Re: f2gsh with missing values

From: Dennis Shea <shea_at_nyahnyahspammersnyahnyah>
Date: Wed, 9 Aug 2006 12:42:32 -0600 (MDT)

> I wanted to interpolate observational precipitation data(2.5x2.5) into
>CAM T42 grid. Seems f2gsh cannot deal with the input array which contains
>missing values. Is there any way I can still use this function to do such

[1] The "f2gsh" uses spherical harmonics ... think FFTs.
    These do not allow missing values.
    Even if you had no missing values, using spherical
    harmonics ib not a food idea foe fields that
    are bounded. Precip is bounded by 0.0
[2] I recommend bi-linear interpolation

good luck
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Received on Wed Aug 09 2006 - 12:42:32 MDT

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