OpenStreetMap (OSM)

Reason for this topic: Maps Einträge für Hannover

• https://www.openstreetmap.org/ & https://wiki.openstreetmap.org/wiki/Main_Page
• Founded in mid-2004 (until 2006 development of the technical basis)
• Currently over 5.1 million mappers

Data format

• Points (nodes)
• Lines (ways)
• Relations (combination of nodes and ways)
• Annotations (tags on nodes, ways or relations)
  • https://wiki.openstreetmap.org/wiki/Tag:highway%3Dcycleway

Editors

• JOSM

Maps

• The data is used to render different maps
• https://map.openseamap.org/
• http://maps.stamen.com/watercolor

Download

• https://planet.openstreetmap.org/
• ca 100GB compressed (ca 800GB uncompressed)
• Osm2pgsql

License

• https://www.openstreetmap.org/copyright
• Open Data Commons Open Database Lizenz (ODbL)
• Source information in a clearly visible place
• Modified data musst stay open