Why is the patch function modifying the line width of existing lines?
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Hello all, I am having some trouble with the patch function, whenever I use it it is changing the line width (at least apparently) of already existing lines. Here is a code example:
t=0:0.01:4
figure
plot(t,t.^2)
hold on
plot([1,1],[0,16],'--r','LineWidth',2)
plot([2,2],[0,16],'--r','LineWidth',2)
plot([3,3],[0,16],'--r','LineWidth',2)
patch([1,1,2,2],[0,16,16,0],'b','FaceAlpha',0.1,'LineStyle','none')
Before the patch command, the lines have a specific width, but after it they change! Has someone faced this problem before? Is there any solucion to it?
Thank you very much in advance,
Ana
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Walter Roberson
2015년 6월 9일
When you add the patch() the renderer changes to OpenGL, as only OpenGL can handle transparency (FaceAlpha).
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