mirror of https://github.com/ecmwf/eccodes.git
81 lines
2.2 KiB
Fortran
81 lines
2.2 KiB
Fortran
C Copyright 2005-2017 ECMWF.
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C
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C This software is licensed under the terms of the Apache Licence Version 2.0
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C which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
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C
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C In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
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C virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
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C
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C
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C Fortran 77 Implementation: print_data_fortran
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C
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C Description: prints all the data contained in a grib file
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C
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C
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C
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C
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program print_data_fortran
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implicit none
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integer maxNumberOfValues
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parameter( maxNumberOfValues = 100000 )
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include 'grib_api_fortran.h'
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integer ifile
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integer iret
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integer igrib
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integer i
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real*8 values(maxNumberOfValues)
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integer*4 numberOfValues
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real*8 average
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real*8 max
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real*8 min
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character*256 error
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integer*4 size
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size=maxNumberOfValues
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ifile=5
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iret=grib_open_file(ifile
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X,'../data/constant_field.grib1','r')
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call grib_check(iret)
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C a new grib message is loaded from file
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C igrib is the grib id to be used in subsequent calls
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call grib_check( grib_new_from_file(ifile,igrib) )
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C get the size of the values array
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call grib_check(grib_get_size(igrib,'values',numberOfValues))
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if ( numberOfValues .gt. maxNumberOfValues ) then
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write(*,*)'ERROR: maxNumberOfValues too small numberOfValues=',
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XnumberOfValues
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stop
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endif
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C get data values
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call grib_check(grib_get_real8_array(igrib,'values',values,size))
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if ( size .ne. numberOfValues ) then
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write(*,*) 'ERROR: wrong numberOfValues'
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stop
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endif
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do i=1,numberOfValues
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write(*,*)' ',i,values(i)
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enddo
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average =average / numberOfValues
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write(*,*)numberOfValues,' values found '
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call grib_check(grib_get_real8(igrib,'max',max))
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write(*,*) 'max=',max
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call grib_check(grib_get_real8(igrib,'min',min))
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write(*,*) 'min=',min
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call grib_check(grib_get_real8(igrib,'average',average))
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write(*,*) 'average=',average
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call grib_check(grib_release(igrib))
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call grib_check(grib_close_file(ifile))
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end
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