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osmium-tool の tags-filter 処理(シェルスクリプト)

Last updated at Posted at 2021-06-07

こんにちは。
OpenStreetMap データ(osm.pbf ファイルの way データ)に対して、osmium-tool の tags-filter コマンドの処理を行うシェルスクリプトを作りました。 and 条件も指定可能です(& で区切った条件を与えます)。GeoJSON データを標準出力します(GDAL (ogr2ogr) を使っています)。

動作例(下記)は、

  1. 最初に、tags-filter: w/highway=motorway,motorway_link を処理し1
  2. 次にこれに対して、tags-filter: w/moped=yes w/bicycle=yes を処理する例です:
$ ./tags_filter.sh "w/highway=motorway,motorway_link & w/moped=yes w/bicycle=yes" japan-latest.osm.pbf > result.geojson
tags_filter.sh
#!/bin/sh

WAYS="$1"
inputfile="$2"

## function ##
realpath_() {
  case "$1" in /*) ;; *) printf '%s/' "$PWD";; esac; echo "$1"
}

## main ##
resultfile=ways.osm.pbf
inputfile=$(realpath_ "$inputfile")
tmpdir=$(mktemp -d)
cd "$tmpdir" || exit

echo "$WAYS" | tr '&' '\n' | { while read -r ways; do
  cp -f "$inputfile" input.osm.pbf
  osmium tags-filter input.osm.pbf $ways -O -o "$resultfile"
  inputfile="$resultfile"
done }

ogr2ogr -f "GeoJSON" result.json "$resultfile" lines >/dev/null
cat result.json
rm -rf "$tmpdir"
exit
  1. 複数条件を指定すると or 扱いです(osmium-tool の tags-filter の仕様です)。

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