eccodes/examples/F90/print_data_fortran.f90

66 lines
1.7 KiB
Fortran

! Copyright 2005-2012 ECMWF.
!
! This software is licensed under the terms of the Apache Licence Version 2.0
! which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
!
! In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
! virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
!
! Fortran 90 Implementation: print_data_fortran
!
! Description: prints all the data contained in a grib file
!
!
!
program print_data_fortran
use grib_api
implicit none
integer :: ifile
integer :: iret
integer :: igrib
integer :: i
real(kind=8), dimension(:), allocatable :: values
integer(kind=4) :: numberOfValues
real(kind=8) :: average
real(kind=8) :: max
real(kind=8) :: min
character(len=256) :: error
call grib_open_file(ifile, &
'../../data/constant_field.grib1','r')
! a new grib message is loaded from file
! igrib is the grib id to be used in subsequent calls
call grib_new_from_file(ifile,igrib)
! get the size of the values array
call grib_get(igrib,'numberOfValues',numberOfValues)
! get data values
print*, 'number of values ', numberOfValues
allocate(values(numberOfValues), stat=iret)
call grib_get(igrib,'values',values)
do i=1,numberOfValues
write(*,*)' ',i,values(i)
enddo
write(*,*)numberOfValues,' values found '
call grib_get(igrib,'max',max)
write(*,*) 'max=',max
call grib_get(igrib,'min',min)
write(*,*) 'min=',min
call grib_get(igrib,'average',average)
write(*,*) 'average=',average
call grib_release(igrib)
call grib_close_file(ifile)
deallocate(values)
end program print_data_fortran