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save the information of the point by clicking on the graph

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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?

Answers (1)

Evan on 7 Nov 2012
Edited: Evan on 7 Nov 2012
You can get the indices of your selection by calling datacursormode and setting a custom update function. Example:
function cursortest
fig = figure;
h = datacursormode(fig);
datacursormode on
function txt = myupdatefcn(obj,event_obj)
% Get selection position
txt = get(event_obj,'Position')
That would give you the information you need to obtain and save the selected values from your plotted arrays.


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