What we'll do
What we won't do
Finding Geodata
Understanding it
Exposing It 1
Exposing It 2
Interacting with It
Further Reading
Discussion

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
http://ergodd.zoo.ox.ac.uk/eden/index.php?p=57
http://biogeo.berkeley.edu/bgm/gdata.php
http://www.diva-gis.org/Data.htm

Understanding it

Most common format is ESRI's shapefile
GDAL tools
Quantum GIS

Exposing It 1

Open Geospatial Consortium
http://www.opengeospatial.org/
Web Map Service
Web Feature Service

Exposing It 2

UMN Mapserver
http://mapserver.gis.umn.edu/
CGI Program written in C
Configuration in mapfile

Interacting with It

OpenLayers
http://openlayers.org/
Javascript client with friendly API

Further Reading

sample configurations +
more links +
examples
coming soon