Getting unwanted box in the legend
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Hi,
I am getting an unwanted box type legend symbol as can be seen in the attached plot. Please help me to get rid-off this thing.
Here is my code for the plotting.
clear all
% Load data for the first data set
infile = 'JGD200z0.0.txt';
data1 = load(infile, '-ascii');
gd1 = data1(:, 1);
pt1 = data1(:, 3);
teff1 = data1(:, 2);
% Load data for the second data set
infile = 'JGD200z0.2.txt';
data2 = load(infile, '-ascii');
gd2 = data2(:, 1);
pt2 = data2(:, 3);
% Load data for the third data set
infile = 'JGD200z0.4.txt';
data3 = load(infile, '-ascii');
gd3 = data3(:, 1);
pt3 = data3(:, 3);
teff3 = data3(:, 2);
% Create a figure
figure;
% Create a 2D surface plot for the first data set
h1 = surf([pt1'; pt1'], [gd1'; gd1'], [teff1'; teff1'], 'EdgeColor', 'interp', 'FaceColor', 'none', 'LineWidth', 3.5, 'LineStyle','--');
hold on;
% Create a 2D surface plot for the second data set
h2 = surf([pt2'; pt2'], [gd2'; gd2'], [teff1'; teff1'], 'EdgeColor', 'interp', 'FaceColor', 'none', 'LineWidth', 3.5, 'LineStyle','-.','marker','o');
% Create a 2D surface plot for the third data set
h3 = surf([pt3'; pt3'], [gd3'; gd3'], [teff3'; teff3'], 'EdgeColor', 'interp', 'FaceColor', 'none', 'LineWidth', 3.5);
% Set the view to have a 2D appearance
view(2);
% Add colorbar
c = colorbar;
ylabel(c, '\bf \fontsize{18}{0}\selectfont $\mathbf T_{eff}$ [GeV]', 'Interpreter', 'latex');
% Set legend
legend([h1, h2, h3], '\zeta = 0.0', '\zeta = 0.2', '\zeta = 0.4');
set(legend, 'FontSize', 25, 'FontWeight', 'bold');
grid on;
title('T = 0.200 GeV','$\mathbf J/\psi$', 'BackgroundColor', [1 1 1], 'LineWidth', 2.5, 'EdgeColor', [0 0 0], 'FontSize', 40, 'Interpreter', 'latex');
ylabel('\bf \fontsize{27}{0}\selectfont $\mathbf \Gamma_{D}$ [GeV]', 'Interpreter', 'latex');
xlabel('\bf \fontsize{27}{0}\selectfont $\mathbf p_{T}$ [GeV]', 'Margin', 4, 'HorizontalAlignment', 'center', 'Interpreter', 'latex', 'VerticalAlignment', 'middle');
ax = gca;
ax.LineWidth = 2.5;
ax.TickLength = [0.02 0.0095];
set(gca, 'XMinorTick', 'on', 'YMinorTick', 'on')
0 Commenti
Risposte (1)
Walter Roberson
il 28 Feb 2024
Spostato: Walter Roberson
il 28 Feb 2024
The boxes in the legend are because you are using surf()
You could create dummy lines,
H(1) = plot(nan, nan, 'LineStyle', '--', 'displayname', '\zeta = 0.0');
H(2) = plot(nan, nan, 'LineStyle', '-.', 'displayname', '\zeta = 0.2');
H(2) = plot(nan, nan, 'LineStyle', '-', 'displayname', '\zeta = 0.4');
legend(H, 'show')
3 Commenti
Walter Roberson
il 4 Mar 2024
If you replace your current lengend call with
legend(H, 'show')
then you will only legend() the regular (dummy) lines, without the legend showing the boxes,
Walter Roberson
il 4 Mar 2024
h1 = surf(rand(3,5), rand(3,5), rand(3,5));
hold on
h2 = surf(rand(3,5), rand(3,5), rand(3,5));
h3 = surf(rand(3,5), rand(3,5), rand(3,5));
H(1) = plot(nan, nan, 'LineStyle', '--', 'displayname', '\zeta = 0.0');
H(2) = plot(nan, nan, 'LineStyle', '-.', 'displayname', '\zeta = 0.2');
H(3) = plot(nan, nan, 'LineStyle', '-', 'displayname', '\zeta = 0.4');
legend(H)
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