2013-04-02 14:02:10 +00:00
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< h1 > get_pv.f90< / h1 > How to get the list of levels.< p >
2015-01-05 15:45:46 +00:00
< div class = "fragment" > < pre class = "fragment" > < a name = "l00001" > < / a > 00001 ! Copyright 2005-2015 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 < span class = "keyword" > get< / span > PV values.
< a name = "l00010" > < / a > 00010 !
< a name = "l00011" > < / a > 00011 !
< a name = "l00012" > < / a > 00012 ! Author: Anne Fouilloux
< a name = "l00013" > < / a > 00013 !
< a name = "l00014" > < / a > 00014 !
< a name = "l00015" > < / a > 00015 program get_pv
< a name = "l00016" > < / a > 00016 use grib_api
< a name = "l00017" > < / a > 00017 implicit none
< a name = "l00018" > < / a > 00018 integer :: infile
< a name = "l00019" > < / a > 00019 integer :: igrib
< a name = "l00020" > < / a > 00020 integer :: PVPresent, nb_pv
< a name = "l00021" > < / a > 00021 real, dimension(:), allocatable :: pv
< a name = "l00022" > < / a > 00022
< a name = "l00023" > < / a > 00023
< a name = "l00024" > < / a > 00024 call grib_open_file(infile, &
< a name = "l00025" > < / a > 00025 '../../data/reduced_gaussian_model_level.grib1< span class = "charliteral" > ','< / span > r')
< a name = "l00026" > < / a > 00026
< a name = "l00027" > < / a > 00027 ! a < span class = "keyword" > new< / span > grib message is loaded from file
< a name = "l00028" > < / a > 00028 ! igrib is the grib < span class = "keywordtype" > id< / span > to be used in subsequent calls
< a name = "l00029" > < / a > 00029 call grib_new_from_file(infile,igrib)
< a name = "l00030" > < / a > 00030
< a name = "l00031" > < / a > 00031 ! < span class = "keyword" > set< / span > PVPresent as an integer
< a name = "l00032" > < / a > 00032 call grib_get(igrib,'PVPresent',PVPresent)
< a name = "l00033" > < / a > 00033 print*, "PVPresent = ", PVPresent
< a name = "l00034" > < / a > 00034 if (PVPresent == 1) then
< a name = "l00035" > < / a > 00035 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,'pv',nb_pv)
< a name = "l00036" > < / a > 00036 print*, "There are ", nb_pv, " PV values"
< a name = "l00037" > < / a > 00037 allocate(pv(nb_pv))
< a name = "l00038" > < / a > 00038 call grib_get(igrib,'pv',pv)
< a name = "l00039" > < / a > 00039 print*, "pv = ", pv
< a name = "l00040" > < / a > 00040 deallocate(pv)
< a name = "l00041" > < / a > 00041 else
< a name = "l00042" > < / a > 00042 print*, "There is no PV values in your GRIB message!"
< a name = "l00043" > < / a > 00043 end if
< a name = "l00044" > < / a > 00044 call grib_release(igrib)
< a name = "l00045" > < / a > 00045
< a name = "l00046" > < / a > 00046 call grib_close_file(infile)
< a name = "l00047" > < / a > 00047
< a name = "l00048" > < / a > 00048 end program get_pv
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