Merging figures with subplots into a large figure with subplots

Hi all,

I have a question about the merging of figures. I have 5 figures (.fig) consisting of 4 subplots (2x2). I want to merge these figures into one figure with the size of 6x4 where the first original figure will be placed in the left top (6,4,1/6,4,2/6,4,5/6,4,6), the second in the right top (6,4,3/6,4,4/6,4,7/6,4,8) and so on. I tried several things with copyobj and findobj, but did not manage to figure out how to actually merge the subplots.

Can anyone help me with this problem?

Thanks in advance!

Answer 1

[Amit Bhowmick]

Hi Lars,

I had written this code to extract data from a figure file. Hope few modification will work for you.

clear all;
close all;
clc;
x=0:0.01:3;
for ii=1:4
    f(ii)=figure(ii);
    for jj=1:4
        subplot(2,2,jj),plot(x,x.^jj);
    end
end
savefig(f(1),'testFig1');savefig(f(2),'testFig2');
savefig(f(3),'testFig3');savefig(f(4),'testFig4');
clear all;close all;clc
fig(1)=openfig('testFig1.fig');fig(2)=openfig('testFig2.fig');
fig(3)=openfig('testFig3.fig');fig(4)=openfig('testFig4.fig');
kk=1;
for ii=1:4
    axObjs = fig(ii).Children;
    for jj=1:length(axObjs)
        dataObjs = axObjs(jj).Children;
        x = dataObjs.XData;
        y = dataObjs.YData;
        figure(5),subplot(4,4,kk)
        if(ishold==0)
            hold on;
        end
        plot(x,y);
        kk=kk+1;
    end
end

[Lars Bouten]

I wrote the code below with your help. But I keep getting this error:

Unrecognized method, property, or field 'XData' for class 'matlab.graphics.GraphicsPlaceholder'.

Error in Merge_figures (line 22)

x=dataObjs.XData;

clear; close all; clc; format compact;

fig(1) = openfig('HR within period.fig');

fig(2) = openfig('TC within period.fig');

kk=1;

for ii=1:2

axObjs=fig(ii).Children;

for jj=1:length(axObjs)

dataObjs=axObjs(jj).Children;

x=dataObjs.XData;

y=dataObjs.YData;

figure(3),subplot(4,4,kk)

if(ishold==0)

hold on;

end

plot(x,y);

kk=kk+1;

end

end

What should I do to make the script work?

[Amit Bhowmick]

dataObjs

dataObjs =

Line with properties:

Color: [0 0.4470 0.7410]

LineStyle: '-'

LineWidth: 0.5000

Marker: 'none'

MarkerSize: 6

MarkerFaceColor: 'none'

XData: [1×301 double]

YData: [1×301 double]

ZData: [1×0 double]

Show

What kind of figure file you do have

is it a line plot or contour plot ? you can check the properties simply typing dataobjs then enter

[Lars Bouten]

It is a line plot. DataObjs shows a 0x0 empty GraphicsPlaceholder array, which I do not understand because there is a plot visual in each subplot in the original figure.

[Amit Bhowmick]

You can share your figure file if you whish.