Can I change the color of the label in xline / yline to be different from the color of the line?

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Michael Mazack 2023-9-11

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2019591-can-i-change-the-color-of-the-label-in-xline-yline-to-be-different-from-the-color-of-the-line

移动：Dyuman Joshi 2024-10-10

采纳的回答： Afiq Azaibi

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I want the label color (i.e., of the text) to be a different color than the line color in xline and/or yline.

Is there an easy way to do this without the workaround below?

xline(5, '-', 'Text');
hold on;
xline(5, '-g');
hold off;

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Michael Mazack 2023-9-11

移动：Dyuman Joshi 2024-10-10

Thanks, Steven -- very helpful suggestion.

The need is to make xlines and ylines -- which may obscure the data and blank space -- have lower contrast with the plot background color while having the label of the line have high contrast so the viewer can easily read it.

I have submitted an enhancement request at the link you provided with more user story detail. Thank you.

Adam Danz 2023-9-11

移动：Dyuman Joshi 2024-10-10

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> The need is to make xlines and ylines...have lower contrast with the plot background color while having the label of the line have high contrast so the viewer can easily read it.

To achieve that, lower the Alpha value of the ConstantLine objects. This won't affect the label.

plot(peaks,'k-')

xline(10,'-k','Default Alpha')

xline([20:10:40], '-k', 'Lower alpha','Alpha',0.2)