Data cursor on GUI plot

4 次查看（过去 30 天）
Alex
Alex 2013-11-20
编辑： Reza Sadeghi 2020-2-25
Hi, I have a GUI with a table and a plot as you can see: </matlabcentral/answers/uploaded_files/4822/guisanstitre.png>
I woudl like to put a Data cursor on my plot to get the value of points.
I try to do :
hPlot=plot(handles.axes1,courbe);figure(gcf) % display my plot
dcm_obj = datacursormode(hPlot);
datacursormode on;
set(dcm_obj,'UpdateFcn', @myupdatefcn )
but matlab return an error:
Error using datacursormode (line 144)
Invalid figure handle
Could you help me, maybe there is a better way to get a data cursor?
Thank you

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回答（2 个）

Alex
Alex 2013-11-22
Nobody can help me :(
Sébastien MAILFERT
Same problem, 5 years later :-(
  1 个评论
Reza Sadeghi
Reza Sadeghi 2020-2-25
编辑：Reza Sadeghi 2020-2-25
I think the following line may help you
[x,y] = ginput(1)

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