save the information of the point by clicking on the graph
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Hi,
I have a series of plots that will show up one after another, I want to activate the action that for each plot the user should pick two points in the plot ( start and end) and the information of those two points will be saved for all those graphs.Can anybody know how to tackle this problem?
thanks
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Evan
2012 年 11 月 7 日
編集済み: Evan
2012 年 11 月 7 日
You can get the indices of your selection by calling datacursormode and setting a custom update function. Example:
function cursortest
fig = figure;
imagesc
h = datacursormode(fig);
set(h,'UpdateFcn',@myupdatefcn)
datacursormode on
end
function txt = myupdatefcn(obj,event_obj)
% Get selection position
txt = get(event_obj,'Position')
end
That would give you the information you need to obtain and save the selected values from your plotted arrays.
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