2013-04-02 14:02:10 +00:00
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< h1 > multi.f90< / h1 > How to decode a grib message containing many fields.< p >
2014-01-03 16:22:21 +00:00
< div class = "fragment" > < pre class = "fragment" > < a name = "l00001" > < / a > 00001 ! Copyright 2005-2014 ECMWF
2013-04-02 14:02:10 +00:00
< a name = "l00002" > < / a > 00002 ! This software is licensed under the terms of the Apache Licence Version 2.0
< a name = "l00003" > < / a > 00003 ! which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
< a name = "l00004" > < / a > 00004 !
< a name = "l00005" > < / a > 00005 ! In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
< a name = "l00006" > < / a > 00006 ! virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
< a name = "l00007" > < / a > 00007 !
< a name = "l00008" > < / a > 00008 !
< a name = "l00009" > < / a > 00009 ! Description: How to decode grib messages containing multiple
< a name = "l00010" > < / a > 00010 ! fields. Try to turn on and off multi support to
< a name = "l00011" > < / a > 00011 ! see the difference. Default is OFF.
< a name = "l00012" > < / a > 00012 ! For all the tools defalut is multi support ON.
< a name = "l00013" > < / a > 00013 !
< a name = "l00014" > < / a > 00014 !
< a name = "l00015" > < / a > 00015 ! Author: Enrico Fucile
< a name = "l00016" > < / a > 00016 !
< a name = "l00017" > < / a > 00017 !
< a name = "l00018" > < / a > 00018 program multi
< a name = "l00019" > < / a > 00019 use grib_api
< a name = "l00020" > < / a > 00020 implicit none
< a name = "l00021" > < / a > 00021
< a name = "l00022" > < / a > 00022 integer :: iret
< a name = "l00023" > < / a > 00023 character(len = 256) :: error
< a name = "l00024" > < / a > 00024 integer(kind = 4) :: step
< a name = "l00025" > < / a > 00025 integer :: ifile,igrib
< a name = "l00026" > < / a > 00026
< a name = "l00027" > < / a > 00027 call grib_open_file(ifile, '../../data/multi_created.grib2','r')
< a name = "l00028" > < / a > 00028
< a name = "l00029" > < / a > 00029 ! turn on support for multi fields messages */
< a name = "l00030" > < / a > 00030 call < a name = "a0" > < / a > < a class = "code" href = "group__context.html#g3266536e68ebb6d4bbc4a22b29f0e8ea" title = "Turn on support for multiple fields in single grib messages." > grib_multi_support_on< / a > ()
< a name = "l00031" > < / a > 00031
< a name = "l00032" > < / a > 00032 ! turn off support for multi fields messages */
< a name = "l00033" > < / a > 00033 !call < a name = "a1" > < / a > < a class = "code" href = "group__context.html#gc022270a99922ccc57147670ed2a58d4" title = "Turn off support for multiple fields in single grib messages." > grib_multi_support_off< / a > ()
< a name = "l00034" > < / a > 00034
< a name = "l00035" > < / a > 00035 call grib_new_from_file(ifile,igrib, iret)
< a name = "l00036" > < / a > 00036 ! Loop on all the messages in a file.
< a name = "l00037" > < / a > 00037
< a name = "l00038" > < / a > 00038 write(*,*) 'step'
< a name = "l00039" > < / a > 00039 do while (iret /= < a name = "a2" > < / a > < a class = "code" href = "grib__api_8h.html#3bd3d72fe8bc116ca08c2d4b99203768" title = "End of ressource reached." > GRIB_END_OF_FILE< / a > )
< a name = "l00040" > < / a > 00040
< a name = "l00041" > < / a > 00041 call grib_get(igrib,'step', step)
< a name = "l00042" > < / a > 00042 write(*,'(i3)') step
< a name = "l00043" > < / a > 00043
< a name = "l00044" > < / a > 00044 call grib_new_from_file(ifile,igrib, iret)
< a name = "l00045" > < / a > 00045
< a name = "l00046" > < / a > 00046 end do
< a name = "l00047" > < / a > 00047 call grib_close_file(ifile)
< a name = "l00048" > < / a > 00048
< a name = "l00049" > < / a > 00049 end program multi
< a name = "l00050" > < / a > 00050
< / pre > < / div > < hr size = "1" > < address style = "text-align: right;" > < small > Generated on Tue Sep 22 15:18:21 2009 for grib_api by
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