toolbox/misc/cmap_magma.m
function C = cmap_magma(N)
% @=============================================================================
% This function is part of the Brainstorm software:
% https://neuroimage.usc.edu/brainstorm
% 
% Copyright (c) University of Southern California & McGill University
% This software is distributed under the terms of the GNU General Public License
% as published by the Free Software Foundation. Further details on the GPLv3
% license can be found at http://www.gnu.org/copyleft/gpl.html.
% 
% FOR RESEARCH PURPOSES ONLY. THE SOFTWARE IS PROVIDED "AS IS," AND THE
% UNIVERSITY OF SOUTHERN CALIFORNIA AND ITS COLLABORATORS DO NOT MAKE ANY
% WARRANTY, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTIES OF
% MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, NOR DO THEY ASSUME ANY
% LIABILITY OR RESPONSIBILITY FOR THE USE OF THIS SOFTWARE.
%
% For more information type "brainstorm license" at command prompt.
% =============================================================================@
%
% Authors: Rana El Khoury, 2019

%   mpl-colormap by Nathaniel Smith & Stefan van der Walt
%   Taken from https://bids.github.io/colormap/


cmap =  [       0.001462, 0.000466, 0.013866

                0.002258, 0.001295, 0.018331

                0.003279, 0.002305, 0.023708

                0.004512, 0.003490, 0.029965

                0.005950, 0.004843, 0.037130

                0.007588, 0.006356, 0.044973 

                0.009426, 0.008022, 0.052844 

                0.011465, 0.009828, 0.060750 

                0.013708, 0.011771, 0.068667 

                0.016156, 0.013840, 0.076603 

                0.018815, 0.016026, 0.084584 

                0.021692, 0.018320, 0.092610 

                0.024792, 0.020715, 0.100676 

                0.028123, 0.023201, 0.108787 

                0.031696, 0.025765, 0.116965 

                0.035520, 0.028397, 0.125209 

                0.039608, 0.031090, 0.133515 

                0.043830, 0.033830, 0.141886 

                0.048062, 0.036607, 0.150327 

                0.052320, 0.039407, 0.158841 

                0.056615, 0.042160, 0.167446 

                0.060949, 0.044794, 0.176129 

                0.065330, 0.047318, 0.184892 

                0.069764, 0.049726, 0.193735 

                0.074257, 0.052017, 0.202660 

                0.078815, 0.054184, 0.211667 

                0.083446, 0.056225, 0.220755 

                0.088155, 0.058133, 0.229922 

                0.092949, 0.059904, 0.239164 

                0.097833, 0.061531, 0.248477 

                0.102815, 0.063010, 0.257854 

                0.107899, 0.064335, 0.267289 

                0.113094, 0.065492, 0.276784 

                0.118405, 0.066479, 0.286321 

                0.123833, 0.067295, 0.295879 

                0.129380, 0.067935, 0.305443 

                0.135053, 0.068391, 0.315000 

                0.140858, 0.068654, 0.324538 

                0.146785, 0.068738, 0.334011 

                0.152839, 0.068637, 0.343404 

                0.159018, 0.068354, 0.352688 

                0.165308, 0.067911, 0.361816 

                0.171713, 0.067305, 0.370771 

                0.178212, 0.066576, 0.379497 

                0.184801, 0.065732, 0.387973 

                0.191460, 0.064818, 0.396152 

                0.198177, 0.063862, 0.404009 

                0.204935, 0.062907, 0.411514 

                0.211718, 0.061992, 0.418647 

                0.218512, 0.061158, 0.425392 

                0.225302, 0.060445, 0.431742 

                0.232077, 0.059889, 0.437695 

                0.238826, 0.059517, 0.443256 

                0.245543, 0.059352, 0.448436 

                0.252220, 0.059415, 0.453248 

                0.258857, 0.059706, 0.457710 

                0.265447, 0.060237, 0.461840 

                0.271994, 0.060994, 0.465660 

                0.278493, 0.061978, 0.469190 

                0.284951, 0.063168, 0.472451 

                0.291366, 0.064553, 0.475462 

                0.297740, 0.066117, 0.478243 

                0.304081, 0.067835, 0.480812 

                0.310382, 0.069702, 0.483186 

                0.316654, 0.071690, 0.485380 

                0.322899, 0.073782, 0.487408 

                0.329114, 0.075972, 0.489287 

                0.335308, 0.078236, 0.491024 

                0.341482, 0.080564, 0.492631 

                0.347636, 0.082946, 0.494121 

