Data Extraction using ginput

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Sai Gudlur
Sai Gudlur 2019-1-1
评论： madhan ravi 2019-1-2
Hello Everyone,
Happy new Year! To begin with. My question is i am using ginput and trying to acquire data of a plot. But the issue i am facing is when i try to aquire data between two selected points it gives me data through out the plot where the (find data points) condition is met rather then just between the selected points. Any help would be appreciated. Have attached my code, data file and also the figure for better understanding.
Thanks
Anand
[filename,pathname] = uigetfile('*.xlsx');
fullfilename = fullfile(pathname,filename);
A = xlsread(fullfilename);
Torque = movmean(A(:,1 ),50);
Angle = movmean(A(:,2),50);
plot(Torque);
[a,b] = ginput(2);
str1 = b(1);
fin1 = b(2);
i = find(Torque > str1 & Torque < fin1);
Torque1 = Torque(i);
Angle1 = Angle(i);
T = table(Torque1,Angle1);
ginput_Plot.jpg

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采纳的回答

Image Analyst
Image Analyst 2019-1-1
Maybe you mean:
startingIndex = a(1);
endingIndex = a(2);
x = 1 : length(Torque);
mask = find(x >= startingIndex & x < endingIndex);
Torque1 = Torque(mask);
Angle1 = Angle(mask);
  2 个评论
Sai Gudlur
Sai Gudlur 2019-1-1
Thanks a lot. Learnt my mistake was i wasn't assigning it to variable x which count of Torque and then have it index.
madhan ravi
madhan ravi 2019-1-2
+1 , 50000 points reached!!

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