0.323974 },
  251. { 0.954997, 0.881569, 0.337475 },
  252. { 0.953215, 0.888942, 0.351369 },
  253. { 0.951546, 0.896226, 0.365627 },
  254. { 0.950018, 0.903409, 0.380271 },
  255. { 0.948683, 0.910473, 0.395289 },
  256. { 0.947594, 0.917399, 0.410665 },
  257. { 0.946809, 0.924168, 0.426373 },
  258. { 0.946392, 0.930761, 0.442367 },
  259. { 0.946403, 0.937159, 0.458592 },
  260. { 0.946903, 0.943348, 0.474970 },
  261. { 0.947937, 0.949318, 0.491426 },
  262. { 0.949545, 0.955063, 0.507860 },
  263. { 0.951740, 0.960587, 0.524203 },
  264. { 0.954529, 0.965896, 0.540361 },
  265. { 0.957896, 0.971003, 0.556275 },
  266. { 0.961812, 0.975924, 0.571925 },
  267. { 0.966249, 0.980678, 0.587206 },
  268. { 0.971162, 0.985282, 0.602154 },
  269. { 0.976511, 0.989753, 0.616760 },
  270. { 0.982257, 0.994109, 0.631017 },
  271. { 0.988362, 0.998364, 0.644924 }
  272. };
  273. static double magma_cm[256][3] = {
  274. { 0.001462, 0.000466, 0.013866 },
  275. { 0.002258, 0.001295, 0.018331 },
  276. { 0.003279, 0.002305, 0.023708 },
  277. { 0.004512, 0.003490, 0.029965 },
  278. { 0.005950, 0.004843, 0.037130 },
  279. { 0.007588, 0.006356, 0.044973 },
  280. { 0.009426, 0.008022, 0.052844 },
  281. { 0.011465, 0.009828, 0.060750 },
  282. { 0.013708, 0.011771, 0.068667 },
  283. { 0.016156, 0.013840, 0.076603 },
  284. { 0.018815, 0.016026, 0.084584 },
  285. { 0.021692, 0.018320, 0.092610 },
  286. { 0.024792, 0.020715, 0.100676 },
  287. { 0.028123, 0.023201, 0.108787 },
  288. { 0.031696, 0.025765, 0.116965 },
  289. { 0.035520, 0.028397, 0.125209 },
  290. { 0.039608, 0.031090, 0.133515 },
  291. { 0.043830, 0.033830, 0.141886 },
  292. { 0.048062, 0.036607, 0.150327 },
  293. { 0.052320, 0.039407, 0.158841 },
  294. { 0.056615, 0.042160, 0.167446 },
  295. { 0.060949, 0.044794, 0.176129 },
  296. { 0.065330, 0.047318, 0.184892 },
  297. { 0.069764, 0.049726, 0.193735 },
  298. { 0.074257, 0.052017, 0.202660 },
  299. { 0.078815, 0.054184, 0.211667 },
  300. { 0.083446, 0.056225, 0.220755 },
  301. { 0.088155, 0.058133, 0.229922 },
  302. { 0.092949, 0.059904, 0.239164 },
  303. { 0.097833, 0.061531, 0.248477 },
  304. { 0.102815, 0.063010, 0.257854 },
  305. { 0.107899, 0.064335, 0.267289 },
  306. { 0.113094, 0.065492, 0.276784 },
  307. { 0.118405, 0.066479, 0.286321 },
  308. { 0.123833, 0.067295, 0.295879 },
  309. { 0.129380, 0.067935, 0.305443 },
  310. { 0.135053, 0.068391, 0.315000 },
  311. { 0.140858, 0.068654, 0.324538 },
  312. { 0.146785, 0.068738, 0.334011 },
  313. { 0.152839, 0.068637, 0.343404 },
  314. { 0.159018, 0.068354, 0.352688 },
  315. { 0.165308, 0.067911, 0.361816 },
  316. { 0.171713, 0.067305, 0.370771 },
  317. { 0.178212, 0.066576, 0.379497 },
  318. { 0.184801, 0.065732, 0.387973 },
  319. { 0.191460, 0.064818, 0.396152 },
  320. { 0.198177, 0.063862, 0.404009 },
  321. { 0.204935, 0.062907, 0.411514 },
  322. { 0.211718, 0.061992, 0.418647 },
  323. { 0.218512, 0.061158, 0.425392 },
  324. { 0.225302, 0.060445, 0.431742 },
  325. { 0.232077, 0.059889, 0.437695 },
  326. { 0.238826, 0.059517, 0.443256 },
  327. { 0.245543, 0.059352, 0.448436 },
  328. { 0.252220, 0.059415, 0.453248 },
  329. { 0.258857, 0.059706, 0.457710 },
  330. { 0.265447, 0.060237, 0.461840 },
  331. { 0.271994, 0.060994, 0.465660 },
  332. { 0.278493, 0.061978, 0.469190 },
  333. { 0.284951, 0.063168, 0.472451 },
  334. { 0.291366, 0.064553, 0.475462 },
  335. { 0.297740, 0.066117, 0.478243 },
  336. { 0.304081, 0.067835, 0.480812 },
  337. { 0.310382, 0.069702, 0.483186 },
  338. { 0.316654, 0.071690, 0.485380 },
  339. { 0.322899, 0.073782, 0.487408 },
  340. { 0.329114, 0.075972, 0.489287 },
  341. { 0.335308, 0.078236, 0.491024 },
  342. { 0.341482, 0.080564, 0.492631 },
  343. { 0.347636, 0.082946, 0.494121 },
  344. { 0.353773, 0.085373, 0.495501 },
  345. { 0.359898, 0.087831, 0.496778 },
  346. { 0.366012, 0.090314, 0.497960 },
  347. { 0.372116, 0.092816, 0.499053 },
  348. { 0.378211, 0.095332, 0.500067 },
  349. { 0.384299, 0.097855, 0.501002 },
  350. { 0.390384, 0.100379, 0.501864 },
  351. { 0.396467, 0.102902, 0.502658 },
  352. { 0.402548, 0.105420, 0.503386 },
  353. { 0.408629, 0.107930, 0.504052 },
  354. { 0.414709, 0.110431, 0.504662 },
  355. { 0.420791, 0.112920, 0.505215 },
  356. { 0.426877, 0.115395, 0.505714 },
  357. { 0.432967, 0.117855, 0.506160 },
  358. { 0.439062, 0.120298, 0.506555 },
  359. { 0.445163, 0.122724, 0.506901 },
  360. { 0.451271, 0.125132, 0.507198 },
  361. { 0.457386, 0.127522, 0.507448 },
  362. { 0.463508, 0.129893, 0.507652 },
  363. { 0.469640, 0.132245, 0.507809 },
  364. { 0.475780, 0.134577, 0.507921 },
  365. { 0.481929, 0.136891, 0.507989 },
  366. { 0.488088, 0.139186, 0.508011 },
  367. { 0.494258, 0.141462, 0.507988 },
  368. { 0.500438, 0.143719, 0.507920 },
  369. { 0.506629, 0.145958, 0.507806 },
  370. { 0.512831, 0.148179, 0.507648 },
  371. { 0.519045, 0.150383, 0.507443 },
  372. { 0.525270, 0.152569, 0.507192 },
  373. { 0.531507, 0.154739, 0.506895 },
  374. { 0.537755, 0.156894, 0.506551 },
  375. { 0.544015, 0.159033, 0.506159 },
  376. { 0.550287, 0.161158, 0.505719 },
  377. { 0.556571, 0.163269, 0.505230 },
  378. { 0.562866, 0.165368, 0.504692 },
  379. { 0.569172, 0.167454, 0.504105 },
  380. { 0.575490, 0.169530, 0.503466 },
  381. { 0.581819, 0.171596, 0.502777 },
  382. { 0.588158, 0.173652, 0.502035 },
  383. { 0.594508, 0.175701, 0.501241 },
  384. { 0.600868, 0.177743, 0.500394 },
  385. { 0.607238, 0.179779, 0.499492 },
  386. { 0.613617, 0.181811, 0.498536 },
  387. { 0.620005, 0.183840, 0.497524 },
  388. { 0.626401, 0.185867, 0.496456 },
  389. { 0.632805, 0.187893, 0.495332 },
  390. { 0.639216, 0.189921, 0.494150 },
  391. { 0.645633, 0.191952, 0.492910 },
  392. { 0.652056, 0.193986, 0.491611 },
  393. { 0.658483, 0.196027, 0.490253 },
  394. { 0.664915, 0.198075, 0.488836 },
  395. { 0.671349, 0.200133, 0.487358 },
  396. { 0.677786, 0.202203, 0.485819 },
  397. { 0.684224, 0.204286, 0.484219 },
  398. { 0.690661, 0.206384, 0.482558 },
  399. { 0.697098, 0.208501, 0.480835 },
