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function cm_data=parula(m)
%% parula Blue-green-orange-yellow color map
% parula(M) returns an M-by-3 matrix containing a colormap.
narginchk(0,1)
cm = [0.2081, 0.1663, 0.5292;
0.2116238095, 0.1897809524, 0.5776761905;
0.212252381, 0.2137714286, 0.6269714286;
0.2081, 0.2386, 0.6770857143;
0.1959047619, 0.2644571429, 0.7279;
0.1707285714, 0.2919380952, 0.779247619;
0.1252714286, 0.3242428571, 0.8302714286;
0.0591333333, 0.3598333333, 0.8683333333;
0.0116952381, 0.3875095238, 0.8819571429;
0.0059571429, 0.4086142857, 0.8828428571;
0.0165142857, 0.4266, 0.8786333333;
0.032852381, 0.4430428571, 0.8719571429;
0.0498142857, 0.4585714286, 0.8640571429;
0.0629333333, 0.4736904762, 0.8554380952;
0.0722666667, 0.4886666667, 0.8467;
0.0779428571, 0.5039857143, 0.8383714286;
0.079347619, 0.5200238095, 0.8311809524;
0.0749428571, 0.5375428571, 0.8262714286;
0.0640571429, 0.5569857143, 0.8239571429;
0.0487714286, 0.5772238095, 0.8228285714;
0.0343428571, 0.5965809524, 0.819852381;
0.0265, 0.6137, 0.8135;
0.0238904762, 0.6286619048, 0.8037619048;
0.0230904762, 0.6417857143, 0.7912666667;
0.0227714286, 0.6534857143, 0.7767571429;
0.0266619048, 0.6641952381, 0.7607190476;
0.0383714286, 0.6742714286, 0.743552381;
0.0589714286, 0.6837571429, 0.7253857143;
0.0843, 0.6928333333, 0.7061666667;
0.1132952381, 0.7015, 0.6858571429;
0.1452714286, 0.7097571429, 0.6646285714;
0.1801333333, 0.7176571429, 0.6424333333;
0.2178285714, 0.7250428571, 0.6192619048;
0.2586428571, 0.7317142857, 0.5954285714;
0.3021714286, 0.7376047619, 0.5711857143;
0.3481666667, 0.7424333333, 0.5472666667;
0.3952571429, 0.7459, 0.5244428571;
0.4420095238, 0.7480809524, 0.5033142857;
0.4871238095, 0.7490619048, 0.4839761905;
0.5300285714, 0.7491142857, 0.4661142857;
0.5708571429, 0.7485190476, 0.4493904762;
0.609852381, 0.7473142857, 0.4336857143;
0.6473, 0.7456, 0.4188;
0.6834190476, 0.7434761905, 0.4044333333;
0.7184095238, 0.7411333333, 0.3904761905;
0.7524857143, 0.7384, 0.3768142857;
0.7858428571, 0.7355666667, 0.3632714286;
0.8185047619, 0.7327333333, 0.3497904762;
0.8506571429, 0.7299, 0.3360285714;
0.8824333333, 0.7274333333, 0.3217;
0.9139333333, 0.7257857143, 0.3062761905;
0.9449571429, 0.7261142857, 0.2886428571;
0.9738952381, 0.7313952381, 0.266647619;
0.9937714286, 0.7454571429, 0.240347619;
0.9990428571, 0.7653142857, 0.2164142857;
0.9955333333, 0.7860571429, 0.196652381;
0.988, 0.8066, 0.1793666667;
0.9788571429, 0.8271428571, 0.1633142857;
0.9697, 0.8481380952, 0.147452381;
0.9625857143, 0.8705142857, 0.1309;
0.9588714286, 0.8949, 0.1132428571;
0.9598238095, 0.9218333333, 0.0948380952;
0.9661, 0.9514428571, 0.0755333333;
0.9763, 0.9831, 0.0538];
if nargin < 1
cm_data = cm;
else
hsv=rgb2hsv(cm);
cm_data=interp1(linspace(0,1,size(cm,1)),hsv,linspace(0,1,m));
cm_data=hsv2rgb(cm_data);
end % if
end % function
% Copyright (c) 2016, Ander Biguri
% All rights reserved.
% Redistribution and use in source and binary forms, with or without
% modification, are permitted provided that the following conditions are
% met:
% * Redistributions of source code must retain the above copyright
% notice, this list of conditions and the following disclaimer.
% * Redistributions in binary form must reproduce the above copyright
% notice, this list of conditions and the following disclaimer in
% the documentation and/or other materials provided with the distribution
% THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
% AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
% IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
% ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
% LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
% CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
% SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
% INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
% CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
% ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
% POSSIBILITY OF SUCH DAMAGE.