MATLAB: How to open more than one copy of the same GUIDE-generated GUI in MATLAB

copyguigui_singletonguideinstanceMATLABmultiple

I have created a GUI in GUIDE. I would like to have more than one instance of the GUI open at once. However, whenever I start the GUI, only one figure window is ever created. Each subsequent call to the GUI function only refreshes the figure.

Best Answer

You may modify this option from within GUIDE. To do so, follow these steps:

1) open your GUI in GUIDE

2) open the 'tools' menu, and go to 'GUI Options...'

3) uncheck the box which says "GUI allows only one instance to run (singleton)"

4) Click "OK" and save the file

NOTE: Do not change the value of gui_Singleton in your script/function. If you make any additional changes to your figure in GUIDE via the editor, any changes to gui_Singleton will be reset without warning.

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The following code, given by one of the contributors long ago, will help you to undo the last plotting step:

function undo_plot(h, n)
% Undo_plot(h, n) undo last 'n' plotting operations from figure(h).
% n is optional and must be a positive integer since it denotes the number of
% steps to go back in the plotting process.
if nargin == 1 
  n = 1;
end
if n < 1
    str = sprintf('It is not humanly/machinely possible to undo %s plotting operations ! ',num2str(n));
    errordlg(str,'UNDO_PLOT ERROR');
    return
end
figure(h);
children = get(gca, 'children');
for i = 1 : n
  delete(children(i));
end

Best Answer

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