Google Maps and Mashups

• HousingMaps.com – Craigslist rental/housing listings
• http://www.housingmaps.com
• ChicagoCrime.org – Public crime log mapped, excellent interface
• http://www.chicagocrime.org
• NYC Subway stations – User-created tileset
• http://www.onnyturf.com/subway

Geodata examples

• http://earthquakes.tafoni.net/
• Historical hurricane data
• http://stormadvisory.org/map/atlantic
• Hurricane Katrina map – public information source
• http://www.scipionus.com/

Multiple data sources

• http://www.weatherbonk.com/weather/index.jsp
•  Google Earth/satellite - http://www.flashearth.com

Mechanisms

• Tile-based image server
• XML formatted data
• SQL database
• AJAX – Asynchronous Javascript and XML
• SOAP – Simple Object Access Protocol
• API – application program interface
• Example of XML/AJAX at http://64.202.170.231/rucrime/#

Other online mapping platforms

• Yahoo Maps – Flash API – first to offer bulk geocoding
• ESRI – ArcWeb
• Microsoft Local Live – free online maps
• Virtual Earth – SDK for apps
• MapPoint – SOAP API
• Map24 - http://www.uk.map24.com/

Open source

• MapServer – U of Minnesota - http://mapserver.gis.umn.edu/
• MS4W – MapServer for Windows
• FWTools
• OpenLayers - http://www.openlayers.org/

Further information