Matlab with HiDPI... is still an issue on Linux(?)

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Fabio Garofalo 2016-12-17

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https://ww2.mathworks.cn/matlabcentral/answers/317240-matlab-with-hidpi-is-still-an-issue-on-linux

评论： Nick Evstigneev 2023-2-9

Hi,

I wonder if there is a solution for the small interface issue that Matlab has on HiDPI screen under Linux. It is becoming a real messy working intensively, especially with AppDesigner that suffers also because you cannot change the font size in the editor.

Thanks for the help.

Fabio

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采纳的回答

Jacopo Antonello 2017-10-6

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https://ww2.mathworks.cn/matlabcentral/answers/317240-matlab-with-hidpi-is-still-an-issue-on-linux#answer_284556

在 MATLAB Online 中打开

MathWorks suggested the following procedure, which works well for me (R2017b). Quoting from their email:

Tuning a high-DPI Linux system requires two steps

Setting the MATLAB scale factor
Calibrating the system's DPI

The MATLAB scale factor affects MATLAB desktop and the size/position of windows. The system DPI determines the scale and font size of axes and labels. To set the MATLAB scale factor, please use the following MATLAB commands:

>> s = settings;s.matlab.desktop.DisplayScaleFactor
>> s.matlab.desktop.DisplayScaleFactor.PersonalValue = 1.5

To calibrate the system DPI to match the scale facto, please use the following terminal commands :

% xdpyinfo | grep resolution
  resolution:    96x96 dots per inch
% xrandr --dpi 144

The DPI value chosen should be the resolution found with xdpyinfo multiplied by the MATLAB scale factor that was set. In the example, 96 × 1.5 = 144.

MATLAB must be restarted after Step 2.

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Xiao Liu 2022-11-14

Ubuntu 20.04 and matlab 2022b. my 4k monitor is scaled by 200% in the system settings. my resolution is 162x161 dots per inch.

s.matlab.desktop.DisplayScaleFactor.PersonalValue = 2

the GUI and editer looks OK, but the datatips and function hints are still not scaled. you can see from the screenshots, they are very tiny.

Nick Evstigneev 2023-2-9

I found the issue with this:

https://www.mathworks.com/matlabcentral/answers/317240-matlab-with-hidpi-is-still-an-issue-on-linux#comment_2464418

One needs to adjust the custum font size for the editor back to, say 12, and then in an open editor window just zoom in by pressing Ctrl + as much as you like.

Before:

Now:

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更多回答（3 个）

Abhinuv Pitale 2018-9-4

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https://ww2.mathworks.cn/matlabcentral/answers/317240-matlab-with-hidpi-is-still-an-issue-on-linux#answer_335450

在 MATLAB Online 中打开

This worked really well for me on Ubuntu 16.04

>> s = settings;s.matlab.desktop.DisplayScaleFactor
>> s.matlab.desktop.DisplayScaleFactor.PersonalValue = 1.5

Additionally, I changed font properties in Preferences -> Font to higher font values.

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Brian Chen 2017-3-10

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https://ww2.mathworks.cn/matlabcentral/answers/317240-matlab-with-hidpi-is-still-an-issue-on-linux#answer_258240

Has this issue been resolved in R2017a?

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marvin rüppel 2017-5-17

THis is terrible. Matlab is extremely inconvenient to use with the extremely small symbols.

Walter Roberson 2017-5-17

I recommend you raise the matter as a support case. Any of the volunteers who might happen to know something about the situation would not be permitted to comment about it.

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Walter Roberson 2016-12-17

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https://ww2.mathworks.cn/matlabcentral/answers/317240-matlab-with-hidpi-is-still-an-issue-on-linux#answer_247573

No, unfortunately as of R2016b the issue is not resolved.

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Fabio Garofalo 2016-12-17

编辑：Fabio Garofalo 2016-12-17

I accept your answer... both not the fact that matlab developers are underestimating (and they did for LONG time) this issue. I think that it is almost impossible to work for long time with this problem. However, thanks!

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