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19990708: garp continued

Lynn,

You can use gddelt to remove the offending grids and this will
make garp happy. Use gdnum=list to list out the grids and
remove by numbers.

You should be able to use gdmod to copy all the eta grids to a single file.
You can use gdcfil to create the empty grid file using cpyfil=#104 (or one 
of the existing files).

Steve Chiswell
Unidata User SUpport

>From: Lynn McMurdie <address@hidden>
>Organization: .
>Keywords: 199907082107.PAA07279

>Hi Steve...
>
>Thanks for your quick response.  I have used gdinfo on the files in
>question and have indeed discovered a few grids where there were
>blanks for the vertical coordinate:
>
>266     990301/0000F012                          0              CLD         
>267     990301/0000F012                          0              PRES        
>268     990301/0000F012                          0         TROP HGHT
>
>So, probably your right about that being the problem.  I'm
>trying to uncover exactly what was used to make the gempak files (I
>didn't actually do that, another computer support person here did it),
>so when I hear back from him, I'll let you know.  However, these
>particular grids with no heights aren't crucial for what we want,
>couldn't we just eliminate them from the gridfile?  Would that make
>garp happy??
>
>Also, you were right about eta104 files.  I used gdinfo to look at
>each file and the forecast files did have a few grids at the beginning
>that had time1 and time2.  They were some sort of time-averaged info:
>
>   12     990301/0000F006   990301/0000F012        0         PRES AVE_FXSN    
>   13     990301/0000F006   990301/0000F012        0         PRES AVE_SWRU    
>   14     990301/0000F012                          0         CLDT HGHT        
>   15     990301/0000F012                          0         CLDT PRES        
>
>So....can I combine all these files into one big grid file?  Would
>that solve the problem???  Thanks for your help
>     Lynn
>-- 
>Lynn McMurdie          INTERNET: address@hidden
>(206) 685-9405         UUCP:     uw-beaver!atmos.washington.edu!mcmurdie
>Dept of Atmospheric Sciences
>University of Washington
>Box 351640
>Seattle, WA  98195
>