Extract a profile from 3D data

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ConanTaieb
ConanTaieb 2021-9-29
评论： ConanTaieb 2021-9-29
Hello,
How can we extract a 2d profile from a surface?
Input: point cloud N * 3 (X, Y, Z).
Output: profile (X, Z) for constant Y for example
Thank you!

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KSSV
KSSV 2021-9-29
If data is structured:
x = X(1,:) ;
y = Y(1,:) ; % give your required row value depending on y-value
z = interp2(X,Y,Z,x,y) ;
If data is scattered:
F = scatteredInterpolant(X,Y,Z) ;
% define your required (x,y)
z = F(x,y) ;

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