RE: [ncl-talk] interpolation

It works by linint2_Wrap function.
Thanks!
Chao

> Hello
>
> The documentation for all the spherical harmonic based regridding
> functions clearly states that they do not allow missing values.
>
> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl"
>
> nlat = 94
> lat = latGau(nlat, "lat", "latitude", "degrees_north")
>
> mlon = 192
> lon = lonGlobeF(mlon, "lon", "longitude", "degrees_east")
>
> newGrid = linint_Wrap(data&x, data&y, data, True, lon,lat,0)
>
> Make sure that the ordering of "lat" [S->N] and the data
> array agree.
>
>
>
> On Thu, 19 Jul 2007, cluo_at_uci.edu wrote:
>
>> Hi,
>>
>> It is same problem: "no interpolation performed on this array, since
>> 2-dimensional input array contained missing values" by using f2fsh_Wrap
>> function.
>>
>> Thanks much,
>> Chao
>>
>>
>> > Dear Chao,
>> >
>> > f2gsh_Wrap interpolates a scalar quantity from a fixed grid to a
>> Gaussian
>> > grid ( T42) i.e. 64X128.
>> >
>> > But you need the interpolation from fix grid data (1080,2160) to T62
>> > (94,192) so you can use the "f2fsh_Wrap" for your purpose
>> >
>> > Details is given in
>> >
>> > http://www.ncl.ucar.edu/Document/Functions/Contributed/f2fsh_Wrap.shtml
>> >
>> > Thanks
>> >
>> > Debasish
>> >
>> > -----Original Message-----
>> > From: ncl-talk-bounces_at_ucar.edu [mailto:ncl-talk-bounces_at_ucar.edu] On
>> > Behalf
>> > Of cluo_at_uci.edu
>> > Sent: Thursday, July 19, 2007 2:38 PM
>> > To: ncl-talk_at_ucar.edu
>> > Subject: interpolation
>> >
>> > Dear NCL users:
>> >
>> > I am trying to interpolate the fix grid data (1080,2160) to T62
>> (94,192)
>> > by f2gsh_Wrap like:
>> >
>> > newgrid =f2gsh_Wrap(data(:,:),(/94,192/),0)
>> >
>> > But no interpolation performed on this array, since 2-dimensional
>> input
>> > array contained missing values. Is there anyway to mask missing values
>> > while perform interpolation? Any help are appreciated!
>> >
>> > Chao
>> >
>> > _______________________________________________
>> > ncl-talk mailing list
>> > ncl-talk_at_ucar.edu
>> > http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>> >
>> >
>>
>>
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>>
>

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Received on Fri Jul 20 2007 - 11:44:46 MDT