Quiver. Make wind scale of 1m/s inside plot
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Luis Jesús Olvera Lazcano
on 21 Sep 2023
Commented: Luis Jesús Olvera Lazcano
on 23 Sep 2023
I have had a really tough time thinking of a way to show a scale of the wind vectors that Im plotting.
Im using quiversc(lon,lat,u,v) but I dont know how to put a magnitude of reference (1 m/s for example) , as in the plot below.
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/1488892/image.png)
Thanks!
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Accepted Answer
Chunru
on 21 Sep 2023
Edited: Chunru
on 21 Sep 2023
[x, y] = meshgrid(-2:.2:2);
z = x.*exp(-x.^2-y.^2);
[dx, dy] = gradient(z, 0.2);
sc = 'off'; % scale
quiver(x,y,dx,dy, sc);
axis tight;
hold on
a = axis;
% posision of the ref arrow
xr = a(1)+0.1*(a(2)-a(1));
yr = a(4)-0.1*(a(4)-a(3));
quiver(xr, yr, 1, 0, sc) % unit lenght
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