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creat a grid from xyz file

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wassim boulala
wassim boulala on 27 Aug 2020
Commented: jonas on 28 Aug 2020
Hi!
I have a file of X,Y,Z values (X,Y are cartesian coordinates) and Z the altitude (it's a topo-bathymetry file).
can you tell me please how to creat a grid which contains this altitudes .
thank you

Answers (1)

jonas
jonas on 27 Aug 2020
%make a 100x100 grid
[XX,YY] = meshgrid(linspace(min(X),max(X),100),linspace(min(Y),max(Y),100))
%interpolate Z data to grid
ZZ = griddata(X,Y,Z,XX,YY)
  8 Comments
jonas
jonas on 28 Aug 2020
Sorry, but this is waste of time. I'll respond when you ask a coherent question.

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