lats4d question

[Arlindo da Silva]

On Tue, Jan 5, 2010 at 10:23 AM, Fan Fang <Fan.Fang at nasa.gov> wrote:

> Had the following error when trying to convert a grib2 file into hdf4
> format.  I am using lats4d in the grads-2.0.a7.oga.3 bundle.  The .ctl file
> has the lines around soilw40_100cm:
>
> ...
> RH0C   0,4,0   0,1,1 ** 0C isotherm Relative Humidity [%]
> SHTFLsfc   0,1,0   0,0,11,0 ** surface Sensible Heat Net Flux [W/m^2]
> SOILW0_10cm  0,106,0,0.1   2,0,192 ** 0-0.1 m below ground Volumetric Soil
> Moisture Content [Fraction]
> SOILW10_40cm  0,106,0.1,0.4   2,0,192 ** 0.1-0.4 m below ground Volumetric
> Soil Moisture Content [Fraction]
> SOILW40_100cm  0,106,0.4,1   2,0,192 ** 0.4-1 m below ground Volumetric
> Soil Moisture Content [Fraction]
> SOILW100_200cm  0,106,1,2   2,0,192 ** 1-2 m below ground Volumetric Soil
> Moisture Content [Fraction]
> SPFH2m   0,103,2   0,1,0 ** 2 m above ground Specific Humidity [kg/kg]
> ...
>
> Anyone has insight into this?  Thanks.
>
> -Fan
>
>
> > grads -blc 'run lats4d.gs -q -format hdf4 -i
> ./gblav.PGrb2F03.091222.06z.ctl -o grib2test'
>             Welcome to the OpenGrADS Bundle Distribution
>             --------------------------------------------
>
> For additional information enter "grads -h".
>
> Starting
> "/home/ffang/grads-2.0.a7.oga.3/Contents/Linux/Versions/2.0.a7.oga.3/i686/grads
>   -blc 'run lats4d.gs -q -format hdf4 -i ./gblav.PGrb2F03.091222.06z.ctl
> -o grib2test' " ...
>
>
> Grid Analysis and Display System (GrADS) Version 2.0.a7.oga.3
> Copyright (c) 1988-2008 by Brian Doty and the
> Institute for Global Environment and Society (IGES)
> GrADS comes with ABSOLUTELY NO WARRANTY
> See file COPYRIGHT for more information
>
> Config: v2.0.a7.oga.3 little-endian readline printim grib2 netcdf hdf4-sds
> hdf5 opendap-grids,stn athena geotiff
> Issue 'q config' command for more information.
> Loading User Defined Extensions table
> </home/ffang/grads-2.0.a7.oga.3/Contents/Linux/Versions/2.0.a7.oga.3/i686/gex/udxt>
> ... ok.
> GX Package Initialization: Size = 11 8.5
> Running in Batch mode
> No hardcopy metafile open
> All files closed; all defined objects released;
> All GrADS attributes have been reinitialized
> LATS error (lats_var): LATS (lats.c) -->  Variable soilw40_100cm: not in
> the variable table, file ID 1
> lats4d: fatal error defining variables
> lats4d: error creating hdf4 file grib2test.hdf
> <RC> 1 </RC>
> </IPC>
> lats4d: exiting from GrADS...
> No hardcopy metafile open
> GX package terminated
>

I think I know what the problem is. The variabble name *soilw40_100cm *is
too long. Try editing your ctl and shortening the variable name, say *
soilw40_100*.

  Arlindo



-- 
Arlindo da Silva
dasilva at alum.mit.edu
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