gancsetup error:

[Matias Mendez]

Jennifer,

You're right, now it's working fine!. Thank you very much.

Matias



El mar, 26-05-2009 a las 12:00 -0400, Jennifer Adams escribió:
>
> On May 26, 2009, at 6:50 AM, Matias Mendez wrote:
>
> > Hello GrADS users,
> >
> > I got 3-h NARR data (u-wind and v-wind at 10m, air temperature at
> > 2m,
> > mean sea level pressure) for the period 1979-2003, from this link:
> >
> > ftp://ftp.cdc.noaa.gov/Datasets/NARR/monolevel/
> >
> > I constructed ddf files to open data. It worked well, I could open,
> > display and analize winds and temperature data. But when I tried to
> > display mean SLP data I got this error message:
> >
> > ga-> d slp
> > Notice:  Automatic Grid Interpolation Taking Place
> > gancsetup error: Variable slp not in netcdf file
>
>
> The variable in the file is called "prmsl"  --  if you want to rename
> it to 'slp' you must create an alias in your descriptor file:
> prmsl=>slp  0  t,y,x  3-hourly Pressure at Mean Sea Level
>
> Same problem with glat and glon:
> lat=>glat 0 y,x latitude coordinate
> lon=>glon 0 y,x longitude coordinate
>
>
> --Jennifer
>
>
> >
> > Data Request Error:  Error for variable 'slp'
> >  Error ocurred at column 1
> > DISPLAY error:  Invalid expression
> >  Expression = slp
> >
> > What does this mean?, how can I fix it?.
> >
> >
> > This is its DDF:
> >
> > dset /home2/PROCLIMA/NARR/d-MSLP/prmsl.2003.nc
> > dtype netcdf
> > UNDEF -9999.0 missing_value
> > UNPACK scale_factor add_offset
> > PDEF 349 277 lcc 1 -145.5 1 1 50 50 -107 32463.41 32463.41
> > XDEF 1025 linear 150 0.2
> > YDEF  425 linear   2 0.2
> > ZDEF 1 levels 0
> > tdef 2920 linear 00z01jan2003 3hr
> > vars 3
> > slp  0 t,y,x MSLP 3hr
> > glat 0 t,y,x Latitude
> > glon 0 t,y,x Longitude
> > endvars
> >
> >
> > I'm using GrADS v1.9b4. I'll thank you so much your help.
> >
> > Regards,
> > Matias
> >
>
> --
> Jennifer M. Adams
> IGES/COLA
> 4041 Powder Mill Road, Suite 302
> Calverton, MD 20705
> jma at cola.iges.org
>
>
>
>
>