  400. { 0.703532, 0.210638, 0.479049 },
  401. { 0.709962, 0.212797, 0.477201 },
  402. { 0.716387, 0.214982, 0.475290 },
  403. { 0.722805, 0.217194, 0.473316 },
  404. { 0.729216, 0.219437, 0.471279 },
  405. { 0.735616, 0.221713, 0.469180 },
  406. { 0.742004, 0.224025, 0.467018 },
  407. { 0.748378, 0.226377, 0.464794 },
  408. { 0.754737, 0.228772, 0.462509 },
  409. { 0.761077, 0.231214, 0.460162 },
  410. { 0.767398, 0.233705, 0.457755 },
  411. { 0.773695, 0.236249, 0.455289 },
  412. { 0.779968, 0.238851, 0.452765 },
  413. { 0.786212, 0.241514, 0.450184 },
  414. { 0.792427, 0.244242, 0.447543 },
  415. { 0.798608, 0.247040, 0.444848 },
  416. { 0.804752, 0.249911, 0.442102 },
  417. { 0.810855, 0.252861, 0.439305 },
  418. { 0.816914, 0.255895, 0.436461 },
  419. { 0.822926, 0.259016, 0.433573 },
  420. { 0.828886, 0.262229, 0.430644 },
  421. { 0.834791, 0.265540, 0.427671 },
  422. { 0.840636, 0.268953, 0.424666 },
  423. { 0.846416, 0.272473, 0.421631 },
  424. { 0.852126, 0.276106, 0.418573 },
  425. { 0.857763, 0.279857, 0.415496 },
  426. { 0.863320, 0.283729, 0.412403 },
  427. { 0.868793, 0.287728, 0.409303 },
  428. { 0.874176, 0.291859, 0.406205 },
  429. { 0.879464, 0.296125, 0.403118 },
  430. { 0.884651, 0.300530, 0.400047 },
  431. { 0.889731, 0.305079, 0.397002 },
  432. { 0.894700, 0.309773, 0.393995 },
  433. { 0.899552, 0.314616, 0.391037 },
  434. { 0.904281, 0.319610, 0.388137 },
  435. { 0.908884, 0.324755, 0.385308 },
  436. { 0.913354, 0.330052, 0.382563 },
  437. { 0.917689, 0.335500, 0.379915 },
  438. { 0.921884, 0.341098, 0.377376 },
  439. { 0.925937, 0.346844, 0.374959 },
  440. { 0.929845, 0.352734, 0.372677 },
  441. { 0.933606, 0.358764, 0.370541 },
  442. { 0.937221, 0.364929, 0.368567 },
  443. { 0.940687, 0.371224, 0.366762 },
  444. { 0.944006, 0.377643, 0.365136 },
  445. { 0.947180, 0.384178, 0.363701 },
  446. { 0.950210, 0.390820, 0.362468 },
  447. { 0.953099, 0.397563, 0.361438 },
  448. { 0.955849, 0.404400, 0.360619 },
  449. { 0.958464, 0.411324, 0.360014 },
  450. { 0.960949, 0.418323, 0.359630 },
  451. { 0.963310, 0.425390, 0.359469 },
  452. { 0.965549, 0.432519, 0.359529 },
  453. { 0.967671, 0.439703, 0.359810 },
  454. { 0.969680, 0.446936, 0.360311 },
  455. { 0.971582, 0.454210, 0.361030 },
  456. { 0.973381, 0.461520, 0.361965 },
  457. { 0.975082, 0.468861, 0.363111 },
  458. { 0.976690, 0.476226, 0.364466 },
  459. { 0.978210, 0.483612, 0.366025 },
  460. { 0.979645, 0.491014, 0.367783 },
  461. { 0.981000, 0.498428, 0.369734 },
  462. { 0.982279, 0.505851, 0.371874 },
  463. { 0.983485, 0.513280, 0.374198 },
  464. { 0.984622, 0.520713, 0.376698 },
  465. { 0.985693, 0.528148, 0.379371 },
  466. { 0.986700, 0.535582, 0.382210 },
  467. { 0.987646, 0.543015, 0.385210 },
  468. { 0.988533, 0.550446, 0.388365 },
  469. { 0.989363, 0.557873, 0.391671 },
  470. { 0.990138, 0.565296, 0.395122 },
  471. { 0.990871, 0.572706, 0.398714 },
  472. { 0.991558, 0.580107, 0.402441 },
  473. { 0.992196, 0.587502, 0.406299 },
  474. { 0.992785, 0.594891, 0.410283 },
  475. { 0.993326, 0.602275, 0.414390 },
  476. { 0.993834, 0.609644, 0.418613 },
  477. { 0.994309, 0.616999, 0.422950 },
  478. { 0.994738, 0.624350, 0.427397 },
  479. { 0.995122, 0.631696, 0.431951 },
  480. { 0.995480, 0.639027, 0.436607 },
  481. { 0.995810, 0.646344, 0.441361 },
  482. { 0.996096, 0.653659, 0.446213 },
  483. { 0.996341, 0.660969, 0.451160 },
  484. { 0.996580, 0.668256, 0.456192 },
  485. { 0.996775, 0.675541, 0.461314 },
  486. { 0.996925, 0.682828, 0.466526 },
  487. { 0.997077, 0.690088, 0.471811 },
  488. { 0.997186, 0.697349, 0.477182 },
  489. { 0.997254, 0.704611, 0.482635 },
  490. { 0.997325, 0.711848, 0.488154 },
  491. { 0.997351, 0.719089, 0.493755 },
  492. { 0.997351, 0.726324, 0.499428 },
  493. { 0.997341, 0.733545, 0.505167 },
  494. { 0.997285, 0.740772, 0.510983 },
  495. { 0.997228, 0.747981, 0.516859 },
  496. { 0.997138, 0.755190, 0.522806 },
  497. { 0.997019, 0.762398, 0.528821 },
  498. { 0.996898, 0.769591, 0.534892 },
  499. { 0.996727, 0.776795, 0.541039 },
  500. { 0.996571, 0.783977, 0.547233 },
  501. { 0.996369, 0.791167, 0.553499 },
  502. { 0.996162, 0.798348, 0.559820 },
  503. { 0.995932, 0.805527, 0.566202 },
  504. { 0.995680, 0.812706, 0.572645 },
  505. { 0.995424, 0.819875, 0.579140 },
  506. { 0.995131, 0.827052, 0.585701 },
  507. { 0.994851, 0.834213, 0.592307 },
  508. { 0.994524, 0.841387, 0.598983 },
  509. { 0.994222, 0.848540, 0.605696 },
  510. { 0.993866, 0.855711, 0.612482 },
  511. { 0.993545, 0.862859, 0.619299 },
  512. { 0.993170, 0.870024, 0.626189 },
  513. { 0.992831, 0.877168, 0.633109 },
  514. { 0.992440, 0.884330, 0.640099 },
  515. { 0.992089, 0.891470, 0.647116 },
  516. { 0.991688, 0.898627, 0.654202 },
  517. { 0.991332, 0.905763, 0.661309 },
  518. { 0.990930, 0.912915, 0.668481 },
  519. { 0.990570, 0.920049, 0.675675 },
  520. { 0.990175, 0.927196, 0.682926 },
  521. { 0.989815, 0.934329, 0.690198 },
  522. { 0.989434, 0.941470, 0.697519 },
  523. { 0.989077, 0.948604, 0.704863 },
  524. { 0.988717, 0.955742, 0.712242 },
  525. { 0.988367, 0.962878, 0.719649 },
  526. { 0.988033, 0.970012, 0.727077 },
  527. { 0.987691, 0.977154, 0.734536 },
  528. { 0.987387, 0.984288, 0.742002 },
  529. { 0.987053, 0.991438, 0.749504 }
  530. };
  531. static double plasma_cm[256][3] = {
  532. { 0.050383, 0.029803, 0.527975 },
  533. { 0.063536, 0.028426, 0.533124 },
  534. { 0.075353, 0.027206, 0.538007 },
  535. { 0.086222, 0.026125, 0.542658 },
  536. { 0.096379, 0.025165, 0.547103 },
  537. { 0.105980, 0.024309, 0.551368 },
  538. { 0.115124, 0.023556, 0.555468 },
  539. { 0.123903, 0.022878, 0.559423 },
  540. { 0.132381, 0.022258, 0.563250 },
  541. { 0.140603, 0.021687, 0.566959 },
  542. { 0.148607, 0.021154, 0.570562 },
  543. { 0.156421, 0.020651, 0.574065 },
  544. { 0.164070, 0.020171, 0.577478 },
  545. { 0.171574, 0.019706, 0.580806 },
  546. { 0.178950, 0.019252, 0.584054 },
  547. { 0.186213, 0.018803, 0.587228 },
  548. { 0.193374, 0.018354, 0.590330 },
