Adding transparency when filling color in plots

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shane watson
shane watson 2019-12-5
评论： shane watson 2019-12-10
Hello,
I have question regarding the transparency, I wanted to fill the my plots with transprent color as there are four plots, so trying to show all of them. Here the code I'm trying,
z=rand(1,24);
s=rand(1,24);
t=rand(1,24);
time=1:24;
EP=[13.2 13.2 9.4 9.4 9.4 9 9 9 9 7 9 9 0 0 0 0 0 0 0 9 9 9 9 7];
x = time;
y = EP;
bottom = 0;
plot(x,y)
hold on
fill([x,fliplr(x)],[y,bottom*ones(size(y))], 'g')
hold on
z= New2
bottom =0;
plot(x,z)
hold on
fill([x,fliplr(x)],[z,bottom*ones(size(z))], 'b')
hold on
s=New3;
bottom = 0;
plot(x,s)
hold on
fill([x,fliplr(x)],[s,bottom*ones(size(s))], 'r')
hold on
t=New4;
bottom = 0;
plot(x,t)
hold on
fill([x,fliplr(x)],[t,bottom*ones(size(t))], 'y')
hold on
set(gca,'color','w','FontSize',7,'FontWeight','Bold','XTickLabelRotation',45,'XTick',1:24, 'XTickLabel',{'1' '1' '2' '3' '4' '5' '6' '7' '8' '9' '10' '11' '12' '1' '2' '3' '4' '5' '6' '7' '8' '9' '10' '11'});

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采纳的回答

Adam Danz
Adam Danz 2019-12-5
You can specify any of the patch properties to change your patch objects. To change transparency, set the FaceAlpha value (and maybe the EdgeAlpha).
h = fill(. . .);
h.FaceAlpha = 0.5; % for 50% transparent
% or
h = fill(. . .,'FaceAlpha',0.5)

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