abr-geocoder

日本語 (Japanese)

Address Base Registry Geocoder by Japan Digital Agency

• Assigns a town ID.
• Normalizes address strings.
• Outputs latitude and longitude pair with matched level.

Index

• abr-geocoder
  • Index
  • Documents
  • Requirement
  • Install
  • Usage
    • download
    • update-check
    • geocode (without command is specified)
  • Output Formats
    • json
    • geojson
    • Matching Levels

Documents

• Contributing this project

Requirement

This command requires node.js version 18 or above.

Install

npm install @digital-go-jp/abr-geocoder

Usage

$ abrg download # Download data from the address base registry and create a database.
$ echo "東京都千代田区紀尾井町1-3　東京ガーデンテラス紀尾井町 19階、20階" | abrg -

download

Obtains the latest data from server.

$ abrg download

Downloads the public data from the address base registry "全アドレスデータ" into the $HOME/.abr-geocoder directory, then creates a local database using SQLite.

To update the local database, runs abrg download.

update-check

Checks the new update data.

$ abrg update-check

Returns 0 if new data is available in CKAN or if no local database exists. In that case, runs download command. Returns 1 if the local database is the latest.

geocode (without command is specified)

Geocodes from the <inputFile>. You can also specify - for stdin.

$ abrg <inputFile> [<outputFile>] [options]

• <inputFile>

  • case: Specifies a query file path: Geocodes from the <inputFile>. The input file must have Japanese address each line.

    For example:

    abrg ./sample.txt

    東京都千代田区紀尾井町1-3
    東京都千代田区永田町1-10-1
    ...
    東京都千代田区永田町一丁目7番1号

  • case: Specifies -: You can also pass the input query through pipe command. - denotes stdin.

    echo "東京都千代田区紀尾井町1-3　東京ガーデンテラス紀尾井町 19階、20階" | abrg -

• <outputFile> Specifies the file path to save the output. If you ommit, the command prints out to stdout.

  For example：

  abrg ./sample.txt ./output.json
  echo "東京都千代田区紀尾井町1-3" | abrg - ./output.json
  cat ./sample.txt | abrg - | jq

• -f, --format

  Specifies output format. Default is json. | format | description | |---------|---------------------------------------------------| | csv |Output results in comma-separated csv format. | | json |Output results in json format. | | ndjson |Output results in NDJSON. | | geojson |Output results in GeoJSON format. | | ndgeojson |Output results in NDGeoJSON format.|

• --fuzzy

  • Specifies the character to be used as a wildcard. Default is `?``.

  For example:

  echo "東京都町?市森野2-2-22" | abrg - --fuzzy "?"

• -h, --help

  Displays this command usage.

Output Formats

json

[
  {
    "query": {
      "input": "東京都千代田区紀尾井町1-3"
    },
    "result": {
      "prefecture": "東京都",
      "match_level": 8,
      "city": "千代田区",
      "town": "紀尾井町",
      "town_id": "0056000",
      "lg_code": "131016",
      "other": "",
      "lat": 35.679107172,
      "lon": 139.736394597,
      "block": "1",
      "block_id": "001",
      "addr1": "3",
      "addr1_id": "003",
      "addr2": "",
      "addr2_id": ""
    }
  }
]

geojson

{
  "type": "FeatureCollection",
  "features": [
    {
      "type": "Feature",
      "geometry": {
        "type": "Point",
        "coordinates": [
          139.736394597,
          35.679107172
        ]
      },
      "properties": {
        "query": {
          "input": "東京都千代田区紀尾井町1-3"
        },
        "result": {
          "match_level": 8,
          "prefecture": "東京都",
          "city": "千代田区",
          "town": "紀尾井町",
          "town_id": "0056000",
          "lg_code": "131016",
          "other": "",
          "block": "1",
          "block_id": "001",
          "addr1": "3",
          "addr1_id": "003",
          "addr2": "",
          "addr2_id": ""
        }
      }
    }
  ]
}

Matching Levels

The level property denotes the address maching level.

| level | description | |-------|-------------| | 0 | Could not detect at all. | | 1 | Could detect only prefecture level. | | 2 | Could detect prefecture and city levels. | | 3 | Could detect prefecture, city, and a town ID. | | 7 | Could detect prefecture, city, a town ID, and street name level. | | 8 | Could detect prefecture, city, a town ID, street name, and extra information, such as suite number. |