Quiver Transparency and Shape

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Ephraim Bryski
Ephraim Bryski 2020-7-5
回答： darova 2020-7-8
Hi.
I'm using quivers (with the quiver3 function) to show the stresses in a beam. I want to change the transparency of the quiver, but the alpha function apparently isn't compatible (this was in the warning after trying it). Is there another way of achieving this?
This is less important, but I was also wondering if there was a way of changing the shape of the arrow head to be conical instead of two lines so it appears the same regardless of orientation.
Thanks!

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回答（1 个）

darova
darova 2020-7-8
use patch to manipulate edgeAlpha
cla
t = linspace(0,2*pi,30);
[x,y] = pol2cart(t,1);
patch(x,y,t,'edgealpha',0.5,...
'facecolor','none',...
'edgecolor','flat')

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