mirror of https://github.com/ecmwf/eccodes.git
79 lines
2.2 KiB
Fortran
79 lines
2.2 KiB
Fortran
C Copyright 2005-2015 ECMWF.
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C
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C This software is licensed under the terms of the Apache Licence Version 2.0
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C which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
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C
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C In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
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C virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
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C
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C
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C
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C Fortran 77 Implementation: multi_fortran
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C
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C Description: How to decode grib messages containing multiple
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C fields. Try to turn on and off multi support to
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C see the difference. Default is OFF.
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C For all the tools defalut is multi support ON.
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C
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C
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C
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C
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C
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program multi
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implicit none
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include 'grib_api_fortran.h'
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integer iret
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character*256 error
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integer*4 parameterCategory,parameterNumber,discipline
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integer ifile,igrib
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call grib_check( grib_open_file(ifile
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X,'../data/multi.grib2','r'))
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C turn on support for multi fields messages */
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call grib_check(grib_multi_support_on())
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C turn off support for multi fields messages */
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C call grib_check(grib_multi_support_off())
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C Loop on all the messages in a file.
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10 iret=grib_new_from_file(ifile,igrib)
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if (igrib .eq. -1 ) then
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if (iret .ne.0) then
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call grib_check(iret)
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endif
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stop
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endif
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C get as a integer*4
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call grib_check(grib_get_int(igrib,'discipline',discipline))
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write(*,*) 'discipline=',discipline
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C get as a integer*4
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call grib_check(grib_get_int(igrib,'parameterCategory'
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X,parameterCategory))
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write(*,*) 'parameterCategory=',parameterCategory
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C get as a integer*4
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call grib_check(grib_get_int(igrib,'parameterNumber'
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X,parameterNumber))
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write(*,*) 'parameterNumber=',parameterNumber
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if ( discipline .eq. 0 .and. parameterCategory .eq. 2) then
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if (parameterNumber .eq. 2) then
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write(*,*) "-------- u -------"
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endif
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if (parameterNumber .eq. 3) then
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write(*,*) "-------- v -------"
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endif
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endif
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goto 10
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call grib_check(grib_release(igrib))
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call grib_check(grib_close_file(ifile))
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end
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