eccodes/examples/F77/set_missing_fortran.F

63 lines
1.6 KiB
Fortran

C Copyright 2005-2014 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_missing_fortran
C
C Description: how to set a key as missing.
C
C
C
C
C
program set
implicit none
include 'grib_api_f77.h'
integer err
character*6 string_value
integer infile,outfile
integer igrib,iret
character*256 error
integer len
infile=5
outfile=6
string_value='sfc'
len=3
call grib_check(grib_open_file(infile
X,'../../data/reduced_gaussian_pressure_level.grib2','r'))
call grib_check(grib_open_file(outfile
X,'out_surface_level.grib2','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_string(igrib,
X'typeOfFirstFixedSurface', string_value))
call grib_check(grib_set_missing(igrib,
X'scaleFactorOfFirstFixedSurface'))
call grib_check(grib_set_missing(igrib,
X'scaledValueOfFirstFixedSurface'))
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