MATLAB SIMULINK 7 - GRAPHICAL USER INTERFACE Manuel d'utilisateur Page 113

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Add Components to the GUIDE Layout Area
6-27
If you want to set the position or size of the component to an exact value, then modify
its Position property. See “Locate and Move Components” on page 6-74 and
“Resize GUIDE UI Components” on page 6-67 for details.
To add an image to a push button, assign the button's CData property as an m-
by-n-by-3 array of RGB values that defines a truecolor image. You must do this
programmatically in the opening function of the UI code file. For example, the array
img defines a 16-by-64-by-3 truecolor image using random values between 0 and 1
(generated by rand).
img = rand(16,64,3);
set(handles.pushbutton1,'CData',img);
where pushbutton1 is the push button's Tag property.
Note See ind2rgb for information on converting a matrix X and corresponding
colormap, i.e., an (X, MAP) image, to RGB (truecolor) format.
Slider
To create a slider as shown in this figure:
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