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RE: Grib File



well, it looks like we did double the work. i also created a afwa.tab and
added it tothe  distribution. the new distribution is in the ftp decoders
directory. let me know if you run into any problems.

robb...



On Tue, 19 Jul 2005, Nelson Brandon K A1C AFWA/SCSA wrote:

> I have updated your grib table with all of the ones you stated were missing.
> Let me know when you put this into the build so I can check it out and see
> if there are anymore unknown parametes.  Also it is not Air Force Global
> Weather Center anymore.  We are called Air Force Weather Agency!
>
> Thanks a bunch again Robb!  Really been a help and I appreciate your time!
>
> --Brandon
>
> -----Original Message-----
> From: Robb Kambic [mailto:address@hidden]
> Sent: Monday, July 18, 2005 12:10 PM
> To: Nelson Brandon K A1C AFWA/SCSA
> Cc: support-thredds; decoders
> Subject: RE: Grib File
>
>
> Brandon,
>
> after viewing the data, i discovered many missing parameters. i couldn't
> find these on the web, do you know a location for a table?  or do you know
> the name, short desc, long desc, and units for the following parameter
> numbers.
>
> 134-137, 140-143, 145-149, 151, 152 155 157, 161, 163, 165-171, 191-194,
> 197, 199, 208, 209, 220-223, 227, 228, 230-239, 241, 246, 248-254
>
> robb...
>
>
>
>
>
> On Mon, 18 Jul 2005, Robb Kambic wrote:
>
> > On Mon, 18 Jul 2005, Nelson Brandon K A1C AFWA/SCSA wrote:
> >
> > > It works!  Thanks so much for your time Robb!  I am going to poke around
> in
> > > the Java files but could you get me a pointer (excuse the programming
> pun)
> > > in the right direction as how to pull out specific parameters from a
> grib
> > > file?  Thanks again!
> >
> >
> > Brandon,
> >
> > you need to look at the index file, file ending with gbx. there a
> > explanation of the fields, etc in the IndexFormat.txt file in the root dir
> > of the distribution.   the important fields are: BmsOrGdsOffset
> > DecScale BmsExists.  the last 4 fields on the product line ignoring the -1
> > field.  for instance product line:
> >
> > 1 0 -1 11 107 0 255 0 2005-07-07T00:00:00Z 0 3495848078 46890 70206 1
> > false
> >
> > then the Grib1GetData will grab the data:
> > java -Xmx256m ucar/grib/grib1/Grib1GetData data/us057g1010t04a000000000
> > 46890 1 false
> >
> > will return the temperature data in K.   the product name is from the 11
> > the 4th field from the table gwc_2.tab.
> >
> > that's the hard way to extract the data.
> >
> > we have a webstart program called netcdf tools at:
> >
> http://my.unidata.ucar.edu/content/software/netcdf-java/v2.2/webstart/index.
> html
> >
> > a quick way to view the data would be to click the viewer tab and then
> > open the folder tab ( on the right side ) to select the data set to open.
> > this tools works with netcdf, grib, and other types of data. there's even
> > grid viewer if you select the grids tab, then open the dataset. there's a
> > red icon on the right to select. the tools program is a test program we
> > use, it's not really a product.
> >
> > robb...
> >
> > >
> > > -----Original Message-----
> > > From: Robb Kambic [mailto:address@hidden]
> > > Sent: Friday, July 15, 2005 4:45 PM
> > > To: Nelson Brandon K A1C AFWA/SCSA
> > > Cc: decoders; support-thredds
> > > Subject: RE: Grib File
> > >
> > > Brandon,
> > >
> > > are you sure you got the latest GribJava.tar.gz? the latest is:
> > > 711461 Jul 11 14:12 GribJava.tar.gz
> > >
> > > i ran the following w/o any exceptions thrown.
> > >
> > > % java -Xmx256m ucar/grib/GribChecker data/us057g1010t04a000000000
> > > % java -Xmx256m ucar/grib/grib1/Grib1Dump data/us057g1010t04a000000000 |
> > > more
> > > % java -Xmx256m ucar/grib/grib1/Grib1Indexer
> data/us057g1010t04a000000000
> > > | more
> > >
> > > remember the CLASSPATH must be set to find the grib.jar, jpeg2000.jar,
> and
> > > junit.jar.  if you still get exception let me know.
> > >
> > > robb...
> > >
> > >
> ============================================================================
> > > ===
> > > Robb Kambic                                  Unidata Program Center
> > > Software Engineer III                        Univ. Corp for
> Atmospheric
> > > Research
> > > address@hidden               WWW: http://www.unidata.ucar.edu/
> > >
> ============================================================================
> > > ===
> > >
> >
> >
> ============================================================================
> ===
> > Robb Kambic                            Unidata Program Center
> > Software Engineer III                          Univ. Corp for Atmospheric
> Research
> > address@hidden                 WWW: http://www.unidata.ucar.edu/
> >
> ============================================================================
> ===
> >
>
> ============================================================================
> ===
> Robb Kambic                              Unidata Program Center
> Software Engineer III                    Univ. Corp for Atmospheric
> Research
> address@hidden                   WWW: http://www.unidata.ucar.edu/
> ============================================================================
> ===
>
>

===============================================================================
Robb Kambic                                Unidata Program Center
Software Engineer III                      Univ. Corp for Atmospheric Research
address@hidden             WWW: http://www.unidata.ucar.edu/
===============================================================================