...
Now let us get some help from ecCodes python interface and command line BUFR tools to investigate the chosen template in more details. Firstly, we can create a BUFR file without encoding data with the template of our choice.
| Code Block | ||||
|---|---|---|---|---|
| ||||
#!/usr/bin/env python
# (C) Copyright 1996- ECMWF.
#
# This software is licensed under the terms of the Apache Licence Version 2.0
# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
#
# In applying this licence, ECMWF does not waive the privileges and immunities
# granted to it by virtue of its status as an intergovernmental organisation
# nor does it submit to any jurisdiction.
from eccodes import *
ibufr = codes_bufr_new_from_samples('BUFR4') # Creates a new valid message id from a BUFR sample
codes_set(ibufr, 'edition', 4) # BUFR edition number
codes_set(ibufr, 'masterTableNumber', 0) # BUFR master table. Zero: standard WMO FM 94 BUFR tables
codes_set(ibufr, 'masterTablesVersionNumber', 31) # Version number of master table used
ivalues = (307092) # Template to be used
codes_set(ibufr, 'unexpandedDescriptors', ivalues) # Key name to encode the sequence number is unexpandedDescriptors
fout = open('TM307092.bufr', 'w') # Open output file
codes_write(ibufr, fout) # Write the message to output file
codes_release(ibufr) # Release the BUFR message from memory
fout.close() # Close the file |
...