2015-01-05 15:45:46 +00:00
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! Copyright 2005-2015 ECMWF.
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2013-03-25 12:04:10 +00:00
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!
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! This software is licensed under the terms of the Apache Licence Version 2.0
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! which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
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!
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! In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
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! virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
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!
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!
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! Description: How to decode grib messages containing multiple
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! fields. Try to turn on and off multi support to
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! see the difference. Default is OFF.
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! For all the tools default is multi support ON.
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!
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!
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!
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!
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program multi
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use grib_api
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implicit none
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integer :: iret
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character(len = 256) :: error
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integer(kind = 4) :: step
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integer :: ifile,igrib
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call grib_open_file(ifile, '../../data/multi_created.grib2','r')
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! turn on support for multi fields messages */
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call grib_multi_support_on()
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! turn off support for multi fields messages */
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!call grib_multi_support_off()
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call grib_new_from_file(ifile,igrib, iret)
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! Loop on all the messages in a file.
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write(*,*) 'step'
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do while (iret /= GRIB_END_OF_FILE)
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call grib_get(igrib,'step', step)
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write(*,'(i3)') step
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call grib_new_from_file(ifile,igrib, iret)
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end do
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call grib_close_file(ifile)
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end program multi
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