How to put a figure window in the center of the screen?

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Merse Gaspar 2023-5-27

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https://ww2.mathworks.cn/matlabcentral/answers/1974444-how-to-put-a-figure-window-in-the-center-of-the-screen

评论： Merse Gaspar 2023-5-28

Is it possible to put a figure (for example a GUI window) in the center of the screen? How to get screen size in pixels, or how to measure position not from the bottom, but from the top?

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Answer 1

Atsushi Ueno 2023-5-27

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https://ww2.mathworks.cn/matlabcentral/answers/1974444-how-to-put-a-figure-window-in-the-center-of-the-screen#answer_1245759

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In MATLAB, how do I obtain information about my screen resolution and screen size? - MATLAB Answers - MATLAB Central (mathworks.com)

width = 640; height = 480;
Pix_SS = get(0,'screensize')
Pix_SS = 1×4
           1           1        1920        1200
[(Pix_SS(3)-width)/2 (Pix_SS(4)-height)/2 width height]
ans = 1×4
   640   360   640   480
figure('Position', [(Pix_SS(3)-width)/2 (Pix_SS(4)-height)/2 width height])

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Walter Roberson 2023-5-27

@Merse Gaspar

Historically, 0 was used to refer to the "root" of the handle graphics system -- the object that is the parent of all figures (and other figure-like graphics objects.)

These days, using groot is the preferred way to refer to the root of the graphics system. (There are a small number of differences between using 0 and using groot() that most people would never notice)

Merse Gaspar 2023-5-28