Added fallback default colors should SDGcolors.csv fail to load

function axesSDG = InitAxesSDG(handles)

default_colors = [...

    0.2  0.6  0.1;

    1.0  0.5  0.0;

    1.0  0.0  1.0;

    0.5  0.5  1.0;

    0.0  1.0  1.0;

    1.0  0.0  0.0;

    0.2  0.3  0.1;

    0.8  0.6  0.6;

    0.5  1.0  0.5;

    0.5  1.0  1.0;

    0.0  0.0  0.0;

    0.2  0.2  0.2;

    0.4  0.4  0.4;

    0.6  0.6  0.6;

    0.8  0.8  0.8 ...

];

p = [getAppDir(), 'SDGcolors.csv'];

try

    rgb01 = csvread(p) / 255;

    if size(rgb01, 1) < 6

    rgb01 = default_colors

    fprintf(['SDGcolors.csv is not an appropriate table of more than 6 RGB values. Using default colors.\n'])

    else

        fprintf(['Loaded ', num2str(size(rgb01, 1)), ' colors from SDGcolors.csv.\n']) 

    end

catch  % File not found

    rgb01 = default_colors;

    fprintf(['Failed to load SDGcolors.csv. Using default colors.\n']) 

end

axesSDG = struct(...

                 'handles', struct(...

                 'iSrcDet', [], ...

                 'linecolor', rgb01...

               );