My question is similar to the recent question, however my problem is slightly different.
how can I do it without using eval
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There are quite a few handles of uicontrols and uipanels named h1,h2...hN in my code exported by GUIDE. I want to create structure of handles with names handles.(Tag) for all uicontrols. How can I do it without using eval?
for k=2:N
ns=num2str(k);
hs=eval(['h',ns]);
Tag=get(hs,'Tag');
handles.(Tag)=hs;
end
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Walter Roberson
2019년 6월 17일
If it is code exported by GUIDE, then GUIDE will automatically create those handles for you. It is done as part of the initialization of the gui. It goes something like
handles_with_tags = findobj(GUI, '-property', 'Tag');
for K = 1 : length(handles_with_tags)
this_handle = handles_with_tags(K);
thistag = get(this_handle, 'Tag');
if isvarname(thistag)
handles.(thistag) = this_handle;
end
end
Except that it does extra work so that when it finds multiple objects with the same tag, it creates a vector of handles.
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Adam Danz
2019년 6월 17일
Assuming the handles are stored in a vector,
allhand = [h1,h2,h3]; %row vector
tags = get(allhand, 'tag');
handles = cell2struct(num2cell(allhand)',tags); %no need for transpose if allhand is column vector
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