How to extract x, y data values from matlab figure?

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Prasanna
Prasanna 2018-2-19
回答： shubham kumar gupta 2022-9-10
please find the attachment; in the figure, there are two data values. i need the x and y values of this data.

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KSSV
KSSV 2018-2-20
Open the figure:
h = findobj(gca,'Type','line')
x=get(h,'Xdata') ;
y=get(h,'Ydata') ;
(x,y) is your required data.
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Siddhartha Ganguly
Siddhartha Ganguly 2022-5-20
编辑：Siddhartha Ganguly 2022-5-20
Hi, how can I extract data andd save as mat file from a figure which has 3 subplots, like this:
Zack Trahem
Zack Trahem 2022-7-19
let say i have y values and need to find the corresponding location, can we find the unspecified location? As an example on figure i want to find the time of the 68.5 m/s ??

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更多回答（2 个）

Shahid Abbas
Shahid Abbas 2021-2-10
If you want to get the values of unknown points from the figure and have to use in code then this could be helpful.
delete 2.fig;
savefig('2.fig');
open('2.fig');
h = gcf; %current figure handle
axesObjs = get(h, 'Children'); %axes handles
dataObjs = get(axesObjs, 'Children'); %handles t
xdata = get(dataObjs, 'XData');
ydata = get(dataObjs, 'YData');
shubham kumar gupta

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