MATLAB SIMULINK 7 - GRAPHICAL USER INTERFACE Guia do Utilizador descarregar pdf (Página 142)

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6 Lay Out a GUIDE GUI

% hObject handle to togglebutton1 (see GCBO)

% eventdata re serv ed - to be defi ned in a future ver sion of MATLAB

% handles structure with handles and user data (see GUIDATA)

% Hint: get(hObject,'Value') returns toggle st ate of togglebutton1

isDown = get(hObject,'Value');

if isDown

set(handles.textStatus, 'string', 'Toggle down')

else

set(handles.textStatus, 'string', 'Toggle up')

end

The if block tests the variable isDown, which has been set to the Value

property of the toggle button, and writes a different message depending on

whether the value is true or false.

The Plot Controls. The two components of the Plot Controls panel affect

the plot of the

peaks fu n c tion as well as rewrite the text in the Action Panel.

• A popup menu to select a built-in colormap by name

• A slider to rotate the view around the z-axis

The popup, named

popupmenu1, contains a list of seven colormap names in its

String property, which you can set in the P roperty Inspector by clicking its

Edit icon

. Typing the strings into the edit dialog and clicking OK sets

all seven colormap names at once.

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