2020-01-28 14:32:34 +00:00
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! (C) Copyright 2005- ECMWF.
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2013-03-25 12:04:10 +00:00
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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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2017-02-06 16:45:30 +00:00
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!
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2013-03-25 12:04:10 +00:00
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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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!
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2021-02-23 17:14:11 +00:00
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! Description: How to get PV values.
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2013-03-25 12:04:10 +00:00
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!
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!
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2020-10-20 16:46:08 +00:00
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program grib_get_pv
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2021-02-14 18:14:39 +00:00
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use eccodes
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implicit none
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integer :: infile
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integer :: igrib
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integer :: PVPresent, nb_pv
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real, dimension(:), allocatable :: pv
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2013-03-25 12:04:10 +00:00
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2021-11-30 13:01:07 +00:00
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call codes_open_file(infile, '../../data/reduced_gaussian_model_level.grib1', 'r')
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2015-12-29 16:37:03 +00:00
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2021-02-14 18:14:39 +00:00
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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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2015-12-29 16:37:03 +00:00
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2021-02-14 18:14:39 +00:00
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! Get PVPresent to see if the 'pv' array is there
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call codes_get(igrib, 'PVPresent', PVPresent)
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print *, "PVPresent = ", PVPresent
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if (PVPresent == 1) then
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call codes_get_size(igrib, 'pv', nb_pv)
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print *, "There are ", nb_pv, " PV values"
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allocate (pv(nb_pv))
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call codes_get(igrib, 'pv', pv)
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print *, "pv = ", pv
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deallocate (pv)
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else
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print *, "There is no PV values in your GRIB message!"
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end if
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call codes_release(igrib)
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2015-12-29 16:37:03 +00:00
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2021-02-14 18:14:39 +00:00
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call codes_close_file(infile)
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2015-12-29 16:37:03 +00:00
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2020-10-20 16:46:08 +00:00
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end program grib_get_pv
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