Positioning bar and image in the same figure

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giannit
giannit 2020-5-1
评论： giannit 2020-5-1
I'm trying to print an image above a bar plot in the same figure, manually changing their position using the set command with the OuterPosition option.
This works only if the vertical coordinate of the image is at least 0.42, in fact if it is below this value then the image disappears.
How can I place the image below 0.42?
subplot(2,1,1)
imshow( imread('https://i.imgur.com/TVlQhpj.jpg') )
set(gca, 'OuterPosition', [.3 .42 .4 .4]);
subplot(2,1,2)
bar(1:10)
set(gca, 'OuterPosition', [.3 0 .35 .23]);
  4 个评论
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Rik
Rik 2020-5-1
I tend to use the Position property. Also, you can store the handle generated by subplot, so you can avoid gca. You can also directly create the axes in the position you want it with the axes function.
giannit
giannit 2020-5-1
I tried with this as you suggested, but image is still not showing
s1 = subplot(2,1,1)
imshow( imread('https://i.imgur.com/TVlQhpj.jpg') )
set(s1, 'Position', [.3 .41 .4 .4]);
s2 = subplot(2,1,2)
bar(1:10)
set(s2, 'Position', [.3 0 .35 .23]);

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采纳的回答

Ameer Hamza
Ameer Hamza 2020-5-1
Due to some reason, the subplot() command deletes the axes behind it. Also, as pointed out by Rik, you are setting the OuterPosition manually. It is better to use axes(). Although axes() also seems to delete the axes object behind it, so you need to hold() the axes. Try this
ax1 = axes();
imshow( imread('https://i.imgur.com/TVlQhpj.jpg') )
set(ax1, 'OuterPosition', [.3 .35 .4 .4]);
hold(ax1);
ax2 = axes();
bar(1:10)
set(ax2, 'OuterPosition', [.3 0 .35 .23]);
You can also avoid hold ing the axes if you pass OuterPosition directly to the axes call
ax1 = axes('OuterPosition', [.3 .35 .4 .4]);
imshow( imread('https://i.imgur.com/TVlQhpj.jpg') )
ax2 = axes('OuterPosition', [.3 0 .35 .23]);
bar(1:10)
  3 个评论
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giannit
giannit 2020-5-1
Is also possible with subplot!
subplot('Position',[x y w h])
imshow( imread('https://i.imgur.com/TVlQhpj.jpg') )
subplot('Position',[x y w h])
bar(1:10)

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