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A Survey of Open Source GIS

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

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

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

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

  5. C Servers • Mapserver • 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 WMS

  7. PostGIS WMSClient JUMP Internet WMS / WFS LAN PostGIS WFSClient QGIS

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

  9. OpenEV

  10. QGIS

  11. Thuban

  12. GRASS

  13. OSSIM OpenSourceSoftwareImage Map

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

  15. 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 • OpenGIS Geometries and Methods • GeoTools • Data Formats, Java GIS Toolkit • WKB4J • Java Well-Known Binary Reader / Writer • GML4J • Java GML Reader / Writer

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

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

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

  24. Questions? 1 Mile 1 Inch