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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.
#
# Python implementation: bufr_read_temp
#
# Description: how to read levels from TEMP BUFR messages.
#
#
#
# Please note that TEMP reports can be encoded in various ways in BUFR.
# Therefore the code below might not work directly for other types of TEMP
# messages than the one used in the example. It is advised to use bufr_dump to
# understand the structure of the messages.
#
from __future__ import print_function
import traceback
import sys
from eccodes import *
INPUT = '../../data/bufr/PraticaTemp.bufr'
VERBOSE = 1 # verbose error reporting
def example():
# open BUFR file
f = open(INPUT, 'rb')
cnt = 0
# loop over the messages in the file
while 1:
# get handle for message
bufr = codes_bufr_new_from_file(f)
if bufr is None:
break
print("message: %s" % cnt)
# we need to instruct ecCodes to expand all the descriptors
# i.e. unpack the data section
codes_set(bufr, 'unpack', 1)
# get all the timePeriods
timePeriod = codes_get_array(bufr, "timePeriod")
pressure = codes_get_array(bufr, "pressure")
extendedVerticalSoundingSignificance = codes_get_array(bufr, "extendedVerticalSoundingSignificance")
geopotentialHeight = codes_get_array(bufr, "nonCoordinateGeopotentialHeight")
latitudeDisplacement = codes_get_array(bufr, "latitudeDisplacement")
longitudeDisplacement = codes_get_array(bufr, "longitudeDisplacement")
airTemperature = codes_get_array(bufr, "airTemperature")
dewpointTemperature = codes_get_array(bufr, "dewpointTemperature")
windDirection = codes_get_array(bufr, "windDirection")
windSpeed = codes_get_array(bufr, "windSpeed")
blockNumber = codes_get(bufr, "blockNumber")
stationNumber = codes_get(bufr, "stationNumber")
print('station %d%d' % (blockNumber, stationNumber))
print(
'timePeriod pressure geopotentialHeight latitudeDisplacement longitudeDisplacement airTemperature windDirection windSpeed significance')
for i in range(0, len(windSpeed) - 1):
print(timePeriod[i], pressure[i], geopotentialHeight[i], latitudeDisplacement[i], longitudeDisplacement[i],
airTemperature[i], windDirection[i], windSpeed[i], extendedVerticalSoundingSignificance[i])
cnt += 1
# delete handle
codes_release(bufr)
# close the file
f.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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