How to set 'ShowArrowHead' off in the legend of a quiver plot?

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Sean
Sean on 8 Jun 2021
Commented: Sean on 3 Aug 2021
In a quiver plot, there is a way to turn off arrow head by setting 'ShowArrowHead' off.
However the setting is not inherent by the associated legend. How to turn off arrow head for quiver plot legend?

Answers (1)

Shadaab Siddiqie
Shadaab Siddiqie on 29 Jul 2021
From my understanding you want to turn off the arrowhead from the quiver plot. For that you can set 'Marker' property of quiver to 'none'. Here is an example to illustrate it:
[X,Y] = meshgrid(-pi:pi/8:pi,-pi:pi/8:pi);
U = sin(Y);
V = cos(X);
q = quiver(X,Y,U,V);
q.ShowArrowHead = 'off';
q.Marker = 'none';
  3 Comments
Sean
Sean on 3 Aug 2021
Thanks for your answer. That's also my current solution that manually creates the legend.
I do have other layers of other plot features 'hold on'. So I am looking for a consistent way of generating legends for all features.
I am still looking for an automated solution given that a legend of a plot should always be updated with the plot features it represents. Apparently, it's a bug that the quiver plot allows the user to turn off 'ShowArrowHead' but this modification is not updated in the corresponding legend.

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