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#
# (C) Copyright 2005- 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.
#
import sys
import traceback
from eccodes import *
VERBOSE = 1 # verbose error reporting
def example():
"""
Encoding of the pv coefficients.
"""
# read the coefficients from file
pv = []
for line in open("../../data/60_model_levels"):
pv.extend([float(x) for x in line.strip().split("\t")])
numberOfLevels = 60
numberOfCoefficients = 2 * (numberOfLevels + 1)
assert len(pv) == numberOfCoefficients
fout = open("grib_set_pv.py.temp.grib", "wb")
gid = codes_grib_new_from_samples("reduced_gg_sfc_grib1")
codes_set(gid, "typeOfLevel", "hybrid")
codes_set(gid, "level", 2)
codes_set(gid, "PVPresent", 1)
codes_set_array(gid, "pv", pv)
codes_write(gid, fout)
codes_release(gid)
fout.close()
def main():
try:
example()
except CodesInternalError as err:
if VERBOSE:
traceback.print_exc(file=sys.stderr)
else:
sys.stderr.write(err.msg + "\n")
return 1
if __name__ == "__main__":
sys.exit(main())
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