Adjustment of Contour Plot

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JACK LONDON
JACK LONDON 2023-1-7
评论： Adam Danz 2023-1-7
I have data consist of X(x coordinate) Y(y coordinate) Z(velocity). I created below countour plot with below code:
xyz = readmatrix('velocity.txt');
plot(xyz(:,1),xyz(:,2),'.')
I = scatteredInterpolant(xyz(:,1),xyz(:,2),xyz(:,3));
[x,y] = meshgrid(unique(xyz(:,1)),unique(xyz(:,2)));
contourf(x,y,I(x,y))
colorbar
However, I tried to plot contour graph with special software It gives more detail about ploting given below:
I want to plot in this format in Matlab.
-The contour line more smooth and rounded
-Contor line magnitude is given
Note: Iteration method is "Krigging" but in MATLAB it could be different I tried to plot contour graph similar to last image. Thank you.
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JACK LONDON
JACK LONDON 2023-1-7
I use Arcgis software and I used interpolant automatically calculated from the software
Adam Danz
Adam Danz 2023-1-7
There are some kriging interpolation function on the file exchange you could try:
https://www.mathworks.com/matlabcentral/fileexchange/?term=kriging

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