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Change grid Line Width

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Faruk
Faruk on 8 Oct 2014
Commented: Adam Danz on 20 Jun 2023
Hi, I used default axes line width as 1.5 in Matlab2014a and my grids were fine. When I increase the axes line width in Matlab2014b, it increases the grid line width and create a very ugly plot specially if I save it as eps or pdf. How can I set axes line width to 1.5 and and grid line width to 0.5 Thank you

Accepted Answer

Toshia M
Toshia M on 17 Mar 2023
Starting in R2023a, you can change the thickness of grid lines independently of the box outline and tick marks by setting the GridLineWidth property of the axes. For example:
plot([0 3 1 6 4],"LineWidth",2)
grid on
ax = gca;
ax.LineWidth = 2;
ax.GridLineWidth = 1;
You can also set the minor grid line width by setting the MinorGridLineWidth property. For more information on both of these axes properties, see Axes properties.
  2 Comments
AK Nahin
AK Nahin on 20 Jun 2023
It is showing this error. I cannot find any solution. Even Example in axis properties also shows the same error.
Unrecognized property 'GridLineWidth' for class 'matlab.graphics.axis.Axes'.
Adam Danz
Adam Danz on 20 Jun 2023
As @Toshia M mentioned, this functionality became available in MATLAB R2023a. Check your MATLAB release using the ver function or look at the upper left corner of the MATLAB desktop.

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More Answers (3)

Star Strider
Star Strider on 8 Oct 2014
Edited: Star Strider on 8 Oct 2014
According to the Axis Properties documentation for R2014b, the axes and grid line widths are all set by the LineWidth property. Setting the GridAlpha or GridColor properties to make them less prominent is probably the best you can do.
EDIT — There may be a way to get around it though if you don’t mind a slightly cumbersome solution.
Assuming this is the effect you want:
x = linspace(0,10*pi,250);
y = sin(0.1*x).*cos(5*x);
plot(x,y, '-r')
grid
hold on
xl = xlim;
yl = ylim;
plot(xl,ones(1,2)*yl(1), '-k', ones(1,2)*xl(1), yl,'-k', 'LineWidth',1.5) % Left & Lower Axes
plot(xl,ones(1,2)*yl(2), '-k', ones(1,2)*xl(2), yl,'-k', 'LineWidth',1.5) % Right & Upper Axes
hold off
produces:
  2 Comments
Tiago Dias
Tiago Dias on 12 Jan 2018
How to make it work when i have datetime in the XAxis? it doenst work because my X is datatime
Alutsyah Luthfian
Alutsyah Luthfian on 12 Sep 2020
Thanks man... you are very helpful

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Md Zillur Rahman
Md Zillur Rahman on 15 Oct 2015
you can solve this issue by using
GridAlpha — Grid-line transparency 0.15 (default) | value in the range [0,1] Grid-line transparency, specified as a value in the range [0,1]. A value of 1 means opaque and a value of 0 means completely transparent.
Setting this property sets the associated mode property to manual.
Example: ax.GridAlpha = 0.5

matt dash
matt dash on 8 Oct 2014
I think Yair Altman just covered this today... there are unlisted "ruler" properties that let you directly control the axes lines: http://undocumentedmatlab.com/blog/customizing-axes-rulers

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