MATLAB SIMULINK 7 - GRAPHICAL USER INTERFACE Uživatelský manuál stáhnout pdf (Strana 57)

Laying Out a Simple GUI

3-9

5 Make your GUI visible by adding this command following the align

command.

set(f,'Visible','on')

6 This is what your M-file should now look like:

function simple_gui

% SIMPLE_GUI Select a data set from the pop-up menu, then

% click one of the plot-type push buttons. Clicking the button

% plots the selected data in the axes.

% Create and hide the GUI as it is being constructed.

f = figure('Visible','off','Position',[360,500,450,285]);

% Construct the components

hsurf = uicontrol('Style','pushbutton','String','Surf',...

'Position',[315,220,70,25]);

hmesh = uicontrol('Style','pushbutton','String','Mesh',...

'Position',[315,180,70,25]);

hcontour = uicontrol('Style','pushbutton',...

'String','Countour',...

'Position',[315,135,70,25]);

htext = uicontrol('Style','text','String','Select Data',...

'Position',[325,90,60,15]);

hpopup = uicontrol('Style','popupmenu',...

'String',{'Peaks','Membrane','Sinc'},...

'Position',[300,50,100,25]);

ha = axes('Units','Pixels','Position',[50,60,200,185]);

align([hsurf,hmesh,hcontour,htext,hpopup],'Center','None');

%Make the GUI visible.

set(f,'Visible','on')

end

7 Run your script by typing simple_gui at the command line. This is what

your GUI now looks like. Note that you can select a data set in the pop-up

menu and click the push buttons. But nothing happens. This is because

there is no code in the M-file to service the pop-up menu and the buttons.

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MATLAB SIMULINK 7 - GRAPHICAL USER INTERFACE Uživatelský manuál Strana 57