MATLAB: Placing and Editing an Image within a GUI using GUIDE.

guiguideimage processingImage Processing Toolboxmatlab gui

How do you place an image within a pre-defined border on a GUI?

I set an axes down hoping to put the image inside, but that didn't work.

I'm hoping to put three images side-by-side, the first being the original grayscale image, the second being the image as we apply certain processing techniques to it, and the third showing the iteration within each step so that we can optimize the result of each step (i.e. varying the size of structuring elements, filters, etc.)

Best Answer

You can use GUIDE to place three axes on the figure, then (option 1) use axes() to switch between them and use imshow() to display in the current axes, or else (option 2) use the 'Parent' option of imshow() to specify the axes in which to display your image. You can look at my thresholding example in my File Exchange which has 3 images: the original, the binary (thresholded) version, and the masked version. Or look at any of my demos - they all use multiple images. http://www.mathworks.com/matlabcentral/fileexchange/?term=authorid%3A31862

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MATLAB: Interactive GUI: pup-up menus, list

Jana - the _CreateFcn only gets called when the GUI is launched and the widgets/controls are created. You do not want to be calling this function once the GUI is running. If you have added code to this function that you wish to invoke at a later time, then you should put it in a separate function (still saved in your GUI m file). Something like

 function popupmenu1_CreateFcn(hObject, eventdata, handles)
 % invoke function to populate/refresh popupmenu1
 refreshPopupMenu1(hObject,handles);

where

 function refreshPopupMenu1(hObject,handles)
 % do stuff

Then, in your callback for the second popup menu, you would do something like

 function popupmenu1_Callback(hObject, eventdata, handles)
 refreshPopupMenu1(hObject,handles);

You would do the same for the other popu menu and list box.

MATLAB: Call to Main GUi

This is an evergreen question. Please search for "sharing GUI" in this forum to find a bunch of solutions.

The object you have to share is the handle of the AXES object you want to plot in. So get the MainGUI's handle from the SubGUI, use it to obtain the handles struct by GUIDATA, and plot from the code of the SubGUI using the AXES' handle as 'Parent' property.

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MATLAB: Interactive GUI: pup-up menus, list

MATLAB: Call to Main GUi

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