  549. { 0.200445, 0.017902, 0.593364 },
  550. { 0.207435, 0.017442, 0.596333 },
  551. { 0.214350, 0.016973, 0.599239 },
  552. { 0.221197, 0.016497, 0.602083 },
  553. { 0.227983, 0.016007, 0.604867 },
  554. { 0.234715, 0.015502, 0.607592 },
  555. { 0.241396, 0.014979, 0.610259 },
  556. { 0.248032, 0.014439, 0.612868 },
  557. { 0.254627, 0.013882, 0.615419 },
  558. { 0.261183, 0.013308, 0.617911 },
  559. { 0.267703, 0.012716, 0.620346 },
  560. { 0.274191, 0.012109, 0.622722 },
  561. { 0.280648, 0.011488, 0.625038 },
  562. { 0.287076, 0.010855, 0.627295 },
  563. { 0.293478, 0.010213, 0.629490 },
  564. { 0.299855, 0.009561, 0.631624 },
  565. { 0.306210, 0.008902, 0.633694 },
  566. { 0.312543, 0.008239, 0.635700 },
  567. { 0.318856, 0.007576, 0.637640 },
  568. { 0.325150, 0.006915, 0.639512 },
  569. { 0.331426, 0.006261, 0.641316 },
  570. { 0.337683, 0.005618, 0.643049 },
  571. { 0.343925, 0.004991, 0.644710 },
  572. { 0.350150, 0.004382, 0.646298 },
  573. { 0.356359, 0.003798, 0.647810 },
  574. { 0.362553, 0.003243, 0.649245 },
  575. { 0.368733, 0.002724, 0.650601 },
  576. { 0.374897, 0.002245, 0.651876 },
  577. { 0.381047, 0.001814, 0.653068 },
  578. { 0.387183, 0.001434, 0.654177 },
  579. { 0.393304, 0.001114, 0.655199 },
  580. { 0.399411, 0.000859, 0.656133 },
  581. { 0.405503, 0.000678, 0.656977 },
  582. { 0.411580, 0.000577, 0.657730 },
  583. { 0.417642, 0.000564, 0.658390 },
  584. { 0.423689, 0.000646, 0.658956 },
  585. { 0.429719, 0.000831, 0.659425 },
  586. { 0.435734, 0.001127, 0.659797 },
  587. { 0.441732, 0.001540, 0.660069 },
  588. { 0.447714, 0.002080, 0.660240 },
  589. { 0.453677, 0.002755, 0.660310 },
  590. { 0.459623, 0.003574, 0.660277 },
  591. { 0.465550, 0.004545, 0.660139 },
  592. { 0.471457, 0.005678, 0.659897 },
  593. { 0.477344, 0.006980, 0.659549 },
  594. { 0.483210, 0.008460, 0.659095 },
  595. { 0.489055, 0.010127, 0.658534 },
  596. { 0.494877, 0.011990, 0.657865 },
  597. { 0.500678, 0.014055, 0.657088 },
  598. { 0.506454, 0.016333, 0.656202 },
  599. { 0.512206, 0.018833, 0.655209 },
  600. { 0.517933, 0.021563, 0.654109 },
  601. { 0.523633, 0.024532, 0.652901 },
  602. { 0.529306, 0.027747, 0.651586 },
  603. { 0.534952, 0.031217, 0.650165 },
  604. { 0.540570, 0.034950, 0.648640 },
  605. { 0.546157, 0.038954, 0.647010 },
  606. { 0.551715, 0.043136, 0.645277 },
  607. { 0.557243, 0.047331, 0.643443 },
  608. { 0.562738, 0.051545, 0.641509 },
  609. { 0.568201, 0.055778, 0.639477 },
  610. { 0.573632, 0.060028, 0.637349 },
  611. { 0.579029, 0.064296, 0.635126 },
  612. { 0.584391, 0.068579, 0.632812 },
  613. { 0.589719, 0.072878, 0.630408 },
  614. { 0.595011, 0.077190, 0.627917 },
  615. { 0.600266, 0.081516, 0.625342 },
  616. { 0.605485, 0.085854, 0.622686 },
  617. { 0.610667, 0.090204, 0.619951 },
  618. { 0.615812, 0.094564, 0.617140 },
  619. { 0.620919, 0.098934, 0.614257 },
  620. { 0.625987, 0.103312, 0.611305 },
  621. { 0.631017, 0.107699, 0.608287 },
  622. { 0.636008, 0.112092, 0.605205 },
  623. { 0.640959, 0.116492, 0.602065 },
  624. { 0.645872, 0.120898, 0.598867 },
  625. { 0.650746, 0.125309, 0.595617 },
  626. { 0.655580, 0.129725, 0.592317 },
  627. { 0.660374, 0.134144, 0.588971 },
  628. { 0.665129, 0.138566, 0.585582 },
  629. { 0.669845, 0.142992, 0.582154 },
  630. { 0.674522, 0.147419, 0.578688 },
  631. { 0.679160, 0.151848, 0.575189 },
  632. { 0.683758, 0.156278, 0.571660 },
  633. { 0.688318, 0.160709, 0.568103 },
  634. { 0.692840, 0.165141, 0.564522 },
  635. { 0.697324, 0.169573, 0.560919 },
  636. { 0.701769, 0.174005, 0.557296 },
  637. { 0.706178, 0.178437, 0.553657 },
  638. { 0.710549, 0.182868, 0.550004 },
  639. { 0.714883, 0.187299, 0.546338 },
  640. { 0.719181, 0.191729, 0.542663 },
  641. { 0.723444, 0.196158, 0.538981 },
  642. { 0.727670, 0.200586, 0.535293 },
  643. { 0.731862, 0.205013, 0.531601 },
  644. { 0.736019, 0.209439, 0.527908 },
  645. { 0.740143, 0.213864, 0.524216 },
  646. { 0.744232, 0.218288, 0.520524 },
  647. { 0.748289, 0.222711, 0.516834 },
  648. { 0.752312, 0.227133, 0.513149 },
  649. { 0.756304, 0.231555, 0.509468 },
  650. { 0.760264, 0.235976, 0.505794 },
  651. { 0.764193, 0.240396, 0.502126 },
  652. { 0.768090, 0.244817, 0.498465 },
  653. { 0.771958, 0.249237, 0.494813 },
  654. { 0.775796, 0.253658, 0.491171 },
  655. { 0.779604, 0.258078, 0.487539 },
  656. { 0.783383, 0.262500, 0.483918 },
  657. { 0.787133, 0.266922, 0.480307 },
  658. { 0.790855, 0.271345, 0.476706 },
  659. { 0.794549, 0.275770, 0.473117 },
  660. { 0.798216, 0.280197, 0.469538 },
  661. { 0.801855, 0.284626, 0.465971 },
  662. { 0.805467, 0.289057, 0.462415 },
  663. { 0.809052, 0.293491, 0.458870 },
  664. { 0.812612, 0.297928, 0.455338 },
  665. { 0.816144, 0.302368, 0.451816 },
  666. { 0.819651, 0.306812, 0.448306 },
  667. { 0.823132, 0.311261, 0.444806 },
  668. { 0.826588, 0.315714, 0.441316 },
  669. { 0.830018, 0.320172, 0.437836 },
  670. { 0.833422, 0.324635, 0.434366 },
  671. { 0.836801, 0.329105, 0.430905 },
  672. { 0.840155, 0.333580, 0.427455 },
  673. { 0.843484, 0.338062, 0.424013 },
  674. { 0.846788, 0.342551, 0.420579 },
  675. { 0.850066, 0.347048, 0.417153 },
  676. { 0.853319, 0.351553, 0.413734 },
  677. { 0.856547, 0.356066, 0.410322 },
  678. { 0.859750, 0.360588, 0.406917 },
  679. { 0.862927, 0.365119, 0.403519 },
  680. { 0.866078, 0.369660, 0.400126 },
  681. { 0.869203, 0.374212, 0.396738 },
  682. { 0.872303, 0.378774, 0.393355 },
  683. { 0.875376, 0.383347, 0.389976 },
  684. { 0.878423, 0.387932, 0.386600 },
  685. { 0.881443, 0.392529, 0.383229 },
  686. { 0.884436, 0.397139, 0.379860 },
  687. { 0.887402, 0.401762, 0.376494 },
  688. { 0.890340, 0.406398, 0.373130 },
  689. { 0.893250, 0.411048, 0.369768 },
  690. { 0.896131, 0.415712, 0.366407 },
  691. { 0.898984, 0.420392, 0.363047 },
  692. { 0.901807, 0.425087, 0.359688 },
  693. { 0.904601, 0.429797, 0.356329 },
  694. { 0.907365, 0.434524, 0.352970 },
  695. { 0.910098, 0.439268, 0.349610 },
  696. { 0.912800, 0.444029, 0.346251 },
