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
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
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: multi_fortran
C
C Description: How to decode grib messages containing multiple
C fields. Try to turn on and off multi support to
C see the difference. Default is OFF.
C For all the tools defalut is multi support ON.
C
C
C
C
C
program multi
implicit none
include 'grib_api_fortran.h'
integer iret
character*256 error
integer*4 parameterCategory,parameterNumber,discipline
integer ifile,igrib
call grib_check( grib_open_file(ifile
X,'../data/multi.grib2','r'))
C turn on support for multi fields messages */
call grib_check(grib_multi_support_on())
C turn off support for multi fields messages */
C call grib_check(grib_multi_support_off())
C Loop on all the messages in a file.
10 iret=grib_new_from_file(ifile,igrib)
if (igrib .eq. -1 ) then
if (iret .ne.0) then
call grib_check(iret)
endif
stop
endif
C get as a integer*4
call grib_check(grib_get_int(igrib,'discipline',discipline))
write(*,*) 'discipline=',discipline
C get as a integer*4
call grib_check(grib_get_int(igrib,'parameterCategory'
X,parameterCategory))
write(*,*) 'parameterCategory=',parameterCategory
C get as a integer*4
call grib_check(grib_get_int(igrib,'parameterNumber'
X,parameterNumber))
write(*,*) 'parameterNumber=',parameterNumber
if ( discipline .eq. 0 .and. parameterCategory .eq. 2) then
if (parameterNumber .eq. 2) then
write(*,*) "-------- u -------"
endif
if (parameterNumber .eq. 3) then
write(*,*) "-------- v -------"
endif
endif
goto 10
call grib_check(grib_release(igrib))
call grib_check(grib_close_file(ifile))
end
|
