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spline interpolation [message #5193]

Thu, 12 October 1995 00:00

t.osborn
Messages: 6
Registered: July 1995

Junior Member

Hi,

A colleague of mine hopes to do some "trivariate thin-plate splining" in
IDL. Has anyone already written routines to do such interpolation?

As I understand it, he has observations of some variable (T) at irregularly
spaced locations (X,Y), but T also varies with elevation (Z). He needs to
fit a spline surface through the T values, ultimately to obtain a regularly
gridded set of values, but the spline surface must also take into account the
dependence of T on Z.

Thanks in advance for any help or routines.

Tim

t.osborn@uea.ac.uk
Climatic Research Unit, University of East Anglia, Norwich, UK

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