Why does my plot line appear outside the axes?

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Jamie Bragg 2024-4-26

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https://ww2.mathworks.cn/matlabcentral/answers/2112061-why-does-my-plot-line-appear-outside-the-axes

评论： Adam Danz 2025-2-27，22:11

I'm trying to make a double y-axis plot of data that extends beyond the x-axis limits of the plot. When I save the plot as a .png, the plot lines appear outside the right axis of the plot.

Here's code for a simplified version of what I'm trying that produces the issue:

x = [0 1 2 3 4];
yl = [0 1 2 4 3];
yr = [0 2 3 1 2];
yyaxis left
plot(x, yl)
yyaxis right
plot(x, yr)
xlim([1 3])
saveas(gcf,'[PATH].png')

And here's the image that's saved:

I know that there's a workaround of shortening the data arrays to the range of the x-axis limits before plotting, but I was wondering if there's a more elegant solution.

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Jamie Bragg 2024-4-29

在 MATLAB Online 中打开

@Adam Danz I was originally using MATLAB desktop, which is where the bug occurs. When I run the code you suggest, I get:

r = 
  struct with fields:
    GraphicsRenderer: 'OpenGL Hardware'
              Vendor: 'Intel'
             Version: '4.5.0 - Build 31.0.101.4953'
      RendererDevice: 'Intel(R) Iris(R) Xe Graphics'
             Details: [1×1 struct]
ans = 
  struct with fields:
            RendererDriverVersion: '31.0.101.4953'
        RendererDriverReleaseDate: '2023-11-7'
             HardwareSupportLevel: 'Full'
    SupportsDepthPeelTransparency: 1
       SupportsAlignVertexCenters: 1
        SupportsGraphicsSmoothing: 1
                   MaxTextureSize: 16384
               MaxFrameBufferSize: 16384

When using MATLAB online (Firefox), the saved PNG image doesn't have the issue. I get the same information as Sam Chak when running the commands you suggest.

Adam Danz 2024-5-2

@Sam Chak and @Jamie Bragg thanks for sharing this renderer information. It shows exactly what I needed to see. I'll take it from here and add this bug to our tracker. Thanks again for your help and cooperation!

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