  697. { 0.915471, 0.448807, 0.342890 },
  698. { 0.918109, 0.453603, 0.339529 },
  699. { 0.920714, 0.458417, 0.336166 },
  700. { 0.923287, 0.463251, 0.332801 },
  701. { 0.925825, 0.468103, 0.329435 },
  702. { 0.928329, 0.472975, 0.326067 },
  703. { 0.930798, 0.477867, 0.322697 },
  704. { 0.933232, 0.482780, 0.319325 },
  705. { 0.935630, 0.487712, 0.315952 },
  706. { 0.937990, 0.492667, 0.312575 },
  707. { 0.940313, 0.497642, 0.309197 },
  708. { 0.942598, 0.502639, 0.305816 },
  709. { 0.944844, 0.507658, 0.302433 },
  710. { 0.947051, 0.512699, 0.299049 },
  711. { 0.949217, 0.517763, 0.295662 },
  712. { 0.951344, 0.522850, 0.292275 },
  713. { 0.953428, 0.527960, 0.288883 },
  714. { 0.955470, 0.533093, 0.285490 },
  715. { 0.957469, 0.538250, 0.282096 },
  716. { 0.959424, 0.543431, 0.278701 },
  717. { 0.961336, 0.548636, 0.275305 },
  718. { 0.963203, 0.553865, 0.271909 },
  719. { 0.965024, 0.559118, 0.268513 },
  720. { 0.966798, 0.564396, 0.265118 },
  721. { 0.968526, 0.569700, 0.261721 },
  722. { 0.970205, 0.575028, 0.258325 },
  723. { 0.971835, 0.580382, 0.254931 },
  724. { 0.973416, 0.585761, 0.251540 },
  725. { 0.974947, 0.591165, 0.248151 },
  726. { 0.976428, 0.596595, 0.244767 },
  727. { 0.977856, 0.602051, 0.241387 },
  728. { 0.979233, 0.607532, 0.238013 },
  729. { 0.980556, 0.613039, 0.234646 },
  730. { 0.981826, 0.618572, 0.231287 },
  731. { 0.983041, 0.624131, 0.227937 },
  732. { 0.984199, 0.629718, 0.224595 },
  733. { 0.985301, 0.635330, 0.221265 },
  734. { 0.986345, 0.640969, 0.217948 },
  735. { 0.987332, 0.646633, 0.214648 },
  736. { 0.988260, 0.652325, 0.211364 },
  737. { 0.989128, 0.658043, 0.208100 },
  738. { 0.989935, 0.663787, 0.204859 },
  739. { 0.990681, 0.669558, 0.201642 },
  740. { 0.991365, 0.675355, 0.198453 },
  741. { 0.991985, 0.681179, 0.195295 },
  742. { 0.992541, 0.687030, 0.192170 },
  743. { 0.993032, 0.692907, 0.189084 },
  744. { 0.993456, 0.698810, 0.186041 },
  745. { 0.993814, 0.704741, 0.183043 },
  746. { 0.994103, 0.710698, 0.180097 },
  747. { 0.994324, 0.716681, 0.177208 },
  748. { 0.994474, 0.722691, 0.174381 },
  749. { 0.994553, 0.728728, 0.171622 },
  750. { 0.994561, 0.734791, 0.168938 },
  751. { 0.994495, 0.740880, 0.166335 },
  752. { 0.994355, 0.746995, 0.163821 },
  753. { 0.994141, 0.753137, 0.161404 },
  754. { 0.993851, 0.759304, 0.159092 },
  755. { 0.993482, 0.765499, 0.156891 },
  756. { 0.993033, 0.771720, 0.154808 },
  757. { 0.992505, 0.777967, 0.152855 },
  758. { 0.991897, 0.784239, 0.151042 },
  759. { 0.991209, 0.790537, 0.149377 },
  760. { 0.990439, 0.796859, 0.147870 },
  761. { 0.989587, 0.803205, 0.146529 },
  762. { 0.988648, 0.809579, 0.145357 },
  763. { 0.987621, 0.815978, 0.144363 },
  764. { 0.986509, 0.822401, 0.143557 },
  765. { 0.985314, 0.828846, 0.142945 },
  766. { 0.984031, 0.835315, 0.142528 },
  767. { 0.982653, 0.841812, 0.142303 },
  768. { 0.981190, 0.848329, 0.142279 },
  769. { 0.979644, 0.854866, 0.142453 },
  770. { 0.977995, 0.861432, 0.142808 },
  771. { 0.976265, 0.868016, 0.143351 },
  772. { 0.974443, 0.874622, 0.144061 },
  773. { 0.972530, 0.881250, 0.144923 },
  774. { 0.970533, 0.887896, 0.145919 },
  775. { 0.968443, 0.894564, 0.147014 },
  776. { 0.966271, 0.901249, 0.148180 },
  777. { 0.964021, 0.907950, 0.149370 },
  778. { 0.961681, 0.914672, 0.150520 },
  779. { 0.959276, 0.921407, 0.151566 },
  780. { 0.956808, 0.928152, 0.152409 },
  781. { 0.954287, 0.934908, 0.152921 },
  782. { 0.951726, 0.941671, 0.152925 },
  783. { 0.949151, 0.948435, 0.152178 },
  784. { 0.946602, 0.955190, 0.150328 },
  785. { 0.944152, 0.961916, 0.146861 },
  786. { 0.941896, 0.968590, 0.140956 },
  787. { 0.940015, 0.975158, 0.131326 }
  788. };
  789. static double viridis_cm[256][3] = {
  790. { 0.267004, 0.004874, 0.329415 },
  791. { 0.268510, 0.009605, 0.335427 },
  792. { 0.269944, 0.014625, 0.341379 },
  793. { 0.271305, 0.019942, 0.347269 },
  794. { 0.272594, 0.025563, 0.353093 },
  795. { 0.273809, 0.031497, 0.358853 },
  796. { 0.274952, 0.037752, 0.364543 },
  797. { 0.276022, 0.044167, 0.370164 },
  798. { 0.277018, 0.050344, 0.375715 },
  799. { 0.277941, 0.056324, 0.381191 },
  800. { 0.278791, 0.062145, 0.386592 },
  801. { 0.279566, 0.067836, 0.391917 },
  802. { 0.280267, 0.073417, 0.397163 },
  803. { 0.280894, 0.078907, 0.402329 },
  804. { 0.281446, 0.084320, 0.407414 },
  805. { 0.281924, 0.089666, 0.412415 },
  806. { 0.282327, 0.094955, 0.417331 },
  807. { 0.282656, 0.100196, 0.422160 },
  808. { 0.282910, 0.105393, 0.426902 },
  809. { 0.283091, 0.110553, 0.431554 },
  810. { 0.283197, 0.115680, 0.436115 },
  811. { 0.283229, 0.120777, 0.440584 },
  812. { 0.283187, 0.125848, 0.444960 },
  813. { 0.283072, 0.130895, 0.449241 },
  814. { 0.282884, 0.135920, 0.453427 },
  815. { 0.282623, 0.140926, 0.457517 },
  816. { 0.282290, 0.145912, 0.461510 },
  817. { 0.281887, 0.150881, 0.465405 },
  818. { 0.281412, 0.155834, 0.469201 },
  819. { 0.280868, 0.160771, 0.472899 },
  820. { 0.280255, 0.165693, 0.476498 },
  821. { 0.279574, 0.170599, 0.479997 },
  822. { 0.278826, 0.175490, 0.483397 },
  823. { 0.278012, 0.180367, 0.486697 },
  824. { 0.277134, 0.185228, 0.489898 },
  825. { 0.276194, 0.190074, 0.493001 },
  826. { 0.275191, 0.194905, 0.496005 },
  827. { 0.274128, 0.199721, 0.498911 },
  828. { 0.273006, 0.204520, 0.501721 },
  829. { 0.271828, 0.209303, 0.504434 },
  830. { 0.270595, 0.214069, 0.507052 },
  831. { 0.269308, 0.218818, 0.509577 },
  832. { 0.267968, 0.223549, 0.512008 },
  833. { 0.266580, 0.228262, 0.514349 },
  834. { 0.265145, 0.232956, 0.516599 },
  835. { 0.263663, 0.237631, 0.518762 },
  836. { 0.262138, 0.242286, 0.520837 },
  837. { 0.260571, 0.246922, 0.522828 },
  838. { 0.258965, 0.251537, 0.524736 },
  839. { 0.257322, 0.256130, 0.526563 },
  840. { 0.255645, 0.260703, 0.528312 },
  841. { 0.253935, 0.265254, 0.529983 },
  842. { 0.252194, 0.269783, 0.531579 },
  843. { 0.250425, 0.274290, 0.533103 },
  844. { 0.248629, 0.278775, 0.534556 },
  845. { 0.246811, 0.283237, 0.535941 },
