Do figures have to be active to add plots to them?

Question

Tim Mottram 2012-9-25

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/49042-do-figures-have-to-be-active-to-add-plots-to-them

Hi Guys, This is the situation, I create 4 fill plots using and return there respective axis handles using:

 figure('OuterPosition',[1 scrsz(4)/2 scrsz(3)/2 scrsz(4)/2])
 SpecH = myFill(f1,specMat,'Frequency Spectrum');
 figure('OuterPosition',[scrsz(3)/2 scrsz(4)/2 scrsz(3)/2 scrsz(4)/2])
 AvgH = myFill(f2,bandAVGsMat,'Band Average');
 figure('OuterPosition',[1 scrsz(4)/36 scrsz(3)/2 scrsz(4)/2])
 VarH = myFill(f2,bandVarsMat,'Band Variance');
 figure('OuterPosition',[scrsz(3)/2 scrsz(4)/36 scrsz(3)/2 scrsz(4)/2])
 PwrH =  myFill(f2,pwr2ResMat,'Band Power ratio to the fundermental');

I then wish to put a new line on each fill plot as I pass through a loop. I do this using:

 hold on
 plot(SpecH,f1,dataStoreT(i,:),'g','LineWidth',2)
 plot(AvgH,f2,bandAVGsT,'g','LineWidth',2)
 plot(VarH,f2,bandVarsT,'g','LineWidth',2)
 plot(PwrH,f2,pwr2ResT,'g','LineWidth',2)
 hold off

When I run this; one of the plots, the one which is currently active, adds the line no problem. BUT the other three clear the "fill" type plots and just plot the line. I have noticed that this clearing of the old lines only happens to the plots which are not active (and also the active plot seems to always be the second to last one plotted?!..)

So my question is: How do I activate a plot before adding the line and is this necessary or is there some workaround?

Thanks in advance.

Kind Regards,

Tim.