mirror of https://github.com/ecmwf/eccodes.git
93 lines
2.5 KiB
Bash
Executable File
93 lines
2.5 KiB
Bash
Executable File
:
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set -eu
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# Usage:
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# $0 $paramId $paramId...
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#
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# This script will insert the local ECMWF GRIB2 representation
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# for each paramId into the files:
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# definitions/grib2/localConcepts/ecmf/paramId.legacy.def
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# definitions/grib2/localConcepts/ecmf/shortName.legacy.def
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# etc
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# This is normally run for those GRIB2 parameters which had
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# a local ECMWF representation which later acquired a standard
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# WMO one. We want to be able to match the old encoding to the
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# paramId but when we write out a field, we want to use the new
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# standard WMO encoding.
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#
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# Assumptions:
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# The ecCodes tools grib_set and grib_get are available
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# The legacy encoding has discipline = 192
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# The parameterCategory = $paramId / 1000
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# The parameterNumber = $paramId - parameterCategory*1000
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#
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if [ $# -eq 0 ]; then
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echo "Usage: $0 pid1 pid2 ..." 2>&1
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exit 1
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fi
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# Input list of paramId values
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pids="$@"
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sample2=samples/GRIB2.tmpl
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temp=$TMPDIR/temp.create_legacy_ecmf_def.grib
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defs=definitions/grib2/localConcepts/ecmf
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output_def()
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{
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_name=$1
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_val=$2
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_d=$3
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_c=$4
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_n=$5
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if [ $_c -eq 0 ]; then
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_c=128
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fi
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if [ "$_val" != "unknown" ]; then
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echo "#$_name"
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echo "'$_val' = {"
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echo " discipline = $_d ;"
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echo " parameterCategory = $_c ;"
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echo " parameterNumber = $_n ;"
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echo "}"
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fi
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}
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count=0
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for pid in $pids; do
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echo "Doing $pid..."
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set +e
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grib_set -s paramId=$pid $sample2 $temp 2>/dev/null
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status=$?
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set -e
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if [ $status -ne 0 ]; then
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grib_set -s stepType=accum,paramId=$pid $sample2 $temp
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fi
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name=$(grib_get -p name $temp)
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shortName=$(grib_get -p shortName $temp)
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units=$(grib_get -p units $temp)
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cfName=$(grib_get -p cfName $temp)
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cfVarName=$(grib_get -p cfVarName $temp)
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count=$((count+1))
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dis=192
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cat=$((pid/1000))
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num=$((pid - cat*1000))
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output_def "$name" "$pid" $dis $cat $num >> $defs/paramId.legacy.def
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output_def "$name" "$name" $dis $cat $num >> $defs/name.legacy.def
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output_def "$name" "$shortName" $dis $cat $num >> $defs/shortName.legacy.def
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output_def "$name" "$units" $dis $cat $num >> $defs/units.legacy.def
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output_def "$name" "$cfVarName" $dis $cat $num >> $defs/cfVarName.legacy.def
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output_def "$name" "$cfName" $dis $cat $num >> $defs/cfName.legacy.def
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done
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echo "Number of legacy parameters added: $count"
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if [ $count -gt 0 ]; then
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echo "Files updated. Check directory $defs"
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fi
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rm -f $temp
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