1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
! (C) Copyright 2005- ECMWF.
!
! 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.
!
! 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.
!
! Description: how to set key values.
!
!
program set
use eccodes
implicit none
integer(kind = 4) :: centre
integer(kind = 4) :: int_value
character(len = 10) :: string_value
character(len = 20) :: string_centre
integer :: infile,outfile
integer :: igrib
infile=5
outfile=6
call codes_open_file(infile, &
'../../data/regular_latlon_surface_constant.grib1','r')
call codes_open_file(outfile, &
'../../data/out.grib1','w')
! A new grib message is loaded from file
! igrib is the grib id to be used in subsequent calls
call codes_grib_new_from_file(infile,igrib)
! set centre as a long */
centre=80
call codes_set(igrib,'centre',centre)
! get centre as a integer*4
call codes_get(igrib,'centre',int_value)
write(*,*) 'centre=',int_value
! get centre as a string
call codes_get(igrib,'centre',string_value)
string_centre='centre='//string_value
write(*,*) string_centre
! write modified message to a file
call codes_write(igrib,outfile)
call codes_release(igrib)
call codes_close_file(infile)
call codes_close_file(outfile)
end program set
|
