mirror of https://github.com/ecmwf/eccodes.git
68 lines
1.6 KiB
Fortran
68 lines
1.6 KiB
Fortran
! Copyright 2005-2014 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.
|
|
!
|
|
!
|
|
! Description: how to get lat/lon/values.
|
|
!
|
|
!
|
|
!
|
|
program get_data
|
|
use grib_api
|
|
implicit none
|
|
integer :: ifile
|
|
integer :: iret,i
|
|
real(kind=8),dimension(:),allocatable :: lats,lons,values
|
|
integer(4) :: numberOfPoints
|
|
real(8) :: missingValue=9999
|
|
integer :: count1=0
|
|
character(len=256) :: filename
|
|
|
|
! Message identifier.
|
|
integer :: igrib
|
|
|
|
ifile=5
|
|
|
|
call grib_open_file(ifile, &
|
|
'../../data/reduced_latlon_surface.grib1','R')
|
|
|
|
! Loop on all the messages in a file.
|
|
|
|
call grib_new_from_file(ifile,igrib,iret)
|
|
|
|
do while (iret/=GRIB_END_OF_FILE)
|
|
count1=count1+1
|
|
print *, "===== Message #",count1
|
|
call grib_get(igrib,'numberOfPoints',numberOfPoints)
|
|
call grib_set(igrib,'missingValue',missingValue)
|
|
|
|
allocate(lats(numberOfPoints))
|
|
allocate(lons(numberOfPoints))
|
|
allocate(values(numberOfPoints))
|
|
|
|
call grib_get_data(igrib,lats,lons,values)
|
|
|
|
do i=1,numberOfPoints
|
|
if (values(i) /= missingValue) then
|
|
print *, lats(i),lons(i),values(i)
|
|
end if
|
|
enddo
|
|
|
|
deallocate(lats)
|
|
deallocate(lons)
|
|
deallocate(values)
|
|
|
|
call grib_release(igrib)
|
|
call grib_new_from_file(ifile,igrib, iret)
|
|
|
|
end do
|
|
|
|
|
|
call grib_close_file(ifile)
|
|
|
|
end program
|