Getting handle for subplot of saved figure

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Amol Khalate
Amol Khalate 2013-8-6
编辑： dpb 2017-10-24
Dear all,
I've a saved Matlab figure, which has several subplots. I would like to know how to get handles for different subplots after opening this figure.

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回答（1 个）

dpb
dpb 2013-8-6
A) If you know the number of subplots/orientation a priori, then
h=subplot(n,m,i);
will return the handle for the existing subplot at that location when gcf is the correct figure.
B) To find them not knowing the above, after hgload()
h=get(gcf,'children');
as the axes are the children of the figure; other stuff is descended from the axes object. Can always check on the above to ensure that
get(get(gcf,'children'),'type')
returns axes
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Walter Roberson
Walter Roberson 2017-10-23
If you had tweaked the position of the subplots at all then subplot() is probably going to destroy rather than find what you want :(
... Probably the easiest way to handle all this is to assign distinct tags to each subplot when it is created, and then to later retrieve by tag.
dpb
dpb 2017-10-23
编辑：dpb 2017-10-24
True, but that ship had sailed...at worst in OP's case if the figure had been munged on after creation all that's lost is a step of reading it again and using the other alternative of retrieving all handles. A nuisance, perhaps, but since he's starting with a saved figure already, nothing is going to be lost.

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