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<h1>copy_message.f90</h1>How to copy a message in memory and create a new message.<p>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 ! Copyright 2005-2015 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 copy a message in memory
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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 copy
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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 :: err, centre
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<a name="l00019"></a>00019 integer(kind=kindOfSize) :: byte_size
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<a name="l00020"></a>00020 integer :: infile,outfile
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<a name="l00021"></a>00021 integer :: igrib_in,iret
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<a name="l00022"></a>00022 integer :: igrib_out
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<a name="l00023"></a>00023 character(len=1), dimension(:), allocatable :: message
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<a name="l00024"></a>00024
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<a name="l00025"></a>00025
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<a name="l00026"></a>00026 call grib_open_file(infile,'../../data/constant_field.grib1','r')
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<a name="l00027"></a>00027 call grib_open_file(outfile,'out.grib1','w')
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<a name="l00028"></a>00028
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<a name="l00029"></a>00029 ! a new grib message is loaded from file
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<a name="l00030"></a>00030 ! igrib is the grib id to be used in subsequent calls
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<a name="l00031"></a>00031 call grib_new_from_file(infile,igrib_in)
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<a name="l00032"></a>00032
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<a name="l00033"></a>00033 call grib_get_message_size(igrib_in, byte_size)
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<a name="l00034"></a>00034 allocate(message(byte_size), stat=err)
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<a name="l00035"></a>00035
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<a name="l00036"></a>00036 call grib_copy_message(igrib_in,message)
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<a name="l00037"></a>00037
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<a name="l00038"></a>00038 call grib_new_from_message(igrib_out, message)
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<a name="l00039"></a>00039
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<a name="l00040"></a>00040 centre=80
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<a name="l00041"></a>00041 call grib_set(igrib_out,<span class="stringliteral">"centre"</span>,centre)
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<a name="l00042"></a>00042
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<a name="l00043"></a>00043 ! write messages to a file
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<a name="l00044"></a>00044 call grib_write(igrib_out,outfile)
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<a name="l00045"></a>00045
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<a name="l00046"></a>00046 call grib_release(igrib_out)
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<a name="l00047"></a>00047
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<a name="l00048"></a>00048 call grib_release(igrib_in)
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<a name="l00049"></a>00049
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<a name="l00050"></a>00050 call grib_close_file(infile)
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<a name="l00051"></a>00051 call grib_close_file(outfile)
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<a name="l00052"></a>00052 deallocate(message)
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<a name="l00053"></a>00053
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<a name="l00054"></a>00054 end program copy
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</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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