                0.353773, 0.085373, 0.495501 

                0.359898, 0.087831, 0.496778 

                0.366012, 0.090314, 0.497960 

                0.372116, 0.092816, 0.499053 

                0.378211, 0.095332, 0.500067 

                0.384299, 0.097855, 0.501002 

                0.390384, 0.100379, 0.501864 

                0.396467, 0.102902, 0.502658 

                0.402548, 0.105420, 0.503386 

                0.408629, 0.107930, 0.504052 

                0.414709, 0.110431, 0.504662 

                0.420791, 0.112920, 0.505215 

                0.426877, 0.115395, 0.505714 

                0.432967, 0.117855, 0.506160 

                0.439062, 0.120298, 0.506555 

                0.445163, 0.122724, 0.506901 

                0.451271, 0.125132, 0.507198 

                0.457386, 0.127522, 0.507448 

                0.463508, 0.129893, 0.507652 

                0.469640, 0.132245, 0.507809 

                0.475780, 0.134577, 0.507921 

                0.481929, 0.136891, 0.507989 

                0.488088, 0.139186, 0.508011 

                0.494258, 0.141462, 0.507988 

                0.500438, 0.143719, 0.507920 

                0.506629, 0.145958, 0.507806 

                0.512831, 0.148179, 0.507648 

                0.519045, 0.150383, 0.507443 

                0.525270, 0.152569, 0.507192 

                0.531507, 0.154739, 0.506895 

                0.537755, 0.156894, 0.506551 

                0.544015, 0.159033, 0.506159 

                0.550287, 0.161158, 0.505719 

                0.556571, 0.163269, 0.505230 

                0.562866, 0.165368, 0.504692 

                0.569172, 0.167454, 0.504105 

                0.575490, 0.169530, 0.503466 

                0.581819, 0.171596, 0.502777 

                0.588158, 0.173652, 0.502035 

                0.594508, 0.175701, 0.501241 

                0.600868, 0.177743, 0.500394 

                0.607238, 0.179779, 0.499492 

                0.613617, 0.181811, 0.498536 

                0.620005, 0.183840, 0.497524 

                0.626401, 0.185867, 0.496456 

                0.632805, 0.187893, 0.495332 

                0.639216, 0.189921, 0.494150 

                0.645633, 0.191952, 0.492910 

                0.652056, 0.193986, 0.491611 

                0.658483, 0.196027, 0.490253 

                0.664915, 0.198075, 0.488836 

                0.671349, 0.200133, 0.487358 

                0.677786, 0.202203, 0.485819 

                0.684224, 0.204286, 0.484219 

                0.690661, 0.206384, 0.482558 

                0.697098, 0.208501, 0.480835 

                0.703532, 0.210638, 0.479049 

                0.709962, 0.212797, 0.477201 

                0.716387, 0.214982, 0.475290 

                0.722805, 0.217194, 0.473316 

                0.729216, 0.219437, 0.471279 

                0.735616, 0.221713, 0.469180 

                0.742004, 0.224025, 0.467018 

                0.748378, 0.226377, 0.464794 

                0.754737, 0.228772, 0.462509 

                0.761077, 0.231214, 0.460162 

                0.767398, 0.233705, 0.457755 

                0.773695, 0.236249, 0.455289 

                0.779968, 0.238851, 0.452765 

                0.786212, 0.241514, 0.450184 

                0.792427, 0.244242, 0.447543 

                0.798608, 0.247040, 0.444848 

                0.804752, 0.249911, 0.442102 

                0.810855, 0.252861, 0.439305 

                0.816914, 0.255895, 0.436461 

                0.822926, 0.259016, 0.433573 

                0.828886, 0.262229, 0.430644 

                0.834791, 0.265540, 0.427671 

                0.840636, 0.268953, 0.424666 

                0.846416, 0.272473, 0.421631 

                0.852126, 0.276106, 0.418573 

                0.857763, 0.279857, 0.415496 

                0.863320, 0.283729, 0.412403 

                0.868793, 0.287728, 0.409303 

                0.874176, 0.291859, 0.406205 

                0.879464, 0.296125, 0.403118 

                0.884651, 0.300530, 0.400047 

                0.889731, 0.305079, 0.397002 

                0.894700, 0.309773, 0.393995 

                0.899552, 0.314616, 0.391037 

                0.904281, 0.319610, 0.388137 

                0.908884, 0.324755, 0.385308 

                0.913354, 0.330052, 0.382563 

                0.917689, 0.335500, 0.379915 

