Re: 20041220: netCDF Decoders - Decoding/Tiling ETA218 (12km) with gribtonc

On Mon, 20 Dec 2004, Unidata Support wrote:

>
> ------- Forwarded Message
>
> >To: address@hidden
> >From: "Vandenberghe" <address@hidden>
> >Subject: netCDF Decoders - Decoding/Tiling ETA218 (12km) with gribtonc
> >Organization: ?
> >Keywords: 200412201842.iBKIgRcV018844 netCDF decoders gribtonc
>
> --=_76dbc2476f6428fae144519a869f88c1
> Content-Type: text/plain; charset="ISO-8859-1"
> Content-Transfer-Encoding: 7bit
>
> Institution:  NCAR
> Package Version: gribtonc
> Operating System: LINUX
> Hardware Information: Intel Pentium
> Inquiry: Hi,
>
> I am trying to use gribtonc to convert and tile the ETA 218 tiled
> products available from:
>
> ftpprd.ncep.noaa.gov:/pub/data/nccf/com/eta/prod/

Francois,

i went to the site, there were no files available.
>
> I have attached my CDL file. The program works fine with one tile, but
> when I try to use it with several tiles, then I got the following error
> message:
>
> Dec 20 18:29:49 gribtonc.exe[29974]: 1, eta.t00z.awip21806.nc nav.
> mismatch La1: 33.011 != 19.9433
>
I didn't receive the cdl but here' a few comments. the La1 and Lo1 should
be the south west corner of the full ETA218 domain, sound like you coded
ti correctly. the grib_number should be all the grid tiles, for ecmwf it
is: grid_number = 1,2,3,4,5,6,7,8,9,10,11,12 ;

> Here 33.011 is the latitude of the south west corner of the tile, while
> 19.9433 is the south west corner of the full ETA218 domain. One tile
> having the dimensions 69x72 while the full domain have the dimensions
> 491x303.
>
> I was able to tile other products such as ECMWF tiled data which were
> not on a projection map. So I was wondering if the projection is the
> problem.

all files should have the same projection

robb...


>
> Thanks in advance for any help,
>
> Francois
>
>
> --=_76dbc2476f6428fae144519a869f88c1
> Content-Type: application/octet-stream
> Content-Transfer-Encoding: base64
> Content-Disposition: attachment; filename="eta218_tiled.cdl"
>
>
> --=_76dbc2476f6428fae144519a869f88c1--
>
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===============================================================================
Robb Kambic                                Unidata Program Center
Software Engineer III                      Univ. Corp for Atmospheric Research
address@hidden             WWW: http://www.unidata.ucar.edu/
===============================================================================