eccodes/examples/F90/grib_get_pv.f90

45 lines
1.4 KiB
Fortran
Raw Normal View History

2020-01-28 14:32:34 +00:00
! (C) Copyright 2005- ECMWF.
2013-03-25 12:04:10 +00:00
!
! 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.
2017-02-06 16:45:30 +00:00
!
2013-03-25 12:04:10 +00:00
! 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.
!
!
2021-02-23 17:14:11 +00:00
! Description: How to get PV values.
2013-03-25 12:04:10 +00:00
!
!
2020-10-20 16:46:08 +00:00
program grib_get_pv
use eccodes
implicit none
integer :: infile
integer :: igrib
integer :: PVPresent, nb_pv
real(kind=4), dimension(:), allocatable :: pv
2013-03-25 12:04:10 +00:00
2021-11-30 13:01:07 +00:00
call codes_open_file(infile, '../../data/reduced_gaussian_model_level.grib1', 'r')
2015-12-29 16:37:03 +00:00
! A new GRIB message is loaded from file
! igrib is the message id to be used in subsequent calls
call codes_grib_new_from_file(infile, igrib)
2015-12-29 16:37:03 +00:00
! Get PVPresent to see if the 'pv' array is there
call codes_get(igrib, 'PVPresent', PVPresent)
print *, "PVPresent = ", PVPresent
if (PVPresent == 1) then
call codes_get_size(igrib, 'pv', nb_pv)
print *, "There are ", nb_pv, " PV values"
allocate (pv(nb_pv))
call codes_get(igrib, 'pv', pv)
print *, "pv = ", pv
deallocate (pv)
else
print *, "There is no PV values in your GRIB message!"
end if
call codes_release(igrib)
2015-12-29 16:37:03 +00:00
call codes_close_file(infile)
2015-12-29 16:37:03 +00:00
2020-10-20 16:46:08 +00:00
end program grib_get_pv