multiple datatip value extraction

2012 5 17
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i have plotted my graph and have marked certain peaks in the graph with datatips. now i would like to extract all the marked values to either work space or anywer else so that i can plot those data again. i'm using R2009b

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Richard
Richard 2012-5-21

3 个投票

Hi Kumaresan, You can get the values of datatip positions using the datacursormode and getCursorInfo functions:
d = datacursormode(fig);
vals = getCursorInfo(d);
where fig is the handle to your figure and vals is a structure containing positions and data indices.

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kumaresan
kumaresan 2012-5-24
this is the comand i use to plot
h=semilogx(t1fft1hz,t1fft1g),
then i placed 5 datatips on my graph.
then i entered,
d = datacursormode(h);
vals = getCursorInfo(d);
mathlab showed,
??? Error using ==> datacursormode at 138
Invalid figure handle
wher did i went wrong?
Walter Roberson
Walter Roberson 2012-5-24
datacursormode() must be applied to a figure as a whole, not to a plot within a figure.

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