                0.921884, 0.341098, 0.377376 

                0.925937, 0.346844, 0.374959 

                0.929845, 0.352734, 0.372677 

                0.933606, 0.358764, 0.370541 

                0.937221, 0.364929, 0.368567 

                0.940687, 0.371224, 0.366762 

                0.944006, 0.377643, 0.365136 

                0.947180, 0.384178, 0.363701 

                0.950210, 0.390820, 0.362468 

                0.953099, 0.397563, 0.361438 

                0.955849, 0.404400, 0.360619 

                0.958464, 0.411324, 0.360014 

                0.960949, 0.418323, 0.359630 

                0.963310, 0.425390, 0.359469 

                0.965549, 0.432519, 0.359529 

                0.967671, 0.439703, 0.359810 

                0.969680, 0.446936, 0.360311 

                0.971582, 0.454210, 0.361030 

                0.973381, 0.461520, 0.361965 

                0.975082, 0.468861, 0.363111 

                0.976690, 0.476226, 0.364466 

                0.978210, 0.483612, 0.366025 

                0.979645, 0.491014, 0.367783 

                0.981000, 0.498428, 0.369734 

                0.982279, 0.505851, 0.371874 

                0.983485, 0.513280, 0.374198 

                0.984622, 0.520713, 0.376698 

                0.985693, 0.528148, 0.379371 

                0.986700, 0.535582, 0.382210 

                0.987646, 0.543015, 0.385210 

                0.988533, 0.550446, 0.388365 

                0.989363, 0.557873, 0.391671 

                0.990138, 0.565296, 0.395122 

                0.990871, 0.572706, 0.398714 

                0.991558, 0.580107, 0.402441 

                0.992196, 0.587502, 0.406299 

                0.992785, 0.594891, 0.410283 

                0.993326, 0.602275, 0.414390 

                0.993834, 0.609644, 0.418613 

                0.994309, 0.616999, 0.422950 

                0.994738, 0.624350, 0.427397 

                0.995122, 0.631696, 0.431951 

                0.995480, 0.639027, 0.436607 

                0.995810, 0.646344, 0.441361 

                0.996096, 0.653659, 0.446213 

                0.996341, 0.660969, 0.451160 

                0.996580, 0.668256, 0.456192 

                0.996775, 0.675541, 0.461314 

                0.996925, 0.682828, 0.466526 

                0.997077, 0.690088, 0.471811 

                0.997186, 0.697349, 0.477182 

                0.997254, 0.704611, 0.482635 

                0.997325, 0.711848, 0.488154 

                0.997351, 0.719089, 0.493755 

                0.997351, 0.726324, 0.499428 

                0.997341, 0.733545, 0.505167 

                0.997285, 0.740772, 0.510983 

                0.997228, 0.747981, 0.516859 

                0.997138, 0.755190, 0.522806 

                0.997019, 0.762398, 0.528821 

                0.996898, 0.769591, 0.534892 

                0.996727, 0.776795, 0.541039 

                0.996571, 0.783977, 0.547233 

                0.996369, 0.791167, 0.553499 

                0.996162, 0.798348, 0.559820 

                0.995932, 0.805527, 0.566202 

                0.995680, 0.812706, 0.572645 

                0.995424, 0.819875, 0.579140 

                0.995131, 0.827052, 0.585701 

                0.994851, 0.834213, 0.592307 

                0.994524, 0.841387, 0.598983 

                0.994222, 0.848540, 0.605696 

                0.993866, 0.855711, 0.612482 

                0.993545, 0.862859, 0.619299 

                0.993170, 0.870024, 0.626189 

                0.992831, 0.877168, 0.633109 

                0.992440, 0.884330, 0.640099 

                0.992089, 0.891470, 0.647116 

                0.991688, 0.898627, 0.654202 

                0.991332, 0.905763, 0.661309 

                0.990930, 0.912915, 0.668481 

                0.990570, 0.920049, 0.675675 

                0.990175, 0.927196, 0.682926 

                0.989815, 0.934329, 0.690198 

                0.989434, 0.941470, 0.697519 

                0.989077, 0.948604, 0.704863 

                0.988717, 0.955742, 0.712242 

                0.988367, 0.962878, 0.719649 

                0.988033, 0.970012, 0.727077 

                0.987691, 0.977154, 0.734536 

                0.987387, 0.984288, 0.742002 

                0.987053, 0.991438, 0.749504];
P = size(cmap,1);

if nargin < 1
   N = P;
end

N = min(N,P);
C = interp1(1:P, cmap, linspace(1,P,N), 'linear');
