mirror of https://github.com/ecmwf/eccodes.git
87 lines
2.3 KiB
Bash
Executable File
87 lines
2.3 KiB
Bash
Executable File
#!/bin/sh
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# (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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. ./include.ctest.sh
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# Define a common label for all the tmp files
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label="grib_lambert_conformal_test"
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tempFilter="temp.${label}.filt"
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tempGrib="temp.${label}.grib"
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tempOut="temp.${label}.out"
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input=$ECCODES_SAMPLES_PATH/GRIB2.tmpl
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# Create a filter
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cat > $tempFilter <<EOF
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set gridType="lambert";
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set numberOfDataPoints=294000;
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set shapeOfTheEarth=6;
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set Nx=588;
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set Ny=500;
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set latitudeOfFirstGridPoint=40442000;
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set longitudeOfFirstGridPoint=353559000;
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set LaD=60000000;
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set LoV=2200000;
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set Dx=2499000;
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set Dy=2499000;
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set Latin1=46401000;
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set Latin2=46401000;
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set numberOfValues=294000;
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write;
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EOF
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# Use filter on input to create a new Lambert conformal GRIB
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${tools_dir}/grib_filter -o $tempGrib $tempFilter $input
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if [ ! -f "$tempGrib" ]; then
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echo 'Failed to create output GRIB from filter' >&2
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exit 1
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fi
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# Invoke Geoiterator on the newly created GRIB file
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${tools_dir}/grib_get_data $tempGrib > $tempOut
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${tools_dir}/grib_ls -l 50,0 $tempGrib
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# Oblate earth
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# --------------
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cat > $tempFilter <<EOF
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set gridType="lambert";
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set numberOfDataPoints=294000;
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set Nx=588;
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set Ny=500;
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set latitudeOfFirstGridPoint=40442000;
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set longitudeOfFirstGridPoint=353559000;
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set LaD=60000000;
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set LoV=2200000;
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set Dx=2499000;
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set Dy=2499000;
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set Latin1=46401000;
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set Latin2=46401000;
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set shapeOfTheEarth=2; # oblate earth
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set numberOfValues=294000;
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write;
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EOF
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# Use this filter and the input GRIB to create a new GRIB
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${tools_dir}/grib_filter -o $tempGrib $tempFilter $input
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if [ ! -f "$tempGrib" ]; then
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echo 'Failed to create output GRIB from filter' >&2
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exit 1
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fi
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grib_check_key_equals $tempGrib 'earthIsOblate,earthMinorAxisInMetres,earthMajorAxisInMetres' '1 6356775 6378160'
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# Invoke Geoiterator on the oblate lambert GRIB
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${tools_dir}/grib_get_data $tempGrib > $tempOut
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# Nearest neighbour on the oblate lambert GRIB
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${tools_dir}/grib_ls -l 40.44,353.56 $tempGrib
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# Clean up
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rm -f $tempFilter $tempGrib $tempOut
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