mirror of https://github.com/ecmwf/eccodes.git
77 lines
2.4 KiB
Fortran
77 lines
2.4 KiB
Fortran
! (C) Copyright 2005- ECMWF.
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!
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! This software is licensed under the terms of the Apache Licence Version 2.0
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! which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
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!
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! In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
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! virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
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!
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!
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!
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program get_data_real4
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use eccodes
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implicit none
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integer :: ifile
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integer :: iret, i
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real(kind=4), dimension(:), allocatable :: lats, lons, values
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integer, dimension(:), allocatable :: bitmap
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integer(4) :: numberOfPoints
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logical :: is_missing_value
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integer :: count1 = 0, count2 = 0, bitmapPresent = 0, bmp_len = 0
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integer :: igrib ! message identifier
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ifile = 5
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call codes_open_file(ifile, '../../data/reduced_latlon_surface.grib2', 'r')
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! loop on all the messages in the file
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do while (.true.)
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call codes_grib_new_from_file(ifile, igrib, iret)
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if (iret == CODES_END_OF_FILE) exit
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count1 = count1 + 1
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print *, "===== Message #", count1
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call codes_get(igrib, 'numberOfPoints', numberOfPoints)
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call codes_get(igrib, 'bitmapPresent', bitmapPresent)
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allocate (lats(numberOfPoints))
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allocate (lons(numberOfPoints))
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allocate (values(numberOfPoints))
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if (bitmapPresent == 1) then
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! get the bitmap
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call codes_get_size(igrib, 'bitmap', bmp_len)
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allocate (bitmap(bmp_len))
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call codes_get(igrib, 'bitmap', bitmap)
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end if
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call codes_grib_get_data(igrib, lats, lons, values)
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do i = 1, numberOfPoints
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! consult bitmap to see if the i'th value is missing
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is_missing_value = .false.
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if (bitmapPresent == 1 .and. bitmap(i) == 0) then
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is_missing_value = .true.
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end if
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! only print non-missing values
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if (.not. is_missing_value) then
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print *, lats(i), lons(i), values(i)
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count2 = count2 + 1
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end if
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end do
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print *, 'count of non-missing values=', count2
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if (count2 /= 214661) then
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call codes_check(-2, 'incorrect number of missing', '')
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end if
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deallocate (lats)
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deallocate (lons)
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deallocate (values)
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call codes_release(igrib)
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end do
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call codes_close_file(ifile)
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end program
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