21. Installation - Debian sudo apt-get install postgresql-8.3-postgis or from source svn co http://svn.refractions.net/postgis/trunk/ postgis/ cd postgis ./autogen.sh ./configure make sudo make install
91. select ST_asGeoJSON(the_geom) from road where gid = 1; {"type":"LineString","coordinates":[[111.846282958984375,0.000000000000000],[111.844451904296875,-0.001913541462272]]}
202. Infoterra, a leading European satellite and aerial imagery provider, runs their data provision and sales systems on PostGIS, and stores the complete Ordnance Survey database on PostGIS.
205. With billion dollar satellites and PostGIS, the EU Joint Research Centre monitors fishing vessels in the North Atlantic and provides real-time reporting and mapping to decision makers and regulators.
209. MADEIRA GPS, a company that started in 2005, with a simple project in mind: Deliver PDA-based navigation, with auto-routing, for Madeira Island's tourism.