Table of Contents
The Art of Web Cartography
Free Data, Free Software, Open Standards
Brian Pitts
Barcamp Atlanta
Oct 14, 2007
What we'll do
- Find and work with geographic data.
- Expose data through Mapserver.
- Interact with data through Openlayers.
What we won't do
- Store geographic data in a database (Postgis).
- Use WFS-T to let clients modify data (Geoserver).
- Save the state of maps (WMC and OWSC standards).
- Cache raster map tiles (Tilecache).
Finding Geodata
- Your tax dollars at work
Understanding it
- Most common format is ESRI's shapefile
- GDAL tools
- Quantum GIS
Exposing It 1
- Open Geospatial Consortium
- Web Map Service
- Web Feature Service
Exposing It 2
- UMN Mapserver
- CGI Program written in C
- Configuration in mapfile
Interacting with It
- OpenLayers
- Javascript client with friendly API
Further Reading
- sample configurations +
- more links +
- examples
- coming soon
Discussion