MATLAB SIMULINK 7 - GRAPHICAL USER INTERFACE Uživatelský manuál stáhnout pdf (Strana 61)

100

101

Create a Simple UI Programmatically

3-9

Initialize the Simple Programmatic UI

Initialize the UI, so it is ready for the user when the code makes the UI visible. Make

the UI behave properly when it is resized by changing the component and figure units to

normalized. This causes the components to resize when the UI is resized. Normalized

units map the lower-left corner of the figure window to (0,0) and the upper-right corner

to (1.0, 1.0).

Replace this code in editor:

% Make the UI visible.

f.Visible = 'on';

with this code:

% Initialize the UI.

% Change units to normalized so components resize automatically.

f.Units = 'normalized';

ha.Units = 'normalized';

hsurf.Units = 'normalized';

hmesh.Units = 'normalized';

hcontour.Units = 'normalized';

htext.Units = 'normalized';

hpopup.Units = 'normalized';

% Generate the data to plot.

peaks_data = peaks(35);

membrane_data = membrane;

[x,y] = meshgrid(-8:.5:8);

r = sqrt(x.^2+y.^2) + eps;

sinc_data = sin(r)./r;

% Create a plot in the axes.

current_data = peaks_data;

surf(current_data);

% Assign a name to appear in the window title.

f.Name = 'Simple GUI';

% Move the window to the center of the screen.

movegui(f,'center')

% Make the UI visible.

f.Visible = 'on';

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