2013-04-02 14:02:10 +00:00
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< h1 > print_data.f90< / h1 > How to print all the data contained in a grib file.< p >
2013-04-18 09:23:23 +00:00
< div class = "fragment" > < pre class = "fragment" > < a name = "l00001" > < / a > 00001 ! Copyright 2005-2013 ECMWF
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< 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: prints all the data contained in a grib file
< 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 print_data
< a name = "l00016" > < / a > 00016 use grib_api
< a name = "l00017" > < / a > 00017 implicit none
< a name = "l00018" > < / a > 00018 integer :: ifile
< a name = "l00019" > < / a > 00019 integer :: iret
< a name = "l00020" > < / a > 00020 integer :: igrib
< a name = "l00021" > < / a > 00021 integer :: i
< a name = "l00022" > < / a > 00022 real(kind=8), dimension(:), allocatable :: values
< a name = "l00023" > < / a > 00023 integer(kind=4) :: numberOfValues
< a name = "l00024" > < / a > 00024 real(kind=8) :: average
< a name = "l00025" > < / a > 00025 real(kind=8) :: max
< a name = "l00026" > < / a > 00026 real(kind=8) :: min
< a name = "l00027" > < / a > 00027 character(len=256) :: error
< a name = "l00028" > < / a > 00028
< a name = "l00029" > < / a > 00029 call grib_open_file(ifile, &
< a name = "l00030" > < / a > 00030 '../../data/constant_field.grib1','r')
< a name = "l00031" > < / a > 00031
< a name = "l00032" > < / a > 00032 ! a new grib message is loaded from file
< a name = "l00033" > < / a > 00033 ! igrib is the grib id to be used in subsequent calls
< a name = "l00034" > < / a > 00034 call grib_new_from_file(ifile,igrib)
< a name = "l00035" > < / a > 00035
< a name = "l00036" > < / a > 00036
< a name = "l00037" > < / a > 00037 ! get the size of the values array
< 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)
< a name = "l00039" > < / a > 00039
< a name = "l00040" > < / a > 00040 ! get data values
< a name = "l00041" > < / a > 00041 print*, 'number of values ', numberOfValues
< a name = "l00042" > < / a > 00042 allocate(values(numberOfValues), stat=iret)
< a name = "l00043" > < / a > 00043
< a name = "l00044" > < / a > 00044 call grib_get(igrib,'values',values)
< a name = "l00045" > < / a > 00045
< a name = "l00046" > < / a > 00046 do i=1,numberOfValues
< a name = "l00047" > < / a > 00047 write(*,*)' ',i,values(i)
< a name = "l00048" > < / a > 00048 enddo
< a name = "l00049" > < / a > 00049
< a name = "l00050" > < / a > 00050
< a name = "l00051" > < / a > 00051 write(*,*)numberOfValues,' values found '
< a name = "l00052" > < / a > 00052
< a name = "l00053" > < / a > 00053 call grib_get(igrib,'max',max)
< a name = "l00054" > < / a > 00054 write(*,*) 'max=',max
< a name = "l00055" > < / a > 00055 call grib_get(igrib,'min',min)
< a name = "l00056" > < / a > 00056 write(*,*) 'min=',min
< a name = "l00057" > < / a > 00057 call grib_get(igrib,'average',average)
< a name = "l00058" > < / a > 00058 write(*,*) 'average=',average
< a name = "l00059" > < / a > 00059
< a name = "l00060" > < / a > 00060 call grib_release(igrib)
< a name = "l00061" > < / a > 00061
< a name = "l00062" > < / a > 00062 call grib_close_file(ifile)
< a name = "l00063" > < / a > 00063
< a name = "l00064" > < / a > 00064 deallocate(values)
< a name = "l00065" > < / a > 00065
< a name = "l00066" > < / a > 00066 end program print_data
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