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[GEMPAK #NKQ-598465]: GEMPAK - VGF file doesn't plot with gpmap



Mark,

It will work. You have a typo below. It should be VGFILE, where you have
VFILE.

Steve Chiswell
Unidata User Support


> Hi Steve,
> 
> Thanks alot.  I have been wrestling with this for quite a while.  I see
> that if I work in the directory with the .vgf file and omit the path
> everything is fine.
> 
> Here is my next challenge: I want to display a number of bufr features
> on a single map.  I could approach it in two ways:
> 
> 1. merge the seperate .vgf files into one file and run my script
> 
> or
> 
> 2. use gpmap to add each feature.  I tried this in my script by adding
> the lines:
> 
> (the original script)
> ..
> run
> 
> the new commands:
> 
> CLEAR = NO
> MAP     =
> VFILE   = nextFeature.vgf
> RUN
> 
> However this didn't produce additional features.
> 
> Do you have a suggestion?
> 
> Thanks,
> 
> Mark
> 
> 
> 
> 
> 
> Unidata GEMPAK Support wrote:
> 
> >Mark,
> >
> >I'm assuming you are producing the ASCII files using sigbufr, and then create
> >the vgf file you are trying to plot in GPMAP using sigavgf.
> >
> >Looking back at the past support messages, the problem was that Don could run
> >the gpmap program interactively, but not from the script. He had said he 
> >could paste
> >in the vgfil setting from the mouse contents and it would work.
> >
> >In your gemglb.nts file, I see that the VGFILE you are trying to plot is:
> >/home/mhughes/gempak/GEMPAK5.8.3a/gempak/data/sigwx/bufrfiles/cat_2005102000_24_final.vgf
> >
> >That name is expanded from the $SIGWX csh environmental variable BEFORE 
> >gpmap is run.
> >
> >While gpmap will allow the parameter string to be 128 characters long, the 
> >vgfile portion of the
> >VGFILE = vgfile | scale file | attribute file | filter
> >is compiled in gpmap to be 72 characters. Your vgfile input is 89 characters 
> >long, so
> >that is a problem. You can avoid this by creating a symbolic link in your
> >working directory from that file location to the local directory and then by 
> >referencing the
> >local directory file name in VGFILE.
> >
> >On the other hand, you could use in your script:
> >VGFILE = \$SIGWX/etc....
> >
> >By escaping the "$" character, it will be passed to gpmap as is, and gpmap 
> >will
> >expand the environmental variable through its file opening routine.
> >
> >Try either of those solutions.
> >
> >Steve Chiswell
> >Unidata User Support
> >
> >
> >
> >
> >
> >
> >
> >>Institution: GWDI
> >>Package Version: GEMPAK Version 5.8.3a
> >>Operating System: Linux
> >>Hardware Information: HP Pavillion
> >>Inquiry: Hi,
> >>
> >>I am continuing the work of an employee who corresponded with you in the 
> >>past (Don Clary).
> >>
> >>He is no longer with us, but I have read the emails you sent and I am at 
> >>the point he was when he left.
> >>
> >>The problem is I use gpmap to produce a graphic, but the .vgf layer doesn't 
> >>appear.
> >>
> >>Don had this same problem and you made some suggestions.
> >>
> >>I attach my script (euro_chart.gif) along with my current gemglb.nts file.
> >>
> >>Maybe you can see what's wrong, or maybe you can point me to an example.  
> >>My goal is to produce SIGWX charts from bufr messages.
> >>
> >>Thanks,
> >>
> >>Mark Hughes
> >>
> >>
> >>
> >>
> >>
> >
> >
> >Ticket Details
> >===================
> >Ticket ID: NKQ-598465
> >Department: Support GEMPAK
> >Priority: Normal
> >Status: Closed
> >
> >
> >
> 
> 


Ticket Details
===================
Ticket ID: NKQ-598465
Department: Support GEMPAK
Priority: Normal
Status: Closed


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