Save ROI lines without saving handles

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John D
John D 2019-11-24
回答： John D 2019-11-25
I have the following code in a GUI which saves a set of user-drawn lines to an array.
h = drawline(handles.axes1,'Tag','userLine');
However, when I save this to a .mat file like so:
lineHandles = findobj(handles.axes1,'Tag','userLine');
save('roi.mat','lineHandles')
I get a 0x0 GraphicsPlaceholder object when I load it back.
So, how do I go about saving the actual Line objects and not the handle?
Thanks in advance.

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采纳的回答

John D
John D 2019-11-25
Answered my own question: created deep copy
lines = lineHandles(:,:);
save('roi.mat', 'lines');

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