turning legend off in xline function
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How can I turn off legend of xline function being visible on the plot?
1 Kommentar
madhan ravi
am 17 Apr. 2019
Bearbeitet: madhan ravi
am 17 Apr. 2019
Can you share a picture?, I don’t see any legend.
Antworten (3)
Linjun He
am 22 Feb. 2020
You can simply use 'HandleVisibility' as follows:
xline(-1,'--r','HandleVisibility','off');
For those line you want to show the legend, you can use 'DisplayName':
plot(x, y, 'DisplayName', 'This is the legend for this line');
To show the legend:
legend('show');
2 Kommentare
Ann-Cathrin Krause
am 17 Dez. 2022
I tried
xline(-1,'--r','HandleVisibility','off');
I wish it worked for me but it didnt.
Adam Danz
am 19 Dez. 2022
@Ann-Cathrin Krause, I'm interested in seeing the section of code of plotting code where you're assigning xline and a screenshot of your plot showing the xline in the legend. The short demo below shows that constant line objects with HandleVisibility=off prevents the object from appearing in the legend.
figure()
plot(rand(2), '--')
xline(1.5,'HandleVisibility','off') % won't appear in legend
yline(0.5,'DisplayName', 'YLINE')
legend()
Adam Danz
am 17 Apr. 2019
Bearbeitet: Adam Danz
am 23 Apr. 2019
Option 1: Use object handles
Specity which objects should appear in the legend and produce the legend at the end after all plotting is complete.
figure
h1 = plot(rand(1,5), rand(1,5));
hold on
h2 = plot(rand(1,5), rand(1,5));
xline(0.5)
legend([h1, h2], {'first', 'second'})
Option 2: Turn off AutoUpdate
If you need to add stuff to the plot after you've created the legend, turn off AutoUpdate before adding the objects.
figure
h1 = plot(rand(1,5), rand(1,5));
hold on
h2 = plot(rand(1,5), rand(1,5));
legend([h1, h2], {'first', 'second'}, 'AutoUpdate', 'off')
xline(0.5)
0 Kommentare
Sean de Wolski
am 19 Apr. 2019
Bearbeitet: Sean de Wolski
am 19 Apr. 2019
myxline = xline(10,'r',"Hello")
myxline.Label = ""
myxline.DisplayName = ""
Disable the label and/or DisplayName.
3 Kommentare
Sean de Wolski
am 19 Apr. 2019
Bearbeitet: Sean de Wolski
am 19 Apr. 2019
I had myxline = in my command history, apparently failed to copy, doh!
Hello would be the label for the xline, was just showing how you might have the label or not.
In order to create the legend without the xline() don't call legend() directly, call it only on the graphics objects you want:
h = plot(1:10)
xline(3)
legend(h, "Hello World")
Adam Danz
am 19 Apr. 2019
I see. "Hello" labels the line on the plot. That's a nice feature.
The legend handel suggestion matches the 'option 1' in my answer, too.
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