Re: interplate data

From: murphys AT XXXXXX
Date: Thu Jul 24 2003 - 09:58:45 MDT

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    first i suggest that you subsample your global data in the
    area of the region you are interested in since data outside
    of this area would not be used in an interpolation.

    since you have regional data, you can not use any of the
    spherical harmonic based interpolation routines. That
    leave natgrid which does natural neighbor interpolation,
    dsgrid which does inverse distance weighted averaging,
    and linint2 which uses bilinear interpolation.

    an example of the latter and a link to other regridders is at:

    there is an example of outputting netCDF as well as other
    NCL IO topics at:

    Sylvia Murphy
    National Center for Atmospheric Research
    Climate and Global Dynamics Division

    > Hi;
    > I have a netcdf file with global grid. I need to interpolate
    > the data into a regional data grid and re-write on the regional
    > netcdf file. Can you tell me where I can find a example to do this
    > Thanks
    > Xuexi Tie
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