Wrong Legend Sign Marker

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Fabio Taccaliti
Fabio Taccaliti on 1 Jul 2022
Commented: Star Strider on 1 Jul 2022
Hello, I would like to show the legend for a1 and (a3,a4) together.
But when I run it both legend entry are displayed with a black filled dot and not with the red one (the second).
How can I fix it?
for i = z
hold on; grid on; grid minor; axis equal;
set(gcf, 'Color', 'White');
set(gca, 'Fontsize', 12);
set(gca, 'ZDir','reverse')
a1 = scatter3(x*100,y*100,i*100,15,'filled', 'k');
a2 = plot3(X3D*100, Y3D*100, Z3D*100, 'k');
a3 = scatter3(C2(:,1),C2(:,2),C2(:,3),'filled', 'r'); %No Flow
a4 = scatter3(C22(:,1),C22(:,2),C22(:,3),'filled', 'r'); %No Flow
xlabel('x [mm]')
ylabel('y [mm]')
zlabel('z [mm]')
legend([a1, a3 a4], 'Fiducial Markers', 'IPR Markers')
title('Fiducial Markers vs. IPR Tracked Markers')
subtitle('Wing NO Flow - 6DOF Fit')

Accepted Answer

Star Strider
Star Strider on 1 Jul 2022
I am not able to run the code so I cannot test this, however one approach could be:
legend([a1(1), a3(1) a4(1)], 'Fiducial Markers', 'IPR Markers')
Experiment with that approach (or similar approaches).
(I will delete my Answer if it fails to solve the problem.)
Star Strider
Star Strider on 1 Jul 2022
As always, my pleasure!

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