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20010906: Plotting of SHEF data with sfmap



>From: Daryl Herzmann <address@hidden>
>Organization: UCAR/Unidata
>Keywords: 200109061408.f86E8q128120

>Hi,
>       I have been trying to plot various decoded SHEF params with sfmap.
>Unfortunately it appears that the [param]*100 does not work.  When setting
>SFPARM = HG * 100 I receive the error
>GEMPAK-SFMAP> [SFMAP -4] Parameter HG*1 is not calculable.
>
>       I see that this relates to this posting
>http://www.unidata.ucar.edu/glimpse/gempak/3609
>
>       The HG param exists in the GEMPAK surface file and I can list out
>values for it.
>
>       Am I doing something wrong?  Ideas for getting around this
>limitation, if it exists...
>
>Thanks,
>       Daryl
>
>-- 
>/**
> * Daryl Herzmann (address@hidden)
> * Program Assistant -- Iowa Environmental Mesonet
> * http://mesonet.agron.iastate.edu
> */
>


Daryl,

A quick work around is to define a parameter (such as HGXX) in
$GEMTBL/parms/pcconv.tbl like:

HGXX = PR_M100 ( HG )

Now in sflist:
 SFFILE   = 20010906_test.gem
 AREA     = @cohn6
 DATTIM   = all
 SFPARM   = hg;hgxx
 OUTPUT   = T
 IDNTYP   = STID
 GEMPAK-SFLIST>r
 PARM = HG  ;HGXX                                                               
 

    STN    YYMMDD/HHMM      HG       HGXX
  COHN6    010906/1700      6.04   604.00

Steve Chiswell
Unidata User Support