Storing a surface slice in a .mat file and plotting the stored slice
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Hans Martin
le 16 Oct 2020
Commenté : Ameer Hamza
le 16 Oct 2020
Hi,
I use the slice function in matlab to slice through an echocardiopgrahic volume. As i create several slices from the volume, i want to increase the speed of my function. I want to create all the slices I want to plot (180 x 30ish slices) and store them somewhere (.mat or something simmilar). Then I want to be able to extract one of the slices and plot it. Here is what i want to do:
create several slices s,s1,s2....
s=slice(X,Y,Z,vol,X_1,Y_1,Z_1,'linear');
s1=slice(X,Y,Z,vol,X_2,Y_2,Z_2,'linear');
s2..
save(s,s1,s2....)
If i want to plot s2:
plot(s2)
I know that it will take some time to store all the slices, but then i omit to use the slice function everytime i want a new slice. I have experienced that the interp3 function is rather slow. I do not want to store them as a image, but i want the surface structure to be the same.
Is this possible?
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Ameer Hamza
le 16 Oct 2020
Modifié(e) : Ameer Hamza
le 16 Oct 2020
Why not just save the .fig files. See savefig(): https://www.mathworks.com/help/matlab/ref/savefig.html
Alternatively, you can also save fig handle in a .mat file, but that is not an recommended approach.
And if you really want to save the handle of slice objects in a .mat file then you can replot then as shown below
Save a slice object
s = slice(X,Y,Z,vol,X_1,Y_1,Z_1,'linear');
save('slices.mat', 's');
Then load them like this
data = load('slices.mat');
s = data.s;
ax = axes();
hold(ax);
view(3);
copyobj(s, ax);
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KSSV
le 16 Oct 2020
You save all the slices into a cell and save them into .mat file.
S = cell(N,1) ;
S{1} = slice(X,Y,Z,vol,X_1,Y_1,Z_1,'linear');
S{2} = slice(X,Y,Z,vol,X_2,Y_2,Z_2,'linear');
Now you can save S alone which is a cell into a .mat file.
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