%% (Internal) Create a colormap for signal visualization
%
% colors = my_colormap( cant_colors )
%
% Arguments:
%
% + cant_colors: amount of colors required
%
% Output:
%
% + colors: the colormap created
%
% Example:
%
% Author: Mariano Llamedo Soria llamedom@electron.frba.utn.edu.ar
% Version: 0.1 beta
% Last update: 14/5/2014
% Birthdate : 21/4/2015
% Copyright 2008-2015
%
function colors = my_colormap( cant_colors )
colors = hsv(64);
%avoid yellowish colours
bAux = colors(:,1) > 200/255 & colors(:,2) > 200/255 & colors(:,3) == 0;
if( any(bAux) )
colors( bAux,: ) = repmat([200 200 0]./255, sum(bAux),1 );
end
ncol = size(colors,1);
aux_idx = 1+rem(round(round(ncol/6)+linspace(0, (round(ncol/2)+1)*(ncol-1), ncol)), ncol);
if( cant_colors > 4 )
colors = colors( aux_idx(round(linspace(1,64, cant_colors))) , :);
else
colors = colors( aux_idx(1:cant_colors) , :);
end