draw1

clear
close all
load filelist
filename = char(files{2});
img = imread(filename);
imshow(img);

imshow(img);

do_input = false;

if do_input
    pause();
    roi = drawline('Color','yellow');
    pos = roi.Position;
    save roi_pos pos;
else
    load roi_pos;
    roi = drawline('Position',pos,'Color','blue');
end

do_input = false;

imshow(img);

if do_input
    pause();
    pos = ginput(2);
    save roi_pos pos;
    roi = drawline('Position',pos,'Color','magenta');
else
    load roi_pos;
    roi = drawline('Position',pos,'Color','blue');
end

Published with MATLAB® R2019b