  846. { 0.244972, 0.287675, 0.537260 },
  847. { 0.243113, 0.292092, 0.538516 },
  848. { 0.241237, 0.296485, 0.539709 },
  849. { 0.239346, 0.300855, 0.540844 },
  850. { 0.237441, 0.305202, 0.541921 },
  851. { 0.235526, 0.309527, 0.542944 },
  852. { 0.233603, 0.313828, 0.543914 },
  853. { 0.231674, 0.318106, 0.544834 },
  854. { 0.229739, 0.322361, 0.545706 },
  855. { 0.227802, 0.326594, 0.546532 },
  856. { 0.225863, 0.330805, 0.547314 },
  857. { 0.223925, 0.334994, 0.548053 },
  858. { 0.221989, 0.339161, 0.548752 },
  859. { 0.220057, 0.343307, 0.549413 },
  860. { 0.218130, 0.347432, 0.550038 },
  861. { 0.216210, 0.351535, 0.550627 },
  862. { 0.214298, 0.355619, 0.551184 },
  863. { 0.212395, 0.359683, 0.551710 },
  864. { 0.210503, 0.363727, 0.552206 },
  865. { 0.208623, 0.367752, 0.552675 },
  866. { 0.206756, 0.371758, 0.553117 },
  867. { 0.204903, 0.375746, 0.553533 },
  868. { 0.203063, 0.379716, 0.553925 },
  869. { 0.201239, 0.383670, 0.554294 },
  870. { 0.199430, 0.387607, 0.554642 },
  871. { 0.197636, 0.391528, 0.554969 },
  872. { 0.195860, 0.395433, 0.555276 },
  873. { 0.194100, 0.399323, 0.555565 },
  874. { 0.192357, 0.403199, 0.555836 },
  875. { 0.190631, 0.407061, 0.556089 },
  876. { 0.188923, 0.410910, 0.556326 },
  877. { 0.187231, 0.414746, 0.556547 },
  878. { 0.185556, 0.418570, 0.556753 },
  879. { 0.183898, 0.422383, 0.556944 },
  880. { 0.182256, 0.426184, 0.557120 },
  881. { 0.180629, 0.429975, 0.557282 },
  882. { 0.179019, 0.433756, 0.557430 },
  883. { 0.177423, 0.437527, 0.557565 },
  884. { 0.175841, 0.441290, 0.557685 },
  885. { 0.174274, 0.445044, 0.557792 },
  886. { 0.172719, 0.448791, 0.557885 },
  887. { 0.171176, 0.452530, 0.557965 },
  888. { 0.169646, 0.456262, 0.558030 },
  889. { 0.168126, 0.459988, 0.558082 },
  890. { 0.166617, 0.463708, 0.558119 },
  891. { 0.165117, 0.467423, 0.558141 },
  892. { 0.163625, 0.471133, 0.558148 },
  893. { 0.162142, 0.474838, 0.558140 },
  894. { 0.160665, 0.478540, 0.558115 },
  895. { 0.159194, 0.482237, 0.558073 },
  896. { 0.157729, 0.485932, 0.558013 },
  897. { 0.156270, 0.489624, 0.557936 },
  898. { 0.154815, 0.493313, 0.557840 },
  899. { 0.153364, 0.497000, 0.557724 },
  900. { 0.151918, 0.500685, 0.557587 },
  901. { 0.150476, 0.504369, 0.557430 },
  902. { 0.149039, 0.508051, 0.557250 },
  903. { 0.147607, 0.511733, 0.557049 },
  904. { 0.146180, 0.515413, 0.556823 },
  905. { 0.144759, 0.519093, 0.556572 },
  906. { 0.143343, 0.522773, 0.556295 },
  907. { 0.141935, 0.526453, 0.555991 },
  908. { 0.140536, 0.530132, 0.555659 },
  909. { 0.139147, 0.533812, 0.555298 },
  910. { 0.137770, 0.537492, 0.554906 },
  911. { 0.136408, 0.541173, 0.554483 },
  912. { 0.135066, 0.544853, 0.554029 },
  913. { 0.133743, 0.548535, 0.553541 },
  914. { 0.132444, 0.552216, 0.553018 },
  915. { 0.131172, 0.555899, 0.552459 },
  916. { 0.129933, 0.559582, 0.551864 },
  917. { 0.128729, 0.563265, 0.551229 },
  918. { 0.127568, 0.566949, 0.550556 },
  919. { 0.126453, 0.570633, 0.549841 },
  920. { 0.125394, 0.574318, 0.549086 },
  921. { 0.124395, 0.578002, 0.548287 },
  922. { 0.123463, 0.581687, 0.547445 },
  923. { 0.122606, 0.585371, 0.546557 },
  924. { 0.121831, 0.589055, 0.545623 },
  925. { 0.121148, 0.592739, 0.544641 },
  926. { 0.120565, 0.596422, 0.543611 },
  927. { 0.120092, 0.600104, 0.542530 },
  928. { 0.119738, 0.603785, 0.541400 },
  929. { 0.119512, 0.607464, 0.540218 },
  930. { 0.119423, 0.611141, 0.538982 },
  931. { 0.119483, 0.614817, 0.537692 },
  932. { 0.119699, 0.618490, 0.536347 },
  933. { 0.120081, 0.622161, 0.534946 },
  934. { 0.120638, 0.625828, 0.533488 },
  935. { 0.121380, 0.629492, 0.531973 },
  936. { 0.122312, 0.633153, 0.530398 },
  937. { 0.123444, 0.636809, 0.528763 },
  938. { 0.124780, 0.640461, 0.527068 },
  939. { 0.126326, 0.644107, 0.525311 },
  940. { 0.128087, 0.647749, 0.523491 },
  941. { 0.130067, 0.651384, 0.521608 },
  942. { 0.132268, 0.655014, 0.519661 },
  943. { 0.134692, 0.658636, 0.517649 },
  944. { 0.137339, 0.662252, 0.515571 },
  945. { 0.140210, 0.665859, 0.513427 },
  946. { 0.143303, 0.669459, 0.511215 },
  947. { 0.146616, 0.673050, 0.508936 },
  948. { 0.150148, 0.676631, 0.506589 },
  949. { 0.153894, 0.680203, 0.504172 },
  950. { 0.157851, 0.683765, 0.501686 },
  951. { 0.162016, 0.687316, 0.499129 },
  952. { 0.166383, 0.690856, 0.496502 },
  953. { 0.170948, 0.694384, 0.493803 },
  954. { 0.175707, 0.697900, 0.491033 },
  955. { 0.180653, 0.701402, 0.488189 },
  956. { 0.185783, 0.704891, 0.485273 },
  957. { 0.191090, 0.708366, 0.482284 },
  958. { 0.196571, 0.711827, 0.479221 },
  959. { 0.202219, 0.715272, 0.476084 },
  960. { 0.208030, 0.718701, 0.472873 },
  961. { 0.214000, 0.722114, 0.469588 },
  962. { 0.220124, 0.725509, 0.466226 },
  963. { 0.226397, 0.728888, 0.462789 },
  964. { 0.232815, 0.732247, 0.459277 },
  965. { 0.239374, 0.735588, 0.455688 },
  966. { 0.246070, 0.738910, 0.452024 },
  967. { 0.252899, 0.742211, 0.448284 },
  968. { 0.259857, 0.745492, 0.444467 },
  969. { 0.266941, 0.748751, 0.440573 },
  970. { 0.274149, 0.751988, 0.436601 },
  971. { 0.281477, 0.755203, 0.432552 },
  972. { 0.288921, 0.758394, 0.428426 },
  973. { 0.296479, 0.761561, 0.424223 },
  974. { 0.304148, 0.764704, 0.419943 },
  975. { 0.311925, 0.767822, 0.415586 },
  976. { 0.319809, 0.770914, 0.411152 },
  977. { 0.327796, 0.773980, 0.406640 },
  978. { 0.335885, 0.777018, 0.402049 },
  979. { 0.344074, 0.780029, 0.397381 },
  980. { 0.352360, 0.783011, 0.392636 },
  981. { 0.360741, 0.785964, 0.387814 },
  982. { 0.369214, 0.788888, 0.382914 },
  983. { 0.377779, 0.791781, 0.377939 },
  984. { 0.386433, 0.794644, 0.372886 },
  985. { 0.395174, 0.797475, 0.367757 },
  986. { 0.404001, 0.800275, 0.362552 },
  987. { 0.412913, 0.803041, 0.357269 },
  988. { 0.421908, 0.805774, 0.351910 },
  989. { 0.430983, 0.808473, 0.346476 },
  990. { 0.440137, 0.811138, 0.340967 },
  991. { 0.449368, 0.813768, 0.335384 },
  992. { 0.458674, 0.816363, 0.329727 },
  993. { 0.468053, 0.818921, 0.323998 },
