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2000126: Gempak

Ka Kit,

The Gemenviron has 2 examples of the GEMDATA variable. One is commented
out , eg the line has a # character. You need only modify the
uncommented line- which should be the line that looks like:
/var/data/ldm/gempak


This is the GEMDATA location. By defining that location, most other
GEMPAK data locations are relative to that directory. Eg, HDS is 
where model data is stored. This is defined as $GEMDATA/hds.
This will be the directory that dcgrib decodes the model gridpoint data
into. $SAO is defined as $GEMDATA/surface. In that directory you will
find the decoded metar files. $TEXT_DATA is defined as $GEMDATA/nwx.
Under that directory will be additional subdirectories for data products
used by nwx.

The ~ldm/data direcory is the directory defined under ~ldm/data.
The ldm5.0.5 and ldm5.0.8 directories are the build location
of the LDM- but LDMHOME is the ~ldm/ directory  which will have
bin/ etc/ and logs/ directories. The runtime link is used to point to
the actual installed version 5.0.5, 5.0.8 etc of the ldm. By using the
runtime link, new versions of the LDM can be installed  without
having to change all the old locations, only the runtime link that points
to the version directory.

Steve Chiswell


>From: "Ka Kit Lai" <address@hidden>
>Organization: .
>Keywords: 200001262041.NAA13936

>Steve:
>I only find a lot of directories under ~ldm/data/gempak. Is that the right 
>directory that I should point the GEMDATA variable to? Also, I saw 2 GEMDATA 
>variable define inside the Gemenviron file, 1 is pointing to 
>/var/data/ldm/gempak and the other one is pointing to /shemp/gempak, which 
>one should I modify?
>one more stupid question, I upgrade my LDM from 5.0.5 to 5.0.8, both of 
>these version are stored in /usr/local/ldm, so is that the ~ldm refer to 
>/usr/local/ldm or /usr/local/ldm/ldm-5.0.8? But I can only find the path 
>~ldm/data/gempak in /usr/local/ldm/data/gempak, but not in 
>/usr/local/ldm/ldm-5.0.8/data/gempak.
>Thank you.
>
>                                          Ka Kit Lai
>
>
>>From: Unidata Support <address@hidden>
>>To: "Ka Kit Lai" <address@hidden>
>>CC: address@hidden
>>Subject: 2000126: Gempak
>>Date: Wed, 26 Jan 2000 13:19:56 -0700
>>
>> >From: "Ka Kit Lai" <address@hidden>
>> >Organization: .
>> >Keywords: 200001262009.NAA12550
>>
>> >I have the data feed from albany. I load the Gempak GUI by execute the 
>>"ntl"
>> >in $Gempak_HOME/bin/sol. How can I find out the data file coming in from
>> >albany? Which directory are those data file located?
>> >
>> >                                           Ka Kit Lai
>> >______________________________________________________
>> >Get Your Private, Free Email at http://www.hotmail.com
>> >
>>
>>Ka Kit,
>>
>>If you are using the decoder entries similar to the GEMPAK www page
>>examples in your pqact.conf file, then your data will be stored under
>>the ~ldm/data/gempak directory.
>>
>>You should edit your $NAWIPS/Gemenviron file and define the GEMDATA
>>environmental variable to point to your ~ldm/data/gempak directory.
>>
>>Steve Chiswell
>>****************************************************************************
>>Unidata User Support                                    UCAR Unidata 
>>(303)497-8644                                                  P.O. Box 
>>address@hidden                                   Boulder, CO 
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