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