  994. { 0.477504, 0.821444, 0.318195 },
  995. { 0.487026, 0.823929, 0.312321 },
  996. { 0.496615, 0.826376, 0.306377 },
  997. { 0.506271, 0.828786, 0.300362 },
  998. { 0.515992, 0.831158, 0.294279 },
  999. { 0.525776, 0.833491, 0.288127 },
  1000. { 0.535621, 0.835785, 0.281908 },
  1001. { 0.545524, 0.838039, 0.275626 },
  1002. { 0.555484, 0.840254, 0.269281 },
  1003. { 0.565498, 0.842430, 0.262877 },
  1004. { 0.575563, 0.844566, 0.256415 },
  1005. { 0.585678, 0.846661, 0.249897 },
  1006. { 0.595839, 0.848717, 0.243329 },
  1007. { 0.606045, 0.850733, 0.236712 },
  1008. { 0.616293, 0.852709, 0.230052 },
  1009. { 0.626579, 0.854645, 0.223353 },
  1010. { 0.636902, 0.856542, 0.216620 },
  1011. { 0.647257, 0.858400, 0.209861 },
  1012. { 0.657642, 0.860219, 0.203082 },
  1013. { 0.668054, 0.861999, 0.196293 },
  1014. { 0.678489, 0.863742, 0.189503 },
  1015. { 0.688944, 0.865448, 0.182725 },
  1016. { 0.699415, 0.867117, 0.175971 },
  1017. { 0.709898, 0.868751, 0.169257 },
  1018. { 0.720391, 0.870350, 0.162603 },
  1019. { 0.730889, 0.871916, 0.156029 },
  1020. { 0.741388, 0.873449, 0.149561 },
  1021. { 0.751884, 0.874951, 0.143228 },
  1022. { 0.762373, 0.876424, 0.137064 },
  1023. { 0.772852, 0.877868, 0.131109 },
  1024. { 0.783315, 0.879285, 0.125405 },
  1025. { 0.793760, 0.880678, 0.120005 },
  1026. { 0.804182, 0.882046, 0.114965 },
  1027. { 0.814576, 0.883393, 0.110347 },
  1028. { 0.824940, 0.884720, 0.106217 },
  1029. { 0.835270, 0.886029, 0.102646 },
  1030. { 0.845561, 0.887322, 0.099702 },
  1031. { 0.855810, 0.888601, 0.097452 },
  1032. { 0.866013, 0.889868, 0.095953 },
  1033. { 0.876168, 0.891125, 0.095250 },
  1034. { 0.886271, 0.892374, 0.095374 },
  1035. { 0.896320, 0.893616, 0.096335 },
  1036. { 0.906311, 0.894855, 0.098125 },
  1037. { 0.916242, 0.896091, 0.100717 },
  1038. { 0.926106, 0.897330, 0.104071 },
  1039. { 0.935904, 0.898570, 0.108131 },
  1040. { 0.945636, 0.899815, 0.112838 },
  1041. { 0.955300, 0.901065, 0.118128 },
  1042. { 0.964894, 0.902323, 0.123941 },
  1043. { 0.974417, 0.903590, 0.130215 },
  1044. { 0.983868, 0.904867, 0.136897 },
  1045. { 0.993248, 0.906157, 0.143936 }
  1046. };
  1047. static double parula_cm[256][3] = {
  1048. { 0.2081, 0.1663, 0.5292 },
  1049. { 0.2091, 0.1721, 0.5411 },
  1050. { 0.2101, 0.1779, 0.553 },
  1051. { 0.2109, 0.1837, 0.565 },
  1052. { 0.2116, 0.1895, 0.5771 },
  1053. { 0.2121, 0.1954, 0.5892 },
  1054. { 0.2124, 0.2013, 0.6013 },
  1055. { 0.2125, 0.2072, 0.6135 },
  1056. { 0.2123, 0.2132, 0.6258 },
  1057. { 0.2118, 0.2192, 0.6381 },
  1058. { 0.2111, 0.2253, 0.6505 },
  1059. { 0.2099, 0.2315, 0.6629 },
  1060. { 0.2084, 0.2377, 0.6753 },
  1061. { 0.2063, 0.244, 0.6878 },
  1062. { 0.2038, 0.2503, 0.7003 },
  1063. { 0.2006, 0.2568, 0.7129 },
  1064. { 0.1968, 0.2632, 0.7255 },
  1065. { 0.1921, 0.2698, 0.7381 },
  1066. { 0.1867, 0.2764, 0.7507 },
  1067. { 0.1802, 0.2832, 0.7634 },
  1068. { 0.1728, 0.2902, 0.7762 },
  1069. { 0.1641, 0.2975, 0.789 },
  1070. { 0.1541, 0.3052, 0.8017 },
  1071. { 0.1427, 0.3132, 0.8145 },
  1072. { 0.1295, 0.3217, 0.8269 },
  1073. { 0.1147, 0.3306, 0.8387 },
  1074. { 0.0986, 0.3397, 0.8495 },
  1075. { 0.0816, 0.3486, 0.8588 },
  1076. { 0.0646, 0.3572, 0.8664 },
  1077. { 0.0482, 0.3651, 0.8722 },
  1078. { 0.0329, 0.3724, 0.8765 },
  1079. { 0.0213, 0.3792, 0.8796 },
  1080. { 0.0136, 0.3853, 0.8815 },
  1081. { 0.0086, 0.3911, 0.8827 },
  1082. { 0.006, 0.3965, 0.8833 },
  1083. { 0.0051, 0.4017, 0.8834 },
  1084. { 0.0054, 0.4066, 0.8831 },
  1085. { 0.0067, 0.4113, 0.8825 },
  1086. { 0.0089, 0.4159, 0.8816 },
  1087. { 0.0116, 0.4203, 0.8805 },
  1088. { 0.0148, 0.4246, 0.8793 },
  1089. { 0.0184, 0.4288, 0.8779 },
  1090. { 0.0223, 0.4329, 0.8763 },
  1091. { 0.0264, 0.437, 0.8747 },
  1092. { 0.0306, 0.441, 0.8729 },
  1093. { 0.0349, 0.4449, 0.8711 },
  1094. { 0.0394, 0.4488, 0.8692 },
  1095. { 0.0437, 0.4526, 0.8672 },
  1096. { 0.0477, 0.4564, 0.8652 },
  1097. { 0.0514, 0.4602, 0.8632 },
  1098. { 0.0549, 0.464, 0.8611 },
  1099. { 0.0582, 0.4677, 0.8589 },
  1100. { 0.0612, 0.4714, 0.8568 },
  1101. { 0.064, 0.4751, 0.8546 },
  1102. { 0.0666, 0.4788, 0.8525 },
  1103. { 0.0689, 0.4825, 0.8503 },
  1104. { 0.071, 0.4862, 0.8481 },
  1105. { 0.0729, 0.4899, 0.846 },
  1106. { 0.0746, 0.4937, 0.8439 },
  1107. { 0.0761, 0.4974, 0.8418 },
  1108. { 0.0773, 0.5012, 0.8398 },
  1109. { 0.0782, 0.5051, 0.8378 },
  1110. { 0.0789, 0.5089, 0.8359 },
  1111. { 0.0794, 0.5129, 0.8341 },
  1112. { 0.0795, 0.5169, 0.8324 },
  1113. { 0.0793, 0.521, 0.8308 },
  1114. { 0.0788, 0.5251, 0.8293 },
  1115. { 0.0778, 0.5295, 0.828 },
  1116. { 0.0764, 0.5339, 0.827 },
  1117. { 0.0746, 0.5384, 0.8261 },
  1118. { 0.0724, 0.5431, 0.8253 },
  1119. { 0.0698, 0.5479, 0.8247 },
  1120. { 0.0668, 0.5527, 0.8243 },
  1121. { 0.0636, 0.5577, 0.8239 },
  1122. { 0.06, 0.5627, 0.8237 },
  1123. { 0.0562, 0.5677, 0.8234 },
  1124. { 0.0523, 0.5727, 0.8231 },
  1125. { 0.0484, 0.5777, 0.8228 },
  1126. { 0.0445, 0.5826, 0.8223 },
  1127. { 0.0408, 0.5874, 0.8217 },
  1128. { 0.0372, 0.5922, 0.8209 },
  1129. { 0.0342, 0.5968, 0.8198 },
  1130. { 0.0317, 0.6012, 0.8186 },
  1131. { 0.0296, 0.6055, 0.8171 },
  1132. { 0.0279, 0.6097, 0.8154 },
  1133. { 0.0265, 0.6137, 0.8135 },
  1134. { 0.0255, 0.6176, 0.8114 },
  1135. { 0.0248, 0.6214, 0.8091 },
  1136. { 0.0243, 0.625, 0.8066 },
  1137. { 0.0239, 0.6285, 0.8039 },
  1138. { 0.0237, 0.6319, 0.801 },
  1139. { 0.0235, 0.6352, 0.798 },
  1140. { 0.0233, 0.6384, 0.7948 },
  1141. { 0.0231, 0.6415, 0.7916 },
  1142. { 0.023, 0.6445, 0.7881 },
  1143. { 0.0229, 0.6474, 0.7846 },
  1144. { 0.0227, 0.6503, 0.781, },
  1145. { 0.0227, 0.6531, 0.7773 },
  1146. { 0.0232, 0.6558, 0.7735 },
  1147. { 0.0238, 0.6585, 0.7696 },
  1148. { 0.0246, 0.6611, 0.7656 },
  1149. { 0.0263, 0.6637, 0.7615 },
  1150. { 0.0282, 0.6663, 0.7574 },
  1151. { 0.0306, 0.6688, 0.7532 },
  1152. { 0.0338, 0.6712, 0.749 },
  1153. { 0.0373, 0.6737, 0.7446 },
  1154. { 0.0418, 0.6761, 0.7402 },
  1155. { 0.0467, 0.6784, 0.7358 },
