mirror of https://github.com/ecmwf/eccodes.git
60 lines
1.4 KiB
Python
60 lines
1.4 KiB
Python
#
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# (C) Copyright 2005- ECMWF.
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#
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# This software is licensed under the terms of the Apache Licence Version 2.0
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# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
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#
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# In applying this licence, ECMWF does not waive the privileges and immunities
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# granted to it by virtue of its status as an intergovernmental organisation
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# nor does it submit to any jurisdiction.
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#
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from __future__ import print_function
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import sys
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import traceback
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from eccodes import *
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INPUT = "../../data/regular_latlon_surface.grib1"
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VERBOSE = 1 # verbose error reporting
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def example():
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f = open(INPUT, "rb")
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gid = codes_grib_new_from_file(f)
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values = codes_get_values(gid)
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num_vals = len(values)
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for i in range(num_vals):
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print("%d %.10e" % (i + 1, values[i]))
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print("%d values found in %s" % (num_vals, INPUT))
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for key in ("max", "min", "average"):
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print("%s=%.10e" % (key, codes_get(gid, key)))
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# Example of accessing specific elements from data values
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# Get first, middle and last elements
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indexes = [0, int(num_vals / 2), num_vals - 1]
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elems = codes_get_double_elements(gid, "values", indexes)
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codes_release(gid)
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f.close()
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def main():
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try:
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example()
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except CodesInternalError as err:
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if VERBOSE:
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traceback.print_exc(file=sys.stderr)
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else:
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sys.stderr.write(err.msg + "\n")
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return 1
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if __name__ == "__main__":
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sys.exit(main())
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