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<h1>set.f90</h1>How to set values through the key names.<p>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 ! Copyright 2005-2016 ECMWF
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<a name="l00002"></a>00002 ! This software is licensed under the terms of the Apache Licence Version 2.0
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<a name="l00003"></a>00003 ! which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
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<a name="l00004"></a>00004 !
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<a name="l00005"></a>00005 ! In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
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<a name="l00006"></a>00006 ! virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
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<a name="l00007"></a>00007 !
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<a name="l00008"></a>00008 !
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<a name="l00009"></a>00009 ! Description: how to <span class="keyword">set</span> key values.
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<a name="l00010"></a>00010 !
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<a name="l00011"></a>00011 !
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<a name="l00012"></a>00012 ! Author: Anne Fouilloux
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<a name="l00013"></a>00013 !
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<a name="l00014"></a>00014 !
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<a name="l00015"></a>00015 program <span class="keyword">set</span>
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<a name="l00016"></a>00016 use grib_api
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<a name="l00017"></a>00017 implicit none
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<a name="l00018"></a>00018 integer(kind = 4) :: centre, date
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<a name="l00019"></a>00019 integer :: infile,outfile
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<a name="l00020"></a>00020 integer :: igrib
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<a name="l00021"></a>00021
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<a name="l00022"></a>00022
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<a name="l00023"></a>00023 centre = 80
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<a name="l00024"></a>00024 call current_date(date)
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<a name="l00025"></a>00025 call grib_open_file(infile, &
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<a name="l00026"></a>00026 '../../data/regular_latlon_surface_constant.grib1','r')
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<a name="l00027"></a>00027
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<a name="l00028"></a>00028 call grib_open_file(outfile, &
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<a name="l00029"></a>00029 'out.grib1','w')
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<a name="l00030"></a>00030
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<a name="l00031"></a>00031 ! a new grib message is loaded from file
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<a name="l00032"></a>00032 ! igrib is the grib id to be used in subsequent calls
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<a name="l00033"></a>00033 call grib_new_from_file(infile,igrib)
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<a name="l00034"></a>00034
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<a name="l00035"></a>00035 call grib_set(igrib,'date',date)
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<a name="l00036"></a>00036 ! set centre as a integer */
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<a name="l00037"></a>00037 call grib_set(igrib,'centre',centre)
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<a name="l00038"></a>00038
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<a name="l00039"></a>00039 ! check if it is correct in the actual GRIB message
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<a name="l00040"></a>00040
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<a name="l00041"></a>00041 call check_settings(igrib)
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<a name="l00042"></a>00042
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<a name="l00043"></a>00043 ! write modified message to a file
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<a name="l00044"></a>00044 call grib_write(igrib,outfile)
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<a name="l00045"></a>00045
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<a name="l00046"></a>00046 call grib_release(igrib)
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<a name="l00047"></a>00047
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<a name="l00048"></a>00048 call grib_close_file(infile)
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<a name="l00049"></a>00049
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<a name="l00050"></a>00050 call grib_close_file(outfile)
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<a name="l00051"></a>00051
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<a name="l00052"></a>00052 contains
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<a name="l00053"></a>00053
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<a name="l00054"></a>00054 !======================================
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<a name="l00055"></a>00055 subroutine current_date(date)
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<a name="l00056"></a>00056 integer, intent(out) :: date
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<a name="l00057"></a>00057
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<a name="l00058"></a>00058 integer :: val_date(8)
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<a name="l00059"></a>00059 call date_and_time ( values = val_date)
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<a name="l00060"></a>00060
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<a name="l00061"></a>00061 date = val_date(1)* 10000 + val_date(2)*100 + val_date(3)
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<a name="l00062"></a>00062 end subroutine current_date
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<a name="l00063"></a>00063 !======================================
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<a name="l00064"></a>00064 subroutine check_settings(gribid)
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<a name="l00065"></a>00065 use grib_api
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<a name="l00066"></a>00066 implicit none
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<a name="l00067"></a>00067 integer, intent(in) :: gribid
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<a name="l00068"></a>00068
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<a name="l00069"></a>00069 integer(kind = 4) :: int_value
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<a name="l00070"></a>00070 character(len = 10) :: string_value
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<a name="l00071"></a>00071
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<a name="l00072"></a>00072 ! get centre as a integer
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<a name="l00073"></a>00073 call grib_get(gribid,'centre',int_value)
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<a name="l00074"></a>00074 write(*,*) <span class="stringliteral">"get centre as a integer - centre = "</span>,int_value
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<a name="l00075"></a>00075
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<a name="l00076"></a>00076 ! get centre as a string
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<a name="l00077"></a>00077 call grib_get(gribid,'centre',string_value)
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<a name="l00078"></a>00078 write(*,*) <span class="stringliteral">"get centre as a string - centre = "</span>,string_value
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<a name="l00079"></a>00079
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<a name="l00080"></a>00080 ! get date as a string
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<a name="l00081"></a>00081 call grib_get(gribid,'dataDate',string_value)
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<a name="l00082"></a>00082 write(*,*) <span class="stringliteral">"get date as a string - date = "</span>,string_value
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<a name="l00083"></a>00083
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<a name="l00084"></a>00084 end subroutine check_settings
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<a name="l00085"></a>00085 end program set
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</pre></div> <hr size="1"><address style="text-align: right;"><small>Generated on Tue Sep 22 15:18:22 2009 for grib_api by
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<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.3 </small></address>
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