How to set legend marker size
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How do I change the marker size on the legend ? I can change the font size but not marker.
l = legend('Orientation', 'Horizontal', 'RNN (Ours)', 'SLIC', 'SEEDS', 'LSC', 'ERS', 'FH');
l.FontSize = 20;
%l.MarkerSize = 20; does not work
%l.markersize = 20; does not work
set(l,'Position', [0.4 0 0.2 0.2], 'Units', 'normalized');
%set(l,'MarkerSize', 20); does not work
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Risposte (3)
Carl Witthoft
il 11 Apr 2019
Best way: see Stackoverflow question 2871747
% thanks to , Luis Mendo and Lea
[~, objh] = legend({'one plot', 'another plot'}, 'location', 'NorthWest', 'Fontsize', 14);
%// set font size as desired
% note that even if you plot(x,y,'.') it's a "line" plot
objhl = findobj(objh, 'type', 'line'); %// objects of legend of type line
set(objhl, 'Markersize', 12); %// set marker size as desired
% or for Patch plots
objhl = findobj(objh, 'type', 'patch'); % objects of legend of type patch
set(objhl, 'Markersize', 12); % set marker size as desired
11 Commenti
Gayan Lankeshwara
il 21 Giu 2020
I am working in Matlab 2019a, but Carl's code does not work in my case for a line plot.
objhl = findobj(objh, 'type', 'line'); %// objects of legend of type line
set(objhl, 'Markersize', 12); %// set marker size as desired
I mean, even if I change the value of MarkerSize, nothing changes.
Any update ?
Thanks.
Walter Roberson
il 21 Giu 2020
Are you using legend() with at least two output arguments? If you only have one output for legend then legend works differently.
Akira Agata
il 16 Lug 2017
How about changing the marker size of your plot? Here is an example.
plot(magic(4),'o','MarkerSize',10);
l = legend('a','b','c','d');
2 Commenti
Arnoud Jochemsen
il 15 Feb 2022
Note that this only works up to a certain size. When using 15 instead of 10, the legend markers are clearly smaller than the plot markers.
plot(magic(4),'o','MarkerSize',15);
l = legend('a','b','c','d');
Walter Roberson
il 16 Lug 2017
The exact version you are using makes a difference now.
2 Commenti
Fernon Ejikhoudt
il 11 Lug 2018
I have the same problem and I'm using 2018a. Is there an answer to this. otherwise it almost makes the printed graphs useless because of the extremely tiny dots.
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