Dear Researchers,

sorry for the first email but i have connection problem

I am writing a code to evaluate several interpolation methods to create a
DEM from LiDAR points. I read in bibliography several papers and methods,
but same methods I didn't find inside the library:

Methods
Inverse distance weighted = library RSAGA
completely regularised spline =  ??
thin plate splines = library RSAGA
splines with tension = ??
inverse quadratic = ??
natural neighbour = library RSAGA (there is a problem)
Nearest Neighbour = library RSAGA
Modifed Quadratic Shepard = library RSAGA
Multilevel B-Spline Interpolation = library RSAGA

are there another library with the missing interpolation methods?

thanks in advance
Gianni

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