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<title>grib_api: print_data.f90</title>
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<h1>print_data.f90</h1>How to print all the data contained in a grib file.<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: prints all the data contained in a grib file
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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 print_data
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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 :: ifile
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<a name="l00019"></a>00019 integer :: iret
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<a name="l00020"></a>00020 integer :: igrib
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<a name="l00021"></a>00021 integer :: i
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<a name="l00022"></a>00022 real(kind=8), dimension(:), allocatable :: values
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<a name="l00023"></a>00023 integer(kind=4) :: numberOfValues
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<a name="l00024"></a>00024 real(kind=8) :: average
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<a name="l00025"></a>00025 real(kind=8) :: max
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<a name="l00026"></a>00026 real(kind=8) :: min
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<a name="l00027"></a>00027 character(len=256) :: error
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<a name="l00028"></a>00028
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<a name="l00029"></a>00029 call grib_open_file(ifile, &
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<a name="l00030"></a>00030 '../../data/constant_field.grib1','r')
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<a name="l00031"></a>00031
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<a name="l00032"></a>00032 ! a new grib message is loaded from file
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<a name="l00033"></a>00033 ! igrib is the grib id to be used in subsequent calls
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<a name="l00034"></a>00034 call grib_new_from_file(ifile,igrib)
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<a name="l00035"></a>00035
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<a name="l00036"></a>00036
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<a name="l00037"></a>00037 ! get the size of the values array
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<a name="l00038"></a>00038 call <a name="a0"></a><a class="code" href="group__get__set.html#g18b622ed86b24d5e5fcab70c309fc245" title="Get the number of coded value from a key, if several keys of the same name are present...">grib_get_size</a>(igrib,'values',numberOfValues)
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<a name="l00039"></a>00039
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<a name="l00040"></a>00040 ! get data values
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<a name="l00041"></a>00041 print*, 'number of values ', numberOfValues
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<a name="l00042"></a>00042 allocate(values(numberOfValues), stat=iret)
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<a name="l00043"></a>00043
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<a name="l00044"></a>00044 call grib_get(igrib,'values',values)
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<a name="l00045"></a>00045
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<a name="l00046"></a>00046 do i=1,numberOfValues
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<a name="l00047"></a>00047 write(*,*)' ',i,values(i)
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<a name="l00048"></a>00048 enddo
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<a name="l00049"></a>00049
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<a name="l00050"></a>00050
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<a name="l00051"></a>00051 write(*,*)numberOfValues,' values found '
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<a name="l00052"></a>00052
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<a name="l00053"></a>00053 call grib_get(igrib,'max',max)
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<a name="l00054"></a>00054 write(*,*) 'max=',max
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<a name="l00055"></a>00055 call grib_get(igrib,'min',min)
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<a name="l00056"></a>00056 write(*,*) 'min=',min
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<a name="l00057"></a>00057 call grib_get(igrib,'average',average)
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<a name="l00058"></a>00058 write(*,*) 'average=',average
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<a name="l00059"></a>00059
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<a name="l00060"></a>00060 call grib_release(igrib)
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<a name="l00061"></a>00061
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<a name="l00062"></a>00062 call grib_close_file(ifile)
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<a name="l00063"></a>00063
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<a name="l00064"></a>00064 deallocate(values)
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<a name="l00065"></a>00065
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<a name="l00066"></a>00066 end program print_data
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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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<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.3 </small></address>
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