Grib2 to Grib1
Added by Guilherme Martins over 8 years ago
Hi all,
I'm trying to converte the file below of grib2 to grib1.
cdo -f grb copy fnl_20140731_12_00.grib2 tmp.grb
When I type the command above, I receive the follow:
Warning (cgribexDefParam) : Can't convert GRIB2 parameter ID (0.3.0) to GRIB1, set to 0.3!
And when try use the CDO, I got the message, like this:
cdo pardes tmp.grb or cdo infon tmp.grb
Appear:
Warning (cgribexScanTimestep2) : Record 262 (id=1.1 lev1=0 lev2=0) timestep 2: Parameter not defined at timestep 1!
cdo pardes: Open failed on >tmp.grb<
Unsupported file structure
The is file in attachment (fnl_20140731_12_00.grib2).
My CDO instalation:
Climate Data Operators version 1.7.0 (http://mpimet.mpg.de/cdo)
Compiled: by root on curupira (x86_64-unknown-linux-gnu) Nov 30 2015 10:04:19
Compiler: gcc -std=gnu99 -g -O2 -fopenmp
version: gcc (Ubuntu 4.8.4-2ubuntu1~14.04) 4.8.4
Features: DATA PTHREADS OpenMP HDF5 NC4/HDF5 Z SSE2
Libraries: HDF5/1.8.13
Filetypes: srv ext ieg grb grb2 nc nc2 nc4 nc4c
CDI library version : 1.7.0 of Nov 30 2015 10:03:25
CGRIBEX library version : 1.7.3 of Sep 14 2015 10:58:44
GRIB_API library version : 1.13.0
netCDF library version : 4.3.3.1 of Nov 30 2015 09:58:54 $
HDF5 library version : 1.8.13
SERVICE library version : 1.4.0 of Nov 30 2015 10:03:08
EXTRA library version : 1.4.0 of Nov 30 2015 10:03:03
IEG library version : 1.4.0 of Nov 30 2015 10:03:06
FILE library version : 1.8.2 of Nov 30 2015 10:03:03
Can anyone help me? Any help is very apreciated.
Thanks,
Guilherme.
Replies (2)
RE: Grib2 to Grib1 - Added by Ralf Mueller over 8 years ago
converting grib2 to grib1 not possible in general. grib2 uses parameter triplets, whereas grib1 used code numbers. You should check the tools provided by the grib_api library to do this.
hth
ralf
RE: Grib2 to Grib1 - Added by Guilherme Martins over 8 years ago
Thanks Ralf.
I'll try cnvgrib.
Guilherme.