MATLAB 如何绘制半透明的曲线?如何控制透明度?
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MathWorks Support Team
il 18 Ott 2019
Modificato: MathWorks Support Team
il 30 Dic 2021
MATLAB 如何绘制半透明的曲线?如何控制透明度?
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MathWorks Support Team
il 12 Set 2021
Modificato: MathWorks Support Team
il 30 Dic 2021
基本的plot函数不支持半透明,但可以使用scatter函数,且可以分开控制标记填充和标记边界的透明度。参考代码:
scatter1 = scatter(x,y,'MarkerFaceColor','r','MarkerEdgeColor','k');
% Set property MarkerFaceAlpha and MarkerEdgeAlpha to <1.0
scatter1.MarkerFaceAlpha = .2;
scatter1.MarkerEdgeAlpha = .2;
或者
scatter1 = scatter(x,y,'MarkerFaceColor','r','MarkerEdgeColor','k');
alpha(scatter1,.2)
如果想要使用plot绘制透明标记,可以参考代码:
plot(x,y);
hold on
scatter1 = scatter(x,y,'MarkerFaceColor','r','MarkerEdgeColor','k');
scatter1.MarkerFaceAlpha = .2;
hold off
如果需要对plot的线设置为半透明,参考代码:
plot1 = plot(x,y);
plot1.Color(4) = 0.2;
更多说明请参考:
https://www.mathworks.com/help/matlab/ref/alpha.html?#buvaucs-5
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