mirror of https://github.com/ecmwf/eccodes.git
55 lines
1.6 KiB
Fortran
55 lines
1.6 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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! Description: Set the packingType in a GRIB file
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! e.g. Simple packing, CCSDS
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!
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program set_packing
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use eccodes
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implicit none
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integer :: outfile
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integer :: i, igrib, iret, numberOfValues, cnt
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real :: d, e
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real, dimension(:), allocatable :: values
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integer, parameter :: max_strsize = 200
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character(len=max_strsize) :: outfile_name, packing_type
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call getarg(1, packing_type)
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call getarg(2, outfile_name)
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call codes_open_file(outfile, outfile_name, 'w')
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call codes_grib_new_from_samples(igrib, 'gg_sfc_grib2')
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call codes_get_size(igrib, 'values', numberOfValues)
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allocate (values(numberOfValues), stat=iret)
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d = 10e-6
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e = d
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cnt = 1
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do i = 1, numberOfValues
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if (cnt > 100) then
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e = e*1.01
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cnt = 1
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end if
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values(i) = d
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d = d + e
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cnt = cnt + 1
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end do
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call codes_set(igrib, 'numberOfBitsContainingEachPackedValue', 16)
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call codes_set(igrib, 'packingType', packing_type)
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! set data values
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call codes_set(igrib, 'values', values)
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call codes_write(igrib, outfile)
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call codes_release(igrib)
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deallocate (values)
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end program set_packing
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