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Why we can't directly delete Legend entries?

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maro
maro on 12 May 2013
Edited: Walter Roberson on 16 Oct 2018
Hi,
As in question Why we can't directly delete Legend entries from Matlab figure?

Answers (3)

Image Analyst
Image Analyst on 12 May 2013
Edited: Image Analyst on 12 May 2013
I don't know. You have to do it indirectly, such as by reissuing the legend command with fewer entries, or by calling findobj(), finding the entry you wish to delete, and then calling delete(itemHandle). Calling legend() again is not too bad - you already have the strings, so it's not too much trouble just to leave one off - that's about the same work to do than if you did something like (unsupported) legend('Remove', stringToRemove);

Jacob Moreland
Jacob Moreland on 1 Mar 2018
This is an old question, but this works in MATLAB 2015a, delete the lines you want to remove from the legend, delete the legend, and then ctrl-z to bring the legend back, and the legend should come back with only the legend entries removed.
  1 Comment
Walter Roberson
Walter Roberson on 1 Mar 2018
With recent versions of MATLAB, delete the lines you want to remove from the legend, and then command
legend show
to have it update the legend.

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Mike D.
Mike D. on 15 Oct 2018
What if you didn't want to delete the curves/lines from the plot, but only wanted certain things deleted from the legend?
  6 Comments
Mike D.
Mike D. on 16 Oct 2018
I'm not seeing doMarkDirty do anything, but the following works for removing curves from legend of a mapping toolbox figure:
Select curve on the mapping figure, and type this:
h = gco;
h.Annotation.LegendInformation.IconDisplayStyle = 'off';
legend off
legend

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