2015-01-05 15:45:46 +00:00
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! Copyright 2005-2015 ECMWF.
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2013-03-25 12:04:10 +00:00
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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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! Description: how to set missing a key value.
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!
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!
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!
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program set
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use grib_api
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implicit none
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integer :: infile,outfile
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2014-02-13 16:51:47 +00:00
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integer :: igrib, Ni, is_missing
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2013-03-25 12:04:10 +00:00
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infile=5
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outfile=6
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call grib_open_file(infile, &
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'../../data/reduced_gaussian_pressure_level.grib2','r')
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call grib_open_file(outfile, &
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'out_surface_level.grib2','w')
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! a new grib message is loaded from file
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! igrib is the grib id to be used in subsequent calls
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call grib_new_from_file(infile,igrib)
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call grib_set(igrib,'typeOfFirstFixedSurface','sfc')
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call grib_set_missing(igrib,'scaleFactorOfFirstFixedSurface')
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call grib_set_missing(igrib,'scaledValueOfFirstFixedSurface')
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2014-02-13 16:51:47 +00:00
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! See GRIB-490
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call grib_get(igrib, 'Ni', Ni)
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call grib_is_missing(igrib,'Ni',is_missing)
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if ( is_missing == 0 ) then
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! Ni should be missing in gribs with Reduced Gaussian grids
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call grib_check(-2, 'Ni_should_be_missing', '')
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endif
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call grib_set(igrib, 'Ni', Ni)
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2013-03-25 12:04:10 +00:00
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call grib_write(igrib,outfile)
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call grib_release(igrib)
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call grib_close_file(infile)
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call grib_close_file(outfile)
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end program set
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