matlab fig图片读取,从Matlab .fig文件中读取数据,并重新绘图

Matlab提供了强大的函数集合,可以从.fig文件中读取图中的数据,并重新绘制图形。如果原始数据丢失,我们可以从.fig文件中恢复原始数据,并基于原始数据做进一步的处理。

以下是一个从两个不同文件中读取原始数据,并重新绘制图形的例子。

h1 = openfig('1.fig','reuse'); % open figure

D1=get(gca,'Children'); %get the handle of the line object

XData1=get(D1,'XData'); %get the x data

YData1=get(D1,'YData'); %get the y data

Data1=[XData1' YData1']; %join the x and y data on one array nx2

h2 = openfig('2.fig','reuse'); % open figure

D2=get(gca,'Children'); %get the handle of the line object

XData2=get(D2,'XData'); %get the x data

YData2=get(D2,'YData'); %get the y data

Data2=[XData2' YData2']; %join the x and y data on one array nx2

figure;

plot( XData1{1}, YData1{3}, 'r-o', XData1{1}, YData1{2}, 'r--^', XData1{1}, YData1{1},'r-d', XData1{1}, YData2{3}, 'b-o', XData1{1}, YData2{2}, 'b--^', XData1{1}, YData2{1},'b-d','linewidth',1.5,'markersize',8);

legend('a','b','c','d','e','f');

xlabel('Number','fontsize',12);

ylabel('overhead','fontsize',12);

title('number and overhead')

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