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Re: 3D interpolation on an irregular grid [message #24988]

Wed, 09 May 2001 08:57

Wayne Landsman
Messages: 117
Registered: January 1997

Senior Member

"John Marsham (cm)" wrote:

> There seems to be no IDL function that will interpolate in 3D on an
> irregular grid. Am I wrong? Or does someone have one?
>

You might want to try the routines for 1-d, 2-d, or 3-d interpolation
written by Joop Schaye at
http://idlastro.gsfc.nasa.gov/ftp/pro/math/

ngp.pro - "Nearest Grid Point" interpolation (lowest order)
cic.pro - "Cloud in Cell" interpolation (higher order)
tsc.pro - "Triangular Shaped Cloud" interpolation (highest order)

--Wayne Landsman
landsman@mpb.gsfc.nasa.gov

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Re: 3D interpolation on an irregular grid

By: Wayne Landsman on Wed, 09 May 2001 08:57

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