quiver arrows in color representing another variable?

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Claudio Iturra
Claudio Iturra 2023-8-21
评论： Dyuman Joshi 2023-8-22
Hi
Is it possible to incorporate a second variable into the quiver code? Could the color arrows in quiver be used to represent another variable, such as temperature or humidity ? This would work similarly to the scatter code, where the arrows indicate both the direction and magnitude of the wind but in color another variable?.
Thanks
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Claudio Iturra
Claudio Iturra 2023-8-21
编辑：Claudio Iturra 2023-8-22
hi, is just a quiver with the ShowArrowHead option off.
quiver(x,y,u,v,0.1,'b','ShowArrowHead','off');
Look, thi is the ugly version, making a hold on of the quiver with the scatter...
quiver(x,y,u,v,0.1,'b','ShowArrowHead','off');
hold on
scatter(x,y,10,temp,'filled');
Dyuman Joshi
Dyuman Joshi 2023-8-22
It's not possible with quiver, as @Walter Roberson mentions below.
You could try getting a similar plot via feather() instead of quiver().

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回答（1 个）

Walter Roberson
Walter Roberson 2023-8-21
Not by using quiver(). quiver() creates a quivergroup(), which internally contains two LineStrip objects. The LineStrip objects have a CData property that appears to only accept a single color.

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