mirror of https://github.com/ecmwf/eccodes.git
59 lines
1.6 KiB
Fortran
59 lines
1.6 KiB
Fortran
! (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 granted to it by
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! virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
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!
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! Description: how to set key values.
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!
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!
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program set
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use eccodes
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implicit none
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integer(kind=4) :: centre
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integer(kind=4) :: int_value
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character(len=10) :: string_value
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character(len=20) :: string_centre
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integer :: infile, outfile
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integer :: igrib
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infile = 5
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outfile = 6
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call codes_open_file(infile, &
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'../../data/regular_latlon_surface_constant.grib1', 'r')
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call codes_open_file(outfile, &
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'../../data/out.grib1', 'w')
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! A new grib message is loaded from file
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! igrib is the grib id to be used in subsequent calls
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call codes_grib_new_from_file(infile, igrib)
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! set centre as a long
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centre = 80
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call codes_set(igrib, 'centre', centre)
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! get centre as a integer*4
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call codes_get(igrib, 'centre', int_value)
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write (*, *) 'centre=', int_value
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! get centre as a string
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call codes_get(igrib, 'centre', string_value)
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string_centre = 'centre='//string_value
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write (*, *) string_centre
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! write modified message to a file
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call codes_write(igrib, outfile)
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call codes_release(igrib)
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call codes_close_file(infile)
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call codes_close_file(outfile)
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end program set
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