[GEMPAK #WPX-538404]: getting started

> Thanks Steve for the information -- so far with GDCNTR, I am getting a blank 
> terminal coming up, no contours.  gdinfo is showing:
> 
> [skirby@mn1 wrf2gem_src]$ gdinfo
> GDFILE    Grid file                         /home/skirby/wrf2gem_src/wrf.gem
> LSTALL    Full list flag                    yes
> OUTPUT    Output device/filename            t
> GDATTIM   Grid date/time                    all
> GLEVEL    Grid level                        all
> GVCORD    Grid vertical coordinate          all
> GFUNC     Scalar grid                       all
> Parameters requested: GDFILE,LSTALL,OUTPUT,GDATTIM,GLEVEL,GVCORD,GFUNC.
> GEMPAK-GDINFO>gdfile=/home/skirby/wrf2gem_src/wrf.gem
> GEMPAK-GDINFO>restore defaults/gdinfo
> GEMPAK-GDINFO>r
> 
> GRID FILE: /home/skirby/wrf2gem_src/wrf.gem
> 
> 
> GRID NAVIGATION:
> PROJECTION:          LCC
> ANGLES:                32.3  -106.9    32.3
> GRID SIZE:          143 143
> LL CORNER:              28.38   -111.27
> UR CORNER:              36.03   -102.19
> 
> GRID ANALYSIS BLOCK:
> UNKNOWN ANALYSIS TYPE
> 
> Number of grids in file:  3381
> 
> Maximum number of grids in file:   4000
> 
> NUM       TIME1              TIME2           LEVL1 LEVL2  VCORD PARM
> 1                                              2         HAGL TMPK
> 2                                              2         HAGL MIXR
> 3                                           9965         SGMA PBAR
> 4                                           9965         SGMA PP
> 5                                           9865         SGMA PBAR
> 6                                           9865         SGMA PP
> 
> ...
> 333                                           1000         PRES UREL
> 334                                           1000         PRES VREL
> 335                                           1000         PRES W
> 336                                           1000         PRES HGHT
> 337                                           1000         PRES SPFH
> 338                                            950         PRES TMPK
> 339                                            950         PRES UREL
> 340                                            950         PRES VREL
> 341                                            950         PRES W
> 342                                            950         PRES HGHT
> 343                                            950         PRES SPFH
> 
> so there are height above ground level params, sigma level params, and 
> pressure level params.  I don't see anything about time information.  Is 
> there none or do I need a different program to get it?  When I use 
> gdattim=fall it says that time is invalid.  My script is:
> ===========================================================
> gdcntr << eof
> 
> gdattim=fall
> glevel=500
> gvcord=pres
> gfunc=tmpc
> gdfile=/home/skirby/wrf2gem_src/wrf.gem
> cint=1
> line=
> map=
> title=
> device=xw
> satfil=
> radfil=
> proj=lcc
> garea=28.4;-111.2;36.0;-102.7
> clear=
> panel=0
> text=
> scale=
> latlon=0
> clrbar=
> contur=3/0
> skip=0
> fint=0
> fline=
> ctype=c
> 
> run
> 
> 
> eof
> =============================================================
> 
> Let me know if you spot anything wrong.  I've tried defaulting gdattim, by 
> leaving it equal to blank, but no success there either.
> 
> Best regards,
> Steve
> 
> 
> 
> Unidata GEMPAK Support <address@hidden> wrote:
> > Steve,
> >
> > Thanks that fixed that problem.
> >
> > If I may ask one more simple one: I am trying gdcntr on some wrf data 
> > converted to gempak format. I have tried gdattime=all, gdattime=f00, 
> > gdattime=f24 and it doesn't like any of them, always saying TIME is 
> > invalid. I don't get it, since the gempak file is derived from a WRF 24h 
> > forecast. What is the best way, in gempak, to look at my gempak file to see 
> > what times are actually in it? I tried gdinfo but it only gave grid 
> > dimensions? TIA.
> >
> > Regards,
> > Steve
> >
> 
> Steve,
> 
> The parameter for GDCNTR is GDATTIM (no "E" at the end). If you are typing 
> gdattime, then the program
> won't recognize that parameter. Generally, gdattim=fall would be a loop of 
> available times. if
> you are unsure about what your data file contains, run GDINFO then
> at the prompt, type "restore defaults/gdinfo" and then "run" to see a
> listing of all grids in your file.
> 
> Steve Chiswell
> Unidata User Support
> 
> Ticket Details
> ===================
> Ticket ID: WPX-538404
> Department: Support GEMPAK
> Priority: Normal
> Status: Closed
> 
> 
> 
> 
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Ticket Details
===================
Ticket ID: WPX-538404
Department: Support GEMPAK
Priority: Normal
Status: Open