eccodes/examples/set_pv_fortran.F

56 lines
1.4 KiB
Fortran

C Copyright 2005-2016 ECMWF.
C
C This software is licensed under the terms of the Apache Licence Version 2.0
C which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
C
C In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
C virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
C
C
C
C Fortran 77 Implementation: set_fortran
C
C Description: how to set pv values.
C
C
C
C
C
program set
implicit none
include 'grib_api_fortran.h'
integer err
integer infile,outfile
integer igrib,iret
character*256 error
real*8 pv
integer pvsize
dimension pv(4)
pvsize=4
infile=5
outfile=6
call grib_check(grib_open_file(infile
X,'../data/regular_latlon_surface.grib1','r'))
call grib_check(grib_open_file(outfile,'out.grib1','w'))
C a new grib message is loaded from file
C igrib is the grib id to be used in subsequent calls
call grib_check(grib_new_from_file(infile,igrib))
call grib_check(grib_set_int(igrib,'PVPresent',1))
call grib_check(grib_set_real8_array(igrib,'pv',pv,pvsize))
C write modified message to a file
call grib_check(grib_write(igrib,outfile))
call grib_check(grib_release(igrib))
call grib_check(grib_close_file(infile))
call grib_check(grib_close_file(outfile))
end