thinned gaussian grib1

[Wesley Ebisuzaki]

Jennifer,

     grib1 works with grads2.  However, I couldn't get the grib2 file to
work.

           Wesley



Jennifer Adams wrote:
>
> On Feb 13, 2008, at 5:06 PM, Wesley Ebisuzaki wrote:
>> ...  Not everything works
>> with 2.0.a1.  For example I couldn't get ecwmf thinned gaussian grids to
>> work.
>
> Hi, Wesley --
> I made sure that I could read that gaussian_reduced.grib1 sample file
> you gave me. I used grib2ctl  v0.9.12.5p39a to write a descriptor file
> and a pdef file, then I used GrADS v2 gribmap:
>
> # .gribmap -e -v -i gaussian_reduced.grib1.ctl
> grib1map:  opening GRIB file: /Users/jma/Desktop/gaussian_reduced.grib1
> !!!!! MATCH:     1    1688688   0  255     1    0  129 100
>  500       1703   0 btim: 2006081712:00 tau:     12 dtim: 2006081800:00
> grib1map:  reached end of files
> grib1map:  writing the map...
>
>
> And then I opened and displayed it with GrADS:
>
>
> Config: v2.0.a1 little-endian readline printim grib2 netcdf hdf4-sds
> Issue 'q config' command for more information.
> GX Package Initialization: Size = 11 8.5
> Scanning description file:  /home/Desktop/gaussian_reduced.grib1.ctl
> Data file /home/Desktop/gaussian_reduced.grib1 is open as file 1
> LON set to 0 360
> LAT set to -89.828 89.828
> LEV set to 1 1
> Time values set: 2006:8:18:0 2006:8:18:0
> E set to 1 1
> Notice: Implied interpolation for file
> /home/Desktop/gaussian_reduced.grib1.ctl
>  Interpolation will be performed on any data displayed from this file
> ga-> q file
> File 1 : gaussian_reduced.grib1
>   Descriptor: /home/Desktop/gaussian_reduced.grib1.ctl
>   Binary: /home/Desktop/gaussian_reduced.grib1
>   Type = Gridded
>   Xsize = 1600  Ysize = 800  Zsize = 1  Tsize = 1  Esize = 1
>   Number of Variables = 1
>     z500mb 0 129 ** 500 mb Geopotential [m**2 s**-2]
> ga-> d z500mb
> Notice:  Automatic Grid Interpolation Taking Place
> Contouring: 47000 to 58000 interval 1000
> ga->
>
>
> What part didn't work on your end?
> --Jennifer

-------------- next part --------------
A non-text attachment was scrubbed...
Name: gaussian_reduced.grib2
Type: application/octet-stream
Size: 1688764 bytes
Desc: not available
Url : http://gradsusr.org/pipermail/gradsusr/attachments/20080214/42534fea/attachment.obj