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20000308: GEMPAK

This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.

  • Subject: 20000308: GEMPAK
  • Date: Wed, 08 Mar 2000 16:56:21 -0700
>From: John Nordlie <address@hidden>
>Organization: .
>Keywords: 200003082318.QAA19979

>Unidata Product Licensing Form: 911205
>
>Institution: University of North Dakota
>
>Department: Regional Weather Information Center        
>
>Mailing address: Odegard Hall, Room 257
>                       University of North Dakota
>                       Grand Forks, ND 58202-9007
>
>Contact name: John Nordlie
>
>Phone number(s): 701-777-6112
>
>Email address: address@hidden
>
>Contract officer: Kenneth J. Dawes
>
>
>Phone number(s): 
>
>Product & Rev #: GEMPAK 5.4 
>
>Machine and operating system: Sun Ultra 60 w/ Solaris 2.5.1 & Intel
>Pentium w/ Redhat Linux 6.1
>


John,

I have your license info from 1992 U. North Dakota Center for Atmospheric
Sciences. Your email address and contract officer is current with that.

Is RWIC still under the same department? If so, we don't need to relicense.
I have answered questions in the past from Bryan Hahn at RWIC:
http://www.unidata.ucar.edu/glimpse/gempak/3375

Let us know if we need to send you the license material.
In the mean time, here is the download information for Gempak:

The information you need to download gempak is:
host: ftp.unidata.ucar.edu
login: gbuddy
passwd: XXXXXX

Please record the above information for your records.

Here are the general source download and building instructions. If
you are running Solaris x86 or Linux, you can download binary distributions
for these platforms. In particular, GEMPAK requires Motif which is not
part of Linux (must be purchased separately), so you would likely
need to download the binary distribution unless you have purchases Motif.

The source distribution for building is found under
~gbuddy/nawips-5.4/gempak54upc_pl16.tar.gz

The current tar file is patched through patch level 16.

To build Gempak from source, download and unpack the distribution into
a clean directory (Don't unpack in a current tree that you have Gempak
installed under). Edit the csh file Gemenviron in the top directory
and define the NAWIPS environmental variable to be the directory you
unpacked into. Source the Gemenviron variables into your csh
environment to define $NAWIPS and all the tree locations relative to
NAWIPS. Then, if your system is standard configuration for Solaris,
Solaris for Intel (X86) IRIX, OSF/1, AIX, Linux, HPUX- you should be able 
to just type "make all", followed by "make install" when the compilation 
finishes. 
If you have libraries in non-standard places, then the 
$NAWIPS/config/Makeinc.xxxxx
file for your OS would have to be modified. You should not modify the 
optimization levels since some compilers don't work well with aggressive
optimization.

Documentation for GEMAPK can be found as postscript files under
the $NAWIPS/doc/User_Guide directory, as well as online at:
http://www.unidata.ucar.edu/packages/gempak/tutorial/

All users that use Gempak should source Gemenviron into their csh
environment to define the Gempak variables and add the executable
directory into their path. Once the distribution is installed,
you can edit the data directory locations defined in Gemenviron-
but thats not a priority for building.

For the binary distributions, you just need to download and unpack the tarfile.
Then edit the Gemenviron file. All the binaries and ancillary data files are 
included.

Steve Chiswell