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Asked: 2026-06-09T12:57:21+00:00

In Matlab 2011a I am plotting a line, and I use the parameter (LineSmoothing,

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In Matlab 2011a I am plotting a line, and I use the parameter ("LineSmoothing", 1) to make the line look prettier, but it causes the Y and X axis to disappear.

enter image description here

Does someone know what is causing this, and more importantly, how it can be fixed?

I tried the opengl('OpenGLLineSmoothingBug',1) but it didn’t change anything.

Thanks in advance!

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1 Answer

  1. Editorial Team

    The undocumented LineSmoothing property causes the figure to automatically switch to using the OpenGL renderer. And the bug you’ve shown in fact affects all OpenGL-rendererd figures (regardless of this property use).

    Example: (tested on R2012a in WinXP)

    plot(1:10,'o-'), box on
set(gcf, 'Renderer','opengl')

    screenshot

    note how the top and right borders of the box disappear once you execute the second line.

    There are some suggested workarounds.

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