OPEN SOURCE FOR GIS
APPLICATIONS
James Fee
WeoGeo.com
Thursday, April 19, 12
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ME
18 Years as a GIS
Professional
Worked in Government,
Private Sector and Internet
Startups
Degree in Geography (pen
and paper)
Focused on data sharing
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OPEN SOURCE?
Free Open Source GIS Packages
Set of developer libraries for building geospatial-
aware applications
A community of developers, documentation,
translators and users
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FREE SOFTWARE
Two meanings of FREE:
Liberty
No Cost
Liberty: freedom to view and augment codebase
and redistribute the changes.
No Cost: while you can charge for Free Software, it
is unusual.
Open Source GIS is free in both senses of the
word.
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THE DEVELOPER
COMMUNITY
19 Projects
15,793,310 Lines of code
743 Contributors
269 in the last 12 months
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THE BEGINNING
GRASS GIS - U.S. Army (1982)
PROJ.4 - Cartographic Projections Library (1983)
PostGIS (2001)
OpenLayers (2006)
QGIS (2002)
GDAL/OGR (1998)
UMN MapServer (1995)
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ORGANIZATIONS
Open GRASS Foundation (OGF) in 1992
OGF became Open Geospatial Consortium (OGC)
in 1994
OGC is responsible for most Geospatial Standards
OSGeo founded in 2006
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COMMUNITY
Developers, contributors, documentation, translators,
bug reporters and users.
Estimated millions use FOSS GIS applications daily
You don’t have to be a programmer to be involved.
Free resources are available.
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STANDARDS
Open Source Software and Open Standards
OGC
WMS, WFS, GML, KML, WCS, WPS, SLD, CSW
Proprietary and Open Source Projects are involved
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PROPRIETARY PARRALLELS
Proprietary FOSS
Oracle or Microsoft SQL Server PostgreSQL
Oracle Spatial or Esri ArcSDE* PostGIS
ArcGIS for Server MapServer or GeoServer
ArcGIS for Desktop
ArcView
MapInfo
QGIS
GRASS
gvSIG
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POSTGRESQL AND POSTGIS
PostgreSQL PostGIS
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POSTGIS
PostGIS 2.0 just released
Shapefile Import/Export
ArcGIS, FOSS4GIS, MapInfo,
AutoCAD, Bentley
http://postgis.org
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POSTGIS
“What parcels are
within 1km of this
fire?”
SELECT owner_phone
FROM parcels
WHERE ST_DWithin(
geom,
‘POINT()’,
1000 );
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POSTGIS
Table Date Geometry
vg2500_bld 20080512 polygon()
vg2500_krs 20100924 point()
vg2500_rbz 20110305 polygon()
vg2500_sta 20010112 point()
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MAPSERVER AND GEOSERVER
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MAPSERVER
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GEOSERVER
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QGIS AND GVSIG
QGIS gvSIG
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QGIS
http://www.qgis.org
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GVSIG
http://www.gvsig.org
or
http://oadigital.net/
software/gvsigoade
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WEB MAPPING
OpenLayers Leaflet.js
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SUPPORT FOR FOSS4G
FOSSGIS is community based
OSGeo mailing lists
Workshops
IRC Channel
Events (FOSS4G 2011, FOSS4G-NA)
Commercial Support
Training Worldwide
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OPEN DATA
OpenStreetMap
Natural Earth
TIGER
WeoGeo (thousands of datasets)
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OPENSTREETMAP
http://osm.org
Used by thousands of websites and organizations
Free to use
Licensed OpenDB
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NATURAL EARTH
http://www.naturalearthdata.com
Three scales for cartography
Updated frequently
Public domain
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TIGER
http://www.census.gov/geo/www/tiger/
U.S. Census Bureau
U.S. State and Territory Data
Updated yearly
Public Domain
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WEOGEO.COM
http://market.weogeo.com
Thousands of free datasets
Worldwide in scope
Updated regularly
Transformation engine
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SHARING DATA
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STACKEXCHANGE
http://gis.stackexchange.com
Open Source and Proprietary community based
support.
Thousands of users answering questions
Free
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DEMO TIME!
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CONCLUSION
FOSS GIS and Proprietary GIS are interchangeable
Economically feasible
Spend money on people, not software
Collaborative learning
Fun
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RESOURCES
OSGeo Getting Started
- http://bit.ly/HLxS9z
GRASS Book - http://
grassbook.org
SEXTANTE - http://
sextantegis.