Re: 20040907: 20040907: 20040831: 20040831: 20040831: 20040830: gpnexr2 problem

Thanks again very much Steve, it works great now.

Mike

Michael J. Brennan
Graduate Research Assistant
Department of Marine, Earth and Atmospheric Sciences
North Carolina State University
Email: address@hidden
Phone: (919) 515-1447

Unidata Support wrote:
> Mike,
>
> I have reported the preview linux 5.7.3 distribution so that you
> can get nexr2rhi that works for the old format data.
>
> Steve Chiswell
>
>
>
> > From: Unidata Support <address@hidden>
> > Organization: UCAR/Unidata
>
>
> > Mike,
> >
> > Yes, that would be the same problem, only localized to that program rather tha
> > n
> > the general library. I'm rebuilding the linux 5.7.3 preview tarfile
> > at this time and will let you know when its posted.
> >
> > Steve Chiswell
> >
> >
> > > From: Michael Brennan <address@hidden>
> > > Organization: UCAR/Unidata
> > > Keywords: 200409071948.i87JmKvq012303
> >
> > > Hi Steve,
> > >
> > > The new gpnexr2 works great.  Now I'm having issues with nexr2rhi for 
> > > the older files.  Would the same issue pose a problem there?
> > >
> > > Thanks,
> > > Mike
> > >
> > > Michael J. Brennan
> > > Graduate Research Assistant
> > > Department of Marine, Earth and Atmospheric Sciences
> > > North Carolina State University
> > > Email: address@hidden
> > > Phone: (919) 515-1447
> > >
> > > Unidata Support wrote:
> > >
> > > > Mike,
> > > >
> > > > I have posted a pre-release of 5.7.3 binary for Linux:
> > > > http://my.unidata.ucar.edu/downloads/214/gempak_upc5.7.3_linux.tar.gz
> > > >
> > > > This includes the fix for the older NCDC Level II products.
> > > >
> > > > Steve Chiswell
> > > > Unidata User SUpport
> > > >
> > > >
> > > >
> > > >
> > > > > From: Michael Brennan <address@hidden>
> > > > > Organization: UCAR/Unidata
> > > > > Keywords: 200408312138.i7VLc78E013128
> > > >
> > > >
> > > > > Hi Steve,
> > > > >
> > > > > Thanks for checking that out.  I'm using pre-compiled binaries for Linux 
> > > > > now.  So a temporary upgrade would be great.
> > > > >
> > > > > Thanks!
> > > > > Mike
> > > > >
> > > > >
> > > > >
> > > > > > Mike,
> > > > > >
> > > > > > I found a fairly simple difference between your old
> > > > > > file and what was more recent.
> > > > > >
> > > > > > The bytes 21-24 of the old file are 4 space characters, whereas the
> > > > > > newer files that I have are 4 null characters. The build 5.0 files
> > > > > > will have the 4 character station ID in those bytes.
> > > > > >
> > > > > > My program checks for the null characters and the station ID, but not the
> > > > > > station ID being 4 spaces instead, so it is looking for a station "    "
> > > > > > in the $GEMTBL/stns/wsr88d_locations.dat file.
> > > > > >
> > > > > > The fix is simple, in 2 places:
> > > > > > $GEMPAK/source/gemlib/im/imrnex2.c
> > > > > > $GEMPAK/source/driver/active/gn/crnex2.c
> > > > > >
> > > > > > Changing:
> > > > > > if ( ( nbin < 4 ) || ( callid[0] == 0 ) )
> > > > > > to
> > > > > > if ( ( nbin < 4 ) || ( callid[0] == 0) || ( callid[0] == ' ' ) )
> > > > > >
> > > > > > If you compiled locally, you can make those modifications and:
> > > > > > cd $GEMPAK/source/gemlib/im
> > > > > > make all
> > > > > > cd $GEMPAK/source/driver/active
> > > > > > make all
> > > > > > make install
> > > > > > cd $NAWIPS/unidata/programs/gpnexr2
> > > > > > make all
> > > > > > make install
> > > > > >
> > > > > > If you have a binary release, I can put together a temporary
> > > > > > upgrade for you until 5.7.3.
> > > > > >
> > > > > > Steve CHiswell
> > > > > > Unidata User Support
> > > > >
> > > > >
> > > > > --
> > > > > Michael J. Brennan
> > > > > Graduate Research Assistant
> > > > > Department of Marine, Earth and Atmospheric Sciences
> > > > > North Carolina State University
> > > > > Email: address@hidden
> > > > > Phone: (919) 515-1447
> > > >
> > > > --
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