  1156. { 0.0516, 0.6808, 0.7313 },
  1157. { 0.0574, 0.6831, 0.7267 },
  1158. { 0.0629, 0.6854, 0.7221 },
  1159. { 0.0692, 0.6877, 0.7173 },
  1160. { 0.0755, 0.6899, 0.7126 },
  1161. { 0.082, 0.6921, 0.7078 },
  1162. { 0.0889, 0.6943, 0.7029 },
  1163. { 0.0956, 0.6965, 0.6979 },
  1164. { 0.1031, 0.6986, 0.6929 },
  1165. { 0.1104, 0.7007, 0.6878 },
  1166. { 0.118, 0.7028, 0.6827 },
  1167. { 0.1258, 0.7049, 0.6775 },
  1168. { 0.1335, 0.7069, 0.6723 },
  1169. { 0.1418, 0.7089, 0.6669 },
  1170. { 0.1499, 0.7109, 0.6616 },
  1171. { 0.1585, 0.7129, 0.6561 },
  1172. { 0.1671, 0.7148, 0.6507 },
  1173. { 0.1758, 0.7168, 0.6451 },
  1174. { 0.1849, 0.7186, 0.6395 },
  1175. { 0.1938, 0.7205, 0.6338 },
  1176. { 0.2033, 0.7223, 0.6281 },
  1177. { 0.2128, 0.7241, 0.6223 },
  1178. { 0.2224, 0.7259, 0.6165 },
  1179. { 0.2324, 0.7275, 0.6107 },
  1180. { 0.2423, 0.7292, 0.6048 },
  1181. { 0.2527, 0.7308, 0.5988 },
  1182. { 0.2631, 0.7324, 0.5929 },
  1183. { 0.2735, 0.7339, 0.5869 },
  1184. { 0.2845, 0.7354, 0.5809 },
  1185. { 0.2953, 0.7368, 0.5749 },
  1186. { 0.3064, 0.7381, 0.5689 },
  1187. { 0.3177, 0.7394, 0.563 },
  1188. { 0.3289, 0.7406, 0.557 },
  1189. { 0.3405, 0.7417, 0.5512 },
  1190. { 0.352, 0.7428, 0.5453 },
  1191. { 0.3635, 0.7438, 0.5396 },
  1192. { 0.3753, 0.7446, 0.5339 },
  1193. { 0.3869, 0.7454, 0.5283 },
  1194. { 0.3986, 0.7461, 0.5229 },
  1195. { 0.4103, 0.7467, 0.5175 },
  1196. { 0.4218, 0.7473, 0.5123 },
  1197. { 0.4334, 0.7477, 0.5072 },
  1198. { 0.4447, 0.7482, 0.5021 },
  1199. { 0.4561, 0.7485, 0.4972 },
  1200. { 0.4672, 0.7487, 0.4924 },
  1201. { 0.4783, 0.7489, 0.4877 },
  1202. { 0.4892, 0.7491, 0.4831 },
  1203. { 0.5, 0.7491, 0.4786 },
  1204. { 0.5106, 0.7492, 0.4741 },
  1205. { 0.5212, 0.7492, 0.4698 },
  1206. { 0.5315, 0.7491, 0.4655 },
  1207. { 0.5418, 0.749, 0.4613 },
  1208. { 0.5519, 0.7489, 0.4571 },
  1209. { 0.5619, 0.7487, 0.4531 },
  1210. { 0.5718, 0.7485, 0.449 },
  1211. { 0.5816, 0.7482, 0.4451 },
  1212. { 0.5913, 0.7479, 0.4412 },
  1213. { 0.6009, 0.7476, 0.4374 },
  1214. { 0.6103, 0.7473, 0.4335 },
  1215. { 0.6197, 0.7469, 0.4298 },
  1216. { 0.629, 0.7465, 0.4261 },
  1217. { 0.6382, 0.746, 0.4224 },
  1218. { 0.6473, 0.7456, 0.4188 },
  1219. { 0.6564, 0.7451, 0.4152 },
  1220. { 0.6653, 0.7446, 0.4116 },
  1221. { 0.6742, 0.7441, 0.4081 },
  1222. { 0.683, 0.7435, 0.4046 },
  1223. { 0.6918, 0.743, 0.4011 },
  1224. { 0.7004, 0.7424, 0.3976 },
  1225. { 0.7091, 0.7418, 0.3942 },
  1226. { 0.7176, 0.7412, 0.3908 },
  1227. { 0.7261, 0.7405, 0.3874 },
  1228. { 0.7346, 0.7399, 0.384 },
  1229. { 0.743, 0.7392, 0.3806 },
  1230. { 0.7513, 0.7385, 0.3773 },
  1231. { 0.7596, 0.7378, 0.3739 },
  1232. { 0.7679, 0.7372, 0.3706 },
  1233. { 0.7761, 0.7364, 0.3673 },
  1234. { 0.7843, 0.7357, 0.3639 },
  1235. { 0.7924, 0.735, 0.3606 },
  1236. { 0.8005, 0.7343, 0.3573 },
  1237. { 0.8085, 0.7336, 0.3539 },
  1238. { 0.8166, 0.7329, 0.3506 },
  1239. { 0.8246, 0.7322, 0.3472 },
  1240. { 0.8325, 0.7315, 0.3438 },
  1241. { 0.8405, 0.7308, 0.3404 },
  1242. { 0.8484, 0.7301, 0.337 },
  1243. { 0.8563, 0.7294, 0.3336 },
  1244. { 0.8642, 0.7288, 0.33 },
  1245. { 0.872, 0.7282, 0.3265 },
  1246. { 0.8798, 0.7276, 0.3229 },
  1247. { 0.8877, 0.7271, 0.3193 },
  1248. { 0.8954, 0.7266, 0.3156 },
  1249. { 0.9032, 0.7262, 0.3117 },
  1250. { 0.911, 0.7259, 0.3078 },
  1251. { 0.9187, 0.7256, 0.3038 },
  1252. { 0.9264, 0.7256, 0.2996 },
  1253. { 0.9341, 0.7256, 0.2953 },
  1254. { 0.9417, 0.7259, 0.2907 },
  1255. { 0.9493, 0.7264, 0.2859 },
  1256. { 0.9567, 0.7273, 0.2808 },
  1257. { 0.9639, 0.7285, 0.2754 },
  1258. { 0.9708, 0.7303, 0.2696 },
  1259. { 0.9773, 0.7326, 0.2634 },
  1260. { 0.9831, 0.7355, 0.257 },
  1261. { 0.9882, 0.739, 0.2504 },
  1262. { 0.9922, 0.7431, 0.2437 },
  1263. { 0.9952, 0.7476, 0.2373 },
  1264. { 0.9973, 0.7524, 0.231 },
  1265. { 0.9986, 0.7573, 0.2251 },
  1266. { 0.9991, 0.7624, 0.2195 },
  1267. { 0.999, 0.7675, 0.2141 },
  1268. { 0.9985, 0.7726, 0.209 },
  1269. { 0.9976, 0.7778, 0.2042 },
  1270. { 0.9964, 0.7829, 0.1995 },
  1271. { 0.995, 0.788, 0.1949 },
  1272. { 0.9933, 0.7931, 0.1905 },
  1273. { 0.9914, 0.7981, 0.1863 },
  1274. { 0.9894, 0.8032, 0.1821 },
  1275. { 0.9873, 0.8083, 0.178 },
  1276. { 0.9851, 0.8133, 0.174 },
  1277. { 0.9828, 0.8184, 0.17 },
  1278. { 0.9805, 0.8235, 0.1661 },
  1279. { 0.9782, 0.8286, 0.1622 },
  1280. { 0.9759, 0.8337, 0.1583 },
  1281. { 0.9736, 0.8389, 0.1544 },
  1282. { 0.9713, 0.8441, 0.1505 },
  1283. { 0.9692, 0.8494, 0.1465 },
  1284. { 0.9672, 0.8548, 0.1425 },
  1285. { 0.9654, 0.8603, 0.1385 },
  1286. { 0.9638, 0.8659, 0.1343 },
  1287. { 0.9623, 0.8716, 0.1301 },
  1288. { 0.9611, 0.8774, 0.1258 },
  1289. { 0.96, 0.8834, 0.1215 },
  1290. { 0.9593, 0.8895, 0.1171 },
  1291. { 0.9588, 0.8958, 0.1126 },
  1292. { 0.9586, 0.9022, 0.1082 },
  1293. { 0.9587, 0.9088, 0.1036 },
  1294. { 0.9591, 0.9155, 0.099 },
  1295. { 0.9599, 0.9225, 0.0944 },
  1296. { 0.961, 0.9296, 0.0897 },
  1297. { 0.9624, 0.9368, 0.085 },
  1298. { 0.9641, 0.9443, 0.0802 },
  1299. { 0.9662, 0.9518, 0.0753 },
  1300. { 0.9685, 0.9595, 0.0703 },
  1301. { 0.971, 0.9673, 0.0651 },
  1302. { 0.9736, 0.9752, 0.0597 },
  1303. { 0.9763, 0.9831, 0.0538 }
  1304. };
  1305. }
  1306. template <typename T>
  1307. IGL_INLINE void igl::colormap(const ColorMapType cm, const T x, T * rgb)
  1308. {
  1309. return colormap(cm,x,rgb[0],rgb[1],rgb[2]);
  1310. }
  1311. template <typename T>
  1312. IGL_INLINE void igl::colormap(
  1313. const ColorMapType cm, const T x_in, T & r, T & g, T & b)
  1314. {
  1315. switch (cm)
  1316. {
  1317. case COLOR_MAP_TYPE_INFERNO:
  1318. colormap(inferno_cm, x_in, r, g, b);
  1319. break;
  1320. case COLOR_MAP_TYPE_JET:
  1321. jet(x_in, r, g, b);
  1322. break;
  1323. case COLOR_MAP_TYPE_MAGMA:
  1324. colormap(magma_cm, x_in, r, g, b);
  1325. break;
  1326. case COLOR_MAP_TYPE_PARULA:
  1327. colormap(parula_cm, x_in, r, g, b);
  1328. break;
  1329. case COLOR_MAP_TYPE_PLASMA:
