3. Why should you care?
• Location based services
• Geo-SEO
• Beyond the pin map
4. Key concepts
• A point
• A shape or boundary
• SRID - Spatial reference system
identifier
5. Open Geostack
• Web map: openlayers & gmaps
• Tile server: ArcGIS or Tilecache
• Cartographic map renderer:
GeoServer or mapnik
• Spatial Database: PostGIS/PostgreSQL
6. Geodjango
• In django.contrib.gis
• Works with spatial databases out of
the box
• Provides ORM fields for points, shapes
& queryset filters for dealing with
spatial queries.
7. Working with existing
spatial data
• Live demo (part1)
• http://github.com/dhilton/uk_parl/
8. Geodjango for SEO
• Geographical keywords: Placenames,
POI’s & regions
• <object> near / in / by / close <place>
• WOEID - Where on earth identifier
• (Live demo 2 - pub reviews)
9. What’s coming?
• Geolocation social-nets: 4sq Vs
Gowalla Vs F8 Vs Google lattitude
• Geosearch - results enhanced by your
current location
• HTML5 - exposing your location via
the DOM