How do I write into my m-file to use the GUI user-selected pathdirectory?

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Sue on 4 Jul 2011
I have an interface (built using GUIDE) that gets the user to select a pathdirectory/file where jpegs images are kept. A pushbutton is then to be used to run an m-file using these images.
My question is how do i write into my m-file that i want the user-selected pathdirectory as the chosen directory and not the one I have so far manually written into the m-file (which I have so far run as a standalone program and not used through an GUI interface)?
Any help and advice would be gratefully appreciated - I am very new to this GUI programming.
Many thanks, Sue x

Answers (1)

Paulo Silva
Paulo Silva on 4 Jul 2011
folder_name = uigetdir(start_path,dialog_title)
Paulo Silva
Paulo Silva on 4 Jul 2011
turn the m-file into a function, for example
function ExtractImages(directory)
%original m-file code
end %it's the end of the function, not really required
After saving the function you can call it inside your GUI
% --- Executes on button press in extract_fp_test_images.
function extract_fp_test_images_Callback(hObject, eventdata, handles)
% hObject handle to extract_fp_test_images (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
This is what is in the callback function for the button at the moment. If I add:
directory = uigetdir;

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