Plot lines appear fuzzy

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Tomás 2023-3-6

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1924110-plot-lines-appear-fuzzy

评论： Tomás 2023-3-6

When using plot in 2022(a) with Windows 10, the lines appear fuzzy in the Figure pop-up in the matlab software :

Upon copying the figure and pasting in a powerpoint for example, the lines appear smooth:

Is this a matlab or Windows issue?

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Jonas 2023-3-6

在 MATLAB Online 中打开

which Renderer are you using?

get(gcf,'Renderer');

you can also try setting to painters renderer

set(gcf,'Renderer','painters')

Tomás 2023-3-6

在 MATLAB Online 中打开

it was on opengl. i tried painters and the lines still look fuzzy.

>> opengl info
                          Version: '4.5.13399 Compatibility Profile Context 15.201.1151.1008'
                           Vendor: 'ATI Technologies Inc.'
                         Renderer: 'AMD Radeon HD 7500 Series'
            RendererDriverVersion: '15.201.1151.1008'
        RendererDriverReleaseDate: '04-Nov-2015'
                   MaxTextureSize: 16384
                           Visual: 'Visual 0x08, (RGBA 32 bits (8 8 8 8), Z depth 16 bits, Hardware acceleration, Double buffer, Antialias 8 samples)'
                         Software: 'false'
             HardwareSupportLevel: 'full'
        SupportsGraphicsSmoothing: 1
    SupportsDepthPeelTransparency: 1
       SupportsAlignVertexCenters: 1
                       Extensions: {266×1 cell}
               MaxFrameBufferSize: 16384

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Answer 1

Sulaymon Eshkabilov 2023-3-6

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One quick solution is to enlarge (Maximize) the figure window and then to restore (Restore) it ints original size using the right corner buttons that should clear up the fuzziness.

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Answer 2

Vilém Frynta 2023-3-6

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well, are your data perfectly linear? if these are your data, Matlab will interpret them in the way they are, which may be "fuzzy" looking.

i'm not well aware on importing figures into PowerPoint, however, if you actually input file with data, it is possible that PowerPoint just makes it look nicer.

if you want to find out: you can try saving your figure as an image, and then you will see. if the saved image is same as in Figure Window, then it's Windows issue. if the image is same as in PowerPoint, then it's Matlab issue.

thought, this is just my guess, there may be a more sophisticated way.