0 个投票

I want to save 3 images as jpg of dimension 227x227-
  1. Heatmap1
  2. Heatmap2
  3. Subplot of Heatmap1 and Heatmap2
This is the code for my heatmaps:
% Heatmap1
subplot(2,1,1)
heata=heatmap(n2E);
heata.GridVisible='off';
colormap(jet)
heata.ColorbarVisible='off';
caxis([-0.4440 0.8660 ])
heata.FontColor='none';
%Heatmap2
subplot(2,1,2)
heatp=heatmap(n2);
heatp.GridVisible='off';
colormap(jet)
heatp.ColorbarVisible='off';
caxis([0 4095])
heatp.FontColor='none';
%subplot of heatmaps
ha=get(gcf,'children');
set(ha(1),'position',[.1 .1 .8 .4])
set(ha(2),'position',[.1 .5 .8 .5])
I was able to save the subplot of the heatmaps using:
Path=strcat('C:\Users\Admin\Documents\MATLAB\h3.jpg';
saveas(gcf,Path);
I'm not able to save Heatmap1 and heatmap2 as seperate image files as well.
Please help me out with the code.

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 采纳的回答

Ameer Hamza
Ameer Hamza 2020-6-24

1 个投票

If you are using R2020a, you can use exportgraphics() ans specify the handle of graphic object.
n2E = rand(10); % for example
n2 = rand(10);
% Heatmap1
subplot(2,1,1)
heata=heatmap(n2E);
heata.GridVisible='off';
colormap(jet)
heata.ColorbarVisible='off';
caxis([-0.4440 0.8660 ])
heata.FontColor='none';
%Heatmap2
subplot(2,1,2)
heatp=heatmap(n2);
heatp.GridVisible='off';
colormap(jet)
heatp.ColorbarVisible='off';
caxis([0 4095])
heatp.FontColor='none';
%subplot of heatmaps
ha=get(gcf,'children');
set(ha(1),'position',[.1 .1 .8 .4])
set(ha(2),'position',[.1 .5 .8 .5])
exportgraphics(gcf, 'figure.jpg');
exportgraphics(ha(1), 'subplot1.jpg');
exportgraphics(ha(2), 'subplot2.jpg');

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meghna roy chowdhury
编辑：meghna roy chowdhury 2020-6-24
Thank you!
I want to save the 2 subplots as 227x227 size images. How do I do that?
Ameer Hamza
Ameer Hamza 2020-6-25
In that case, you may need to read the images, use imresize() and then save the image using imwrite().
img1 = imread('subplot1.jpg');
img1 = imresize(img1, [227, 227]);
imwrite(img1, 'subplot1.jpg');
% same for subplot2
Add these lines at the end of the code.

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