  1330. colormap(plasma_cm, x_in, r, g, b);
  1331. break;
  1332. case COLOR_MAP_TYPE_VIRIDIS:
  1333. colormap(viridis_cm, x_in, r, g, b);
  1334. break;
  1335. default:
  1336. throw std::invalid_argument("igl::colormap(): Selected colormap is unsupported!");
  1337. break;
  1338. }
  1339. }
  1340. template <typename T>
  1341. IGL_INLINE void igl::colormap(
  1342. const double palette[256][3], const T x_in, T & r, T & g, T & b)
  1343. {
  1344. static const unsigned int pal = 256;
  1345. const T zero = 0.0;
  1346. const T one = 1.0;
  1347. T x_in_clamped = static_cast<T>(std::max(zero, std::min(one, x_in)));
  1348. // simple rgb lerp from palette
  1349. unsigned int least = std::floor(x_in_clamped * static_cast<T>(pal - 1));
  1350. unsigned int most = std::ceil(x_in_clamped * static_cast<T>(pal - 1));
  1351. T _r[2] = { static_cast<T>(palette[least][0]), static_cast<T>(palette[most][0]) };
  1352. T _g[2] = { static_cast<T>(palette[least][1]), static_cast<T>(palette[most][1]) };
  1353. T _b[2] = { static_cast<T>(palette[least][2]), static_cast<T>(palette[most][2]) };
  1354. T t = std::max(zero, std::min(one, static_cast<T>(fmod(x_in_clamped * static_cast<T>(pal), one))));
  1355. r = std::max(zero, std::min(one, (one - t) * _r[0] + t * _r[1]));
  1356. g = std::max(zero, std::min(one, (one - t) * _g[0] + t * _g[1]));
  1357. b = std::max(zero, std::min(one, (one - t) * _b[0] + t * _b[1]));
  1358. }
  1359. template <typename DerivedZ, typename DerivedC>
  1360. IGL_INLINE void igl::colormap(
  1361. const ColorMapType cm,
  1362. const Eigen::MatrixBase<DerivedZ> & Z,
  1363. const bool normalize,
  1364. Eigen::PlainObjectBase<DerivedC> & C)
  1365. {
  1366. const double min_z = normalize ? Z.minCoeff() : 0;
  1367. const double max_z = normalize ? Z.maxCoeff() : 1;
  1368. return colormap(cm, Z, min_z, max_z, C);
  1369. }
  1370. template <typename DerivedZ, typename DerivedC>
  1371. IGL_INLINE void igl::colormap(
  1372. const ColorMapType cm,
  1373. const Eigen::MatrixBase<DerivedZ> & Z,
  1374. const double min_z,
  1375. const double max_z,
  1376. Eigen::PlainObjectBase<DerivedC> & C)
  1377. {
  1378. C.resize(Z.rows(),3);
  1379. double denom = (max_z - min_z);
  1380. denom = (denom == 0) ? 1 : denom;
  1381. for(int r = 0; r < Z.rows(); ++r) {
  1382. colormap(
  1383. cm,
  1384. (typename DerivedC::Scalar)((-min_z + Z(r,0)) / denom),
  1385. C(r,0),
  1386. C(r,1),
  1387. C(r,2));
  1388. }
  1389. }
  1390. #ifdef IGL_STATIC_LIBRARY
  1391. // Explicit template instantiation
  1392. // generated by autoexplicit.sh
  1393. template void igl::colormap<float>(igl::ColorMapType, float, float*);
  1394. // generated by autoexplicit.sh
  1395. template void igl::colormap<Eigen::Matrix<int, -1, 1, 0, -1, 1>, Eigen::Matrix<double, -1, -1, 0, -1, -1> >(igl::ColorMapType, Eigen::MatrixBase<Eigen::Matrix<int, -1, 1, 0, -1, 1> > const&, bool, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> >&);
  1396. // generated by autoexplicit.sh
  1397. template void igl::colormap<Eigen::Matrix<float, -1, 1, 0, -1, 1>, Eigen::Matrix<double, -1, -1, 0, -1, -1> >(igl::ColorMapType, Eigen::MatrixBase<Eigen::Matrix<float, -1, 1, 0, -1, 1> > const&, double, double, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> >&);
  1398. // generated by autoexplicit.sh
  1399. template void igl::colormap<Eigen::Matrix<double, -1, 1, 0, -1, 1>, Eigen::Matrix<double, -1, -1, 0, -1, -1> >(igl::ColorMapType, Eigen::MatrixBase<Eigen::Matrix<double, -1, 1, 0, -1, 1> > const&, double, double, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> >&);
  1400. // generated by autoexplicit.sh
  1401. template void igl::colormap<Eigen::Array<double, -1, 1, 0, -1, 1>, Eigen::Matrix<double, -1, -1, 0, -1, -1> >(igl::ColorMapType, Eigen::MatrixBase<Eigen::Array<double, -1, 1, 0, -1, 1> > const&, bool, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> >&);
  1402. // generated by autoexplicit.sh
  1403. template void igl::colormap<double>(igl::ColorMapType, double, double&, double&, double&);
  1404. // generated by autoexplicit.sh
  1405. template void igl::colormap<double>(igl::ColorMapType, double, double*);
  1406. // generated by autoexplicit.sh
  1407. template void igl::colormap<Eigen::Matrix<int, -1, 1, 0, -1, 1>, Eigen::Matrix<double, -1, -1, 0, -1, -1> >(igl::ColorMapType, Eigen::MatrixBase<Eigen::Matrix<int, -1, 1, 0, -1, 1> > const&, double, double, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> >&);
  1408. // generated by autoexplicit.sh
  1409. template void igl::colormap<Eigen::Matrix<double, -1, -1, 0, -1, -1>, Eigen::Matrix<double, -1, -1, 0, -1, -1> >(igl::ColorMapType, Eigen::MatrixBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> > const&, double, double, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> >&);
  1410. // generated by autoexplicit.sh
  1411. template void igl::colormap<Eigen::Matrix<double, -1, -1, 0, -1, -1>, Eigen::Matrix<double, -1, -1, 0, -1, -1> >(igl::ColorMapType, Eigen::MatrixBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> > const&, bool, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> >&);
  1412. // generated by autoexplicit.sh
  1413. template void igl::colormap<Eigen::Matrix<double, -1, 1, 0, -1, 1>, Eigen::Matrix<double, -1, -1, 0, -1, -1> >(igl::ColorMapType, Eigen::MatrixBase<Eigen::Matrix<double, -1, 1, 0, -1, 1> > const&, bool, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> >&);
  1414. // generated by autoexplicit.sh
  1415. template void igl::colormap<Eigen::Array<int, -1, 1, 0, -1, 1>, Eigen::Matrix<double, -1, -1, 0, -1, -1> >(igl::ColorMapType, Eigen::MatrixBase<Eigen::Array<int, -1, 1, 0, -1, 1> > const&, bool, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> >&);
  1416. template void igl::colormap<Eigen::Matrix<double, -1, -1, 0, -1, -1>, Eigen::Matrix<double, -1, 3, 0, -1, 3> >(igl::ColorMapType, Eigen::MatrixBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> > const&, bool, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, 3, 0, -1, 3> >&);
  1417. #endif