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inferno.m
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inferno.m
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% Ander Biguri (2020). Perceptually uniform colormaps (https://www.mathworks.com/matlabcentral/fileexchange/51986-perceptually-uniform-colormaps), MATLAB Central File Exchange.
function [cm_data]=inferno(m)
cm = [[ 1.46159096e-03, 4.66127766e-04, 1.38655200e-02],
[ 2.26726368e-03, 1.26992553e-03, 1.85703520e-02],
[ 3.29899092e-03, 2.24934863e-03, 2.42390508e-02],
[ 4.54690615e-03, 3.39180156e-03, 3.09092475e-02],
[ 6.00552565e-03, 4.69194561e-03, 3.85578980e-02],
[ 7.67578856e-03, 6.13611626e-03, 4.68360336e-02],
[ 9.56051094e-03, 7.71344131e-03, 5.51430756e-02],
[ 1.16634769e-02, 9.41675403e-03, 6.34598080e-02],
[ 1.39950388e-02, 1.12247138e-02, 7.18616890e-02],
[ 1.65605595e-02, 1.31362262e-02, 8.02817951e-02],
[ 1.93732295e-02, 1.51325789e-02, 8.87668094e-02],
[ 2.24468865e-02, 1.71991484e-02, 9.73274383e-02],
[ 2.57927373e-02, 1.93306298e-02, 1.05929835e-01],
[ 2.94324251e-02, 2.15030771e-02, 1.14621328e-01],
[ 3.33852235e-02, 2.37024271e-02, 1.23397286e-01],
[ 3.76684211e-02, 2.59207864e-02, 1.32232108e-01],
[ 4.22525554e-02, 2.81385015e-02, 1.41140519e-01],
[ 4.69146287e-02, 3.03236129e-02, 1.50163867e-01],
[ 5.16437624e-02, 3.24736172e-02, 1.59254277e-01],
[ 5.64491009e-02, 3.45691867e-02, 1.68413539e-01],
[ 6.13397200e-02, 3.65900213e-02, 1.77642172e-01],
[ 6.63312620e-02, 3.85036268e-02, 1.86961588e-01],
[ 7.14289181e-02, 4.02939095e-02, 1.96353558e-01],
[ 7.66367560e-02, 4.19053329e-02, 2.05798788e-01],
[ 8.19620773e-02, 4.33278666e-02, 2.15289113e-01],
[ 8.74113897e-02, 4.45561662e-02, 2.24813479e-01],
[ 9.29901526e-02, 4.55829503e-02, 2.34357604e-01],
[ 9.87024972e-02, 4.64018731e-02, 2.43903700e-01],
[ 1.04550936e-01, 4.70080541e-02, 2.53430300e-01],
[ 1.10536084e-01, 4.73986708e-02, 2.62912235e-01],
[ 1.16656423e-01, 4.75735920e-02, 2.72320803e-01],
[ 1.22908126e-01, 4.75360183e-02, 2.81624170e-01],
[ 1.29284984e-01, 4.72930838e-02, 2.90788012e-01],
[ 1.35778450e-01, 4.68563678e-02, 2.99776404e-01],
[ 1.42377819e-01, 4.62422566e-02, 3.08552910e-01],
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[ 1.69575148e-01, 4.24893149e-02, 3.40874188e-01],
[ 1.76493202e-01, 4.14017089e-02, 3.48110606e-01],
[ 1.83428775e-01, 4.03288858e-02, 3.54971391e-01],
[ 1.90367453e-01, 3.93088888e-02, 3.61446945e-01],
[ 1.97297425e-01, 3.84001825e-02, 3.67534629e-01],
[ 2.04209298e-01, 3.76322609e-02, 3.73237557e-01],
[ 2.11095463e-01, 3.70296488e-02, 3.78563264e-01],
[ 2.17948648e-01, 3.66146049e-02, 3.83522415e-01],
[ 2.24762908e-01, 3.64049901e-02, 3.88128944e-01],
[ 2.31538148e-01, 3.64052511e-02, 3.92400150e-01],
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[ 9.66242589e-01, 8.36190976e-01, 2.61533898e-01],
[ 9.64393924e-01, 8.43848069e-01, 2.73391112e-01],
[ 9.62516656e-01, 8.51476340e-01, 2.85545675e-01],
[ 9.60625545e-01, 8.59068716e-01, 2.98010219e-01],
[ 9.58720088e-01, 8.66624355e-01, 3.10820466e-01],
[ 9.56834075e-01, 8.74128569e-01, 3.23973947e-01],
[ 9.54997177e-01, 8.81568926e-01, 3.37475479e-01],
[ 9.53215092e-01, 8.88942277e-01, 3.51368713e-01],
[ 9.51546225e-01, 8.96225909e-01, 3.65627005e-01],
[ 9.50018481e-01, 9.03409063e-01, 3.80271225e-01],
[ 9.48683391e-01, 9.10472964e-01, 3.95289169e-01],
[ 9.47594362e-01, 9.17399053e-01, 4.10665194e-01],
[ 9.46809163e-01, 9.24168246e-01, 4.26373236e-01],
[ 9.46391536e-01, 9.30760752e-01, 4.42367495e-01],
[ 9.46402951e-01, 9.37158971e-01, 4.58591507e-01],
[ 9.46902568e-01, 9.43347775e-01, 4.74969778e-01],
[ 9.47936825e-01, 9.49317522e-01, 4.91426053e-01],
[ 9.49544830e-01, 9.55062900e-01, 5.07859649e-01],
[ 9.51740304e-01, 9.60586693e-01, 5.24203026e-01],
[ 9.54529281e-01, 9.65895868e-01, 5.40360752e-01],
[ 9.57896053e-01, 9.71003330e-01, 5.56275090e-01],
[ 9.61812020e-01, 9.75924241e-01, 5.71925382e-01],
[ 9.66248822e-01, 9.80678193e-01, 5.87205773e-01],
[ 9.71161622e-01, 9.85282161e-01, 6.02154330e-01],
[ 9.76510983e-01, 9.89753437e-01, 6.16760413e-01],
[ 9.82257307e-01, 9.94108844e-01, 6.31017009e-01],
[ 9.88362068e-01, 9.98364143e-01, 6.44924005e-01]];
if nargin < 1
cm_data = cm;
else
hsv=rgb2hsv(cm);
hsv(144:end,1)=hsv(144:end,1)+1; % hardcoded
cm_data=interp1(linspace(0,1,size(cm,1)),hsv,linspace(0,1,m));
cm_data(cm_data(:,1)>1,1)=cm_data(cm_data(:,1)>1,1)-1;
cm_data=hsv2rgb(cm_data);
end
end