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How to obtain handlers to line objects from a legend object?

Asked by Mats Jansson on 5 Jun 2018
Latest activity Edited by Yair Altman on 12 Jul 2018
Is it possible to obtain the line-handlers from a legend-handler? Example:
hLines = plot(x1, y1, x2, y2, ...);
hLegend = legend(hLines, {'Text1', 'Text2', ...});
The figure, axes, lines and legend may now be changed via code or GUI. Some plotted lines are not included in the legend. Is there a way to obtain the lines that corresponds to the legend?
Best regards

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R2017b

2 Answers

Answer by Walter Roberson
on 5 Jun 2018
 Accepted Answer

In R2014b and later, if you have a legend, hLegend, that is displaying text for only some of the lines you passed in (for example you passed in too few text strings), and you wish to find out which line handles do have entries in the legend, then
hLegend.PlotChildren

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Thanks!
This is exactly what I need. It seems to be completly undocumented in R2017b.

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Answer by Yair Altman on 12 Jul 2018
Edited by Yair Altman on 12 Jul 2018

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