/
disparity.m
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disparity.m
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%DISPARITY High contrast colormap with subtle gradient discontinuities
%
% Examples:
% map = disparity;
% map = disparity(len);
% B = disparity(A);
% B = disparity(A, lims);
%
% A colormap designed for depth and disparity maps. It has subtle gradient
% discontinuities to bring out contours, and maximizes the range of colors
% used in order to improve contrast between intensity levels. It converts
% linearly to grayscale, such that black & white prints come out nicely.
%
% The function can additionally be used to convert a real valued array into
% a truecolor array using the colormap.
%
% IN:
% len - Scalar length of the output colormap. If len == Inf the concise
% table is returned. Default: len = size(get(gcf, 'Colormap'), 1);
% A - Non-scalar numeric array of real values to be converted into
% truecolor.
% lims - 1x2 array of saturation limits to be used on A. Default:
% [min(A(:)) max(A(:))].
%
% OUT:
% map - (len)xJ colormap table. J = 3, except in the concise case, when
% J = 4, map(1:end-1,4) giving the relative sizes of the
% inter-color bins.
% B - size(A)x3 truecolor array.
% Copyright: Oliver Woodford, 2012
function map = disparity(varargin)
map = [ 0 0 0 1.000000000000000; ...
0 0 0.548245614035088 0; ...
0.105761794654448 0.000000000000013 0.270852836827302 1.000000000000000; ...
0.059459459459459 0 0.940540540540541 0; ...
0.162903903427862 0.002287878882682 0.657445157639783 1.000000000000000; ...
0.366693676801250 0.059947169013601 0.374294758117918 0; ...
0.397297297297297 0 0.602702702702703 1.000000000000000; ...
0.735135135135135 0 0.264864864864865 0; ...
0.619346855510299 0.046614971192608 0.328528965897891 1.000000000000000; ...
1.000000000000000 0 0.118421052631579 0; ...
0.878236661421783 0.026878650964249 0.299381316832219 1.000000000000000; ...
0.879983391744831 0.020603479222390 0.875357224252214 0; ...
1.000000000000000 0 0.666666666666667 1.000000000000000; ...
0.859195402298851 0.140804597701150 0.859195402298851 0; ...
0.796752292660960 0.203005124169332 0.702693479008556 1.000000000000000; ...
0.500000000000000 0.500000000000000 0.500000000000000 0; ...
0.591584728266931 0.512311475905112 0.196397630630585 1.000000000000000; ...
0.140804597701149 0.859195402298851 0.140804597701149 0; ...
0.237154669316016 0.801555080604367 0.184894048769717 1.000000000000000; ...
0 1.000000000000000 0.333333333333334 0; ...
0.099802756002636 0.943534783080114 0.362316300764779 1.000000000000000; ...
0 1.000000000000000 0.881578947368421 0; ...
0.122068579355955 0.967299920607226 0.729793345404631 1.000000000000000; ...
0.264864864864865 1.000000000000000 0.735135135135135 0; ...
0.371207986455179 0.946429224305391 0.732060152479271 1.000000000000000; ...
0.602702702702703 1.000000000000000 0.397297297297297 0; ...
0.626666491156471 0.941072277957457 0.637870982308667 1.000000000000000; ...
0.940540540540541 1.000000000000000 0.059459459459459 0; ...
0.842450533320871 0.992890454106401 0.353338543654404 1.000000000000000; ...
0.894238205345540 0.999999999999999 0.729147163172666 0; ...
1.000000000000000 1.000000000000000 0.451754385964912 1.000000000000000; ...
1.000000000000000 1.000000000000000 1.000000000000000 0];
map = colormap_helper(map, varargin{:});