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Re: Event Object for Datacursormode
Posted:
Dec 30, 2012 3:08 PM
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Hello Matt,
Thanks for your replies to both my posts. I modified my datatextboxfunction as follows to store my desired variables in figure handles:
function [txt,pos] = datatextbox(~,event_obj,ancestor)
pos = get(event_obj,'Position');
txt = {['Vector Length: ',num2str(pos(1))],...
['MOS: ',num2str(pos(2))]};
setappdata(handles.figure1,'img',pos);
%setappdata(handles.figure2,'txtx',txt);
end
However, now my data tip is not showing the correct information (Vector length and Mos) , and shows Error in Custom data tip function instead. When I remove the setappdata function it starts working again.
"Matt J" wrote in message <kbosk1$b1q$1@newscl01ah.mathworks.com>...
> "Matt J" wrote in message <kbon7f$njj$1@newscl01ah.mathworks.com>...
> > "Nima Nikvand" <nnikvand@uwaterloo.ca> wrote in message <kboj05$ahe$1@newscl01ah.mathworks.com>...
> > >
> > > function [txt,pos] = datatextbox(~,event_obj)
> > >
> > > and this works very well. However, I'd like to be able to get the output of my datatextbox function and I was wondering if I can some how call the function directly by passing the event_obj to it. I'd greatly appreciate your suggestions, or any other solutions to get the output arguments.
> > =============
> >
> > If you make datatextbox a nested function, every variable in its workspace will also be available in the workspace in which it is nested.
>
> You could also call setappdata from within datatextbox and store the txt,pos output data to the parent figure. Pass the figure handle to datatextbox using this syntax
>
> set(dcmObj,'UpdateFcn',{@datatextbox, ancestor(dcmObj,'figure')});
>
> Then use getappdata to pull it out later.
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