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[GEMPAK #BPO-815416]: GEMPAK - SIGWX Clear Air Turbulence in a Box vs. on the map

> Hi Chris,
> 
> Thanks a million.
> 
> Mark


Mark,

Its Steve.....or Chiz. Not Chris ;-)

Steve Chiswell
Unidata User Support


> 
> Unidata GEMPAK Support wrote:
> 
> >>Hi Steve,
> >>
> >>Thanks for your reply.  I am almost emancipated from the ipc system
> >>except I use gptext to create a label.
> >>I am experimenting gptext using DEVICE = VG | file.vgf.  Since this also
> >>uses queueing to communicate with the device driver, presumably "vg", I
> >>would like something like gptext_vg.  I don't see it in the makefile.
> >>Before I invest alot of time in this, do you have any suggestions?
> >>
> >>Should I be using something other than gpmap and gptext?  If this is my
> >>only solution, is
> >>
> >>Thanks,
> >>
> >>Mark Hughes
> >>Global Weather Dynamics, Inc.
> >>
> >>
> >
> >Mark,
> >
> >I've attached a modified Makefile for $GEMPAK/source/programs/gp/gptext
> >The _vg looks just like the _nc options with th VG library used instead of 
> >NC.
> >
> >I run thousands of scripts without problems with the ipc layer. However, you
> >should be aware of several items when running scripts from crontab so that
> >you can avoid message queue id conflicts:
> >
> >1) create a unique working directory for each invocation of a script
> >   I make a working dirctory such as /tmp/.workdir.$$ where "$$" is the
> >   csh syntax from the process id of the script, do my processing, and then 
> > remove the
> >   directory. This way, only one script executes per directory to
> >   avoid conflicts with the gemglb.nts.
> >
> >2) Crons are not attached to a tty, so the message queue created is based on 
> >the process id of
> >   the parent script and not the tty. Uou have to ensure that gpend is run, 
> > especially if
> >   an error occurs in the script since no other process will be able to use 
> > that messagequeue and you could
> >   eventually run out of message queues.
> >
> >As you note, the _vg, _gf, _nc versions avoid the message queues, so that 
> >element
> >of administration is easier- though overlays are not as easy as you have 
> >found.
> >
> >Steve Chiswell
> >Unidata User Support
> >
> >
> >
> >>Unidata GEMPAK Support wrote:
> >>
> >>
> >>
> >>>Mark,
> >>>
> >>>Yes, there is a utility to concatinate the vgf files.
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>>vgappend
> >>>>
> >>>>
> >>>>
> >>>>
> >>>Usage: vgappend file1 file2 [...fileN]
> >>>       Where file1 is the existing output file,
> >>>       and file2...fileN are the existing input files.
> >>>
> >>>I concatinate the mesocyclone products from individual sites such as:
> >>>cd $VGDIR
> >>>set VGFILES=`/opt/bin/find [A-Z]*.vgf -cmin -60 -print`
> >>>if ( $#VGFILES > 0 ) then
> >>>  if ( -e .allmeso.vgf ) rm .allmeso.vgf
> >>>  cp $VGFILES[1] .allmeso.vgf
> >>>  shift VGFILES
> >>>  if ( $#VGFILES > 0 ) vgappend .allmeso.vgf $VGFILES
> >>>  mv -f .allmeso.vgf allmeso.vgf
> >>>endif
> >>>
> >>>
> >>>The above copies the contents of the first file in the list to a new file,
> >>>and then concatinates the rest of the data in vgappend as an example
> >>>since you may not want to clobber your original vgf file.
> >>>
> >>>Steve Chiswell
> >>>Unidata User Support
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>>Hi Chiz,
> >>>>
> >>>>Thanks for your reply: I migrated to GEMPAK5.10.3 and it provides a
> >>>>number of features I need.
> >>>>
> >>>>I have an on-going problem where the communication between gpmap and
> >>>>gplt locks-up.  It could be the IPC message system has reached a limit
> >>>>since a number of other processes use the service (same user name so I
> >>>>can't disentangle easily).
> >>>>
> >>>>So, I compiled gpmap_ps.  The problem is, I want to process 6 vgf
> >>>>files.  Is there any way?
> >>>>It doesn't look like you can enter:
> >>>>
> >>>>VGFILE = file1.vgf;file2.vgf
> >>>>
> >>>>Is there a utility to concatenate the vgf files so that I can enter
> >>>>something like:
> >>>>
> >>>>VGFILE = group_of_files.vgf
> >>>>
> >>>>Thanks,
> >>>>
> >>>>Mark Hughes
> >>>>Global Weather Dynamics, Inc.
> >>>>
> >>>>Unidata GEMPAK Support wrote:
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>>Mark,
> >>>>>
> >>>>>The SIGWX tools are done by NCEP in support of requirements of the AWC.
> >>>>>
> >>>>>You can browse through the change documents at:
> >>>>>
> >>>>>http://www.nco.ncep.noaa.gov/sib/nawips/
> >>>>>
> >>>>>The 5.9.4 release notes mention a major restructuring of placement of
> >>>>>features as defined in the $GEMTBL/pgen/settings.tbl and placement.tbl
> >>>>>
> >>>>>Since these are operational tools, I don't have much background in the 
> >>>>>formatting of
> >>>>>display elements and requirements that have lead to those changes. 
> >>>>>Perhaps AWC would have
> >>>>>someone that can inform you of that product.
> >>>>>
> >>>>>Steve Chiswell
> >>>>>Unidata User Support
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>>Institution: Global Weather Dynamics, Inc
> >>>>>>Package Version: GEMPAK5.8.3a
> >>>>>>Operating System: Linux Intel
> >>>>>>Hardware Information: HP Pavillion
> >>>>>>Inquiry: Hi,
> >>>>>>
> >>>>>>I am using the SIGWX package to display BUFR data.
> >>>>>>My customer has a preference for the older style display of CAT 
> >>>>>>information in a box rather than as a label on the map itself.
> >>>>>>
> >>>>>>I see that at one time this was the standard approach.  I would like to 
> >>>>>>investigate adapting the older routine for use in the version I am 
> >>>>>>using (5.8.3a).  I couldn\'t find release notes which would tell me 
> >>>>>>when this occurred.  Could you tell me what is the last release which 
> >>>>>>used CAT boxes?
> >>>>>>
> >>>>>>Thanks,
> >>>>>>
> >>>>>>Mark Hughes
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>Ticket Details
> >>>>>===================
> >>>>>Ticket ID: BPO-815416
> >>>>>Department: Support GEMPAK
> >>>>>Priority: Normal
> >>>>>Status: Closed
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>
> >>>>
> >>>Ticket Details
> >>>===================
> >>>Ticket ID: BPO-815416
> >>>Department: Support GEMPAK
> >>>Priority: Normal
> >>>Status: Closed
> >>>
> >>>
> >>>
> >>>
> >>>
> >>
> >>
> >
> >
> >Ticket Details
> >===================
> >Ticket ID: BPO-815416
> >Department: Support GEMPAK
> >Priority: Normal
> >Status: Closed
> >
> 
> 


Ticket Details
===================
Ticket ID: BPO-815416
Department: Support GEMPAK
Priority: Normal
Status: Closed