1. A Survey of Open Source GIS
“The View from 30,000 Feet” or “A Mile Wide and an Inch Deep”
Paul Ramsey Refractions Research

2. Two Tribes C Tribe Java Tribe UMN Mapserver GRASS OpenEV QGIS OGR/GDAL
PROJ4
GEOS
PostGIS
Java Tribe
GeoTools
GeoServer
DeeGree
OpenMap
JUMP
uDig
OpenGIS WMS/WFS
JDBC

3. C Tribe OGR/GDAL Mapserver GRASS PostGIS OpenEV OSSIM Proj4 GEOS QGIS
Thuban
GMT

4. C Libraries GDAL OGR PROJ4 GEOS Raster Format Reader / Writer
Vector Format Reader / Writer
PROJ4
Coordinate Reprojection
GEOS
Geometry Objects and Functions

5. C Servers Mapserver PostGIS OpenGIS Web Map Server
OpenGIS Web Feature Server
OGR / GDAL / PROJ4
PostGIS / ArcSDE / OracleSpatial
PostGIS
OpenGIS Simple Features for SQL
PROJ4 / GEOS

6. Mapserver TIFF PostGIS ArcSDE Oracle WMS Mapserver WFS Shape MapInfo

7. PostGIS
WMS Client
JUMP
Internet
WMS / WFS
LAN
PostGIS
WFS Client
QGIS

8. C Applications
OpenEV
QGIS
Thuban
GRASS
OSSIM
GMT
Viewers
Processors

9. OpenEV

10. QGIS

11. Thuban

12. GRASS

13. OSSIM
Open Source Software Image Map

14. GMT Generic Mapping Tools UNIX Philosophy
Many small tools, chained together
Gridding, Contouring, Plotting
Surface Models

15. JUMP Unified Mapping Platform
Java Tribe
JCS Conflation Suite
OpenMap
uDig / JUMP2
GeoServer
JUMP Unified Mapping Platform
GeoTools
WKB4J
DeeGree
GML4J
JTS Topology Suite

16. Java Libraries JTS Topology Suite GeoTools WKB4J GML4J
OpenGIS Geometries and Methods
GeoTools
Data Formats, Java GIS Toolkit
WKB4J
Java Well-Known Binary Reader / Writer
GML4J
Java GML Reader / Writer

17. Java Applications OpenMap DeeGree JUMP / JCS GeoServer uDig Standalone
JTS Based

18. OpenMap Oldest Complete Java Toolkit Telephone Company Project (BBN)
Design Application (not Data) Focused

19. DeeGree Academic Roots Message Passing API OpenGIS Standards
Bonn University
Message Passing API
OpenGIS Standards
Server Focused (WMS, WFS, SLD)

20. JUMP / JCS Specialized Original Vision (Conflation)
General Purpose Tool
Editing, Processing, Transforming

21. GeoServer OpenGIS WFS-T Web Feature Server - Transactional
OpenGIS WMS (Beta)
Database Datasources + Shape

22. uDig User-friendly Desktop Internet GIS WFS, WMS, WRS
PostGIS, ArcSDE, OracleSpatial
Printing, Reprojection
Shape, GeoTIFF
GeoInnovations
Schedule

23. Summary Strengths Server Side Heterogeneous Environments Performance
Standards Support
Complex or Custom Applications
Weaknesses
Interactive Desktop
Paper Production
Lowest Common Denominator
“Standard” Applications

24. 1 Mile
1 Inch
Questions?