Die partizipative Zeitmaschine
Früher gab es kein GPS. Daher brauchen wir Sie, um die genaue geografische Position von historischen Bilder wiederzufinden.
PostGIS adds support for geographic objects to the PostgreSQL object-relational database. In effect, PostGIS "spatially enables" the PostgreSQL server, allowing it to be used as a backend spatial database for geographic information systems (GIS).