Hello,

    I have the following problem: I have a set of 3d points irregularly spaced. I have to obtain a grid with the interpolated values between the points and I have to use a spline interpolation. I have seen some R packages that perform some kind of interpolation but I don't know which one should I use. Can anyone help me to find the right one?
    I just used the 'Tps' method of the 'fields' package and i've obtained a nice graphic. Does anyone knows how to export the result of the interpolation to be used in a GIS application?

Thanks in advance
Fernando
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