Matlab 2016a User Guide
. Save and run your program by selecting Tools Run. GUIDE displays a dialog box displaying: “Activating will save changes to your figure file and MATLAB code.
Matlab 2016a User Guide. The rise of the Internet and all technologies related to it have made it a lot easier to share various types of information. Getting Started with MATLAB. Creating Graphical User Interfaces What Is GUIDE. Including graphical user interface building MATLAB is an.
Do you wish to continue?. GUIDE opens a Save As dialog box in your current folder and prompts you for a FIG-file name. Browse to any folder for which you have write privileges, and then enter the file name simplegui for the FIG-file. GUIDE saves both the FIG-file and the code file using this name.
If the folder in which you save the files is not on the MATLAB path, GUIDE opens a dialog box that allows you to change the current folder. GUIDE saves the files simplegui.fig and simplegui.m, and then runs the program.
It also opens the code file in your default editor. The app opens in a new window.
Notice that the window lacks the standard menu bar and toolbar that MATLAB figure windows display. You can add your own menus and toolbar buttons with GUIDE, but by default a GUIDE app includes none of these components. When you run simplegui, you can select a data set in the pop-up menu and click the push buttons, but nothing happens. This is because the code file contains no statements to service the pop-up menu and the buttons. Note Do not attempt to run your app by opening its FIG-file outside of GUIDE. If you do so, the figure opens and appears ready to use, but the UI does not initialize and the callbacks do not function. Code the Behavior of the App When you saved your layout in the previous section, GUIDE created two files: a FIG-file, simplegui.fig, and a program file, simplegui.m.
However, the app is not responsive because simplegui.m does not contain any statements that perform actions. This section shows you how to add code to the file to make the app functional.
Generate Data to Plot This section shows you how to generate the data to be plotted when the user clicks a button. The opening function generates this data by calling MATLAB functions. The opening function initializes the UI when it opens, and it is the first callback in every GUIDE-generated code file. In this example, you add code that creates three data sets to the opening function. The code uses the MATLAB functions peaks, membrane, and sinc.
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% - Executes just before simplegis made visible. % Create the data to plot. Handles.peaks=peaks(35); handles.membrane=membrane; x,y = meshgrid(-8.5:8); r = sqrt(x.^2+y.^2) + eps; sinc = sin(r)./r; handles.sinc = sinc;% Set the current data value. Handles.currentdata = handles.peaks; surf(handles.currentdata) The first six executable lines create the data using the MATLAB functions peaks, membrane, and sinc. They store the data in the handles structure, an argument provided to all callbacks. Callbacks for the push buttons can retrieve the data from the handles structure.
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The last two lines create a current data value and set it to peaks, and then display the surf plot for peaks. The following figure shows how the app looks when it first displays.