These maps would not be possible without the following resources.

Artwork

• Paifang icons created by Good Ware – Flaticon for man_made=paifang
• Locker icons created by Nikita Golubev – Flaticon for amenity=parcel_locker
• Event icons created by Freepik – Flaticon for amenity=events_venue
• Mapbox maki-icons
• Paid icons are not listed.

Fonts

• Source Sans Pro
• Source Han Sans(思源黑體)
• Noto Sans
• FSung(全宋體)

Open Source Software

• Servers: Debian, Ubuntu, CentOS
• Web server: nginx
• Database: PostgreSQL and PostGIS
• Map rendering: mapnik, mod_tile, apache2, tirex
• Carto Map style: openstreetmap-carto (derivation)
• Topo Map style: OpenTopoMap (inspiration)
• Data processing: gdal osm2pgsql
• Image processing: sharp
• Prototype and debug: QGIS, kosmtik, maputnik
• Vector map: OpenMapTiles

Map Data

• Map data: © OpenStreetMap contributors
• DEM data: SRTM, NASADEM, 3D Elevation Program, Hong Kong LiDAR Open Data
• Land cover data: ESA Worldcover
• LiDAR DTM data: SONNY’s LiDAR DIGITAL TERRAIN MODELS (DTM) OF EUROPEAN COUNTRIES
• Bathymetry data: GEBCO bathymetry data