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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 *
INPUT = "../../data/tigge_pf_ecmwf.grib2"
VERBOSE = 1 # verbose error reporting
def example():
f = open(INPUT, "rb")
mcount = codes_count_in_file(f)
gid_list = [codes_grib_new_from_file(f) for i in range(mcount)]
f.close()
keys = [
"Ni",
"Nj",
"latitudeOfFirstGridPointInDegrees",
"longitudeOfFirstGridPointInDegrees",
"latitudeOfLastGridPointInDegrees",
"longitudeOfLastGridPointInDegrees",
"jDirectionIncrementInDegrees",
"iDirectionIncrementInDegrees",
]
for i in range(mcount):
gid = gid_list[i]
print("processing message number", i + 1)
for key in keys:
print("%s=%g" % (key, codes_get(gid, key)))
print(
"There are %d, average is %g, min is %g, max is %g"
% (
codes_get_size(gid, "values"),
codes_get(gid, "average"),
codes_get(gid, "min"),
codes_get(gid, "max"),
)
)
print("-" * 100)
codes_release(gid)
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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