How to add constant line y(50) to all plots of stackedplot?

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Wolfgang McCormack
Wolfgang McCormack 2021-5-21
回答： Adam Danz 2021-5-21
Hi all,
I am using stackedplot with 15 columns in a time table. How can I add a constant line of y(50) to all those 15 graphs in the stacked plot?
Thanks

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Adam Danz
Adam Danz 2021-5-21
Ran in:
You can get the axis handles in stackedplot using the undocumented NodeChildren property. Then add the constant line object to each y-axis. Since yline only accepts one axis handle you can do it in a loop or use arrayfun as I have, below.
rng('default')
h = stackedplot(rand(100,5).*10+45);
ax = findobj(h.NodeChildren, 'Type','Axes');
arrayfun(@(axh)yline(axh,50,'m-','LineWidth',1),ax);

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