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jet.m
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jet.m
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function map = jet(varargin)
%JET Variant of HSV colormap
%
% Examples:
% map = jet;
% map = jet(len);
% B = jet(A);
% B = jet(A, lims);
%
% Similar to MATLAB's jet function, but also able to return a concise
% colormap table.
%
% 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.
% $Id: jet.m,v 1.2 2009/04/10 13:00:33 ojw Exp $
% Copyright: Oliver Woodford, 2009
map = [0 0 0.5 1; 0 0 1 2; 0 1 1 2; 1 1 0 2; 1 0 0 1; 0.5 0 0 0];
map = colormap_helper(map, varargin{:});