How can I enlarge the height of legend box?

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Riyadh Muttaleb
Riyadh Muttaleb 2018-9-26
评论： Adam Danz 2018-9-27
Hi everyone,
I would like to enlarge the legend box size (height), I tried to use [set(hleg1,'position',[x0 y0 width height])]
and [textobj = findobj(hobj1, 'type', 'text');set(textobj, 'Interpreter', 'latex', 'fontsize', 15);] but didn't work..
any help,
Thanks in advance, Riyadh

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回答（1 个）

Adam Danz
Adam Danz 2018-9-26
You need to use the handle to the legend which you create when you call legend(). The height is the 4th value of the Position parameter. Here I set the height to 10.
lh = legend('BlankLegend');
lh.Position(4) = 10;
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Riyadh Muttaleb
Riyadh Muttaleb 2018-9-27
编辑：Riyadh Muttaleb 2018-9-27
Is there any method to make the legend text in the center? I think the text centering will solve my problem.
Adam Danz
Adam Danz 2018-9-27
I made up the name legenHandle - you are supposed to substitute that with your variable name that stores the legend handle.
So I think my hunch is correct. 0.05 and 0.1 are both too small to fit your legend text so the code is ignoring your requesting and fitting the legend to the text. 0.2 is too big. So if you keep playing around with it, you'll find the right size.
There are lots and lots of legend properties you can use to control the appearance of your legend. Try changing the number of columns, for example.
https://www.mathworks.com/help/matlab/ref/matlab.graphics.illustration.legend-properties.html#bt7bgi4-1-NumColumns

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