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Taichung City Street Tile

A total solution tile generator using Docker Compose, for detecting streets then generating tile from Taichung City address data.

Database:

  • PostgreSQL 10
  • PostGIS 2.4
  • Python 2.7

Tile server:

  • CartoCSS (thus Node.js)
  • Mapnik
  • MapProxy
  • uWSGI

Installation

Download and unzip address CSV file from http://gishub.taichung.gov.tw/, then copy TGOS_66.CSV into the db/data folder, renaming to data.csv.

Run docker-compose up to build Docker images and lanuch both the database and tile container.

Now, open another terminal, run the following command to import addresses:

docker-compose run db python /process.py

It may take several minutes, so be patient :)

Now a WMTS server will be ready at port 8787. You can append an entry in JOSM like the following to get started:

wmts:http://127.0.0.1:8787/wmts/1.0.0/WMTSCapabilities.xml

Tips

Dump the data with:

docker-compose run db bash
pg_dump --data-only -h db -U tile_db tile_db > /data/dump.sql
exit

Generate the SHP:

docker-compose run db bash
pgsql2shp -f /data/group.shp -h db -u tile_db tile_db "SELECT street, ST_Buffer(polygon, 0.0001) FROM taichung_streets_group;"
exit

License

Code under MIT