Adds a callback to the image handle h so that when the image is clicked, the plot title displays the coordinates and value of the clicked pixel.
Unlike MATLAB's data cursor, the coordinates are always matrix indices.
If h is not specified, AddImageXYTracker looks for the first image it finds in the current axes.
h = imagesc(eye(5));
% Now you can click the image to see pixel locations and values.
Peter Caday (2021). AddImageXYTracker.m (https://www.mathworks.com/matlabcentral/fileexchange/46974-addimagexytracker-m), MATLAB Central File Exchange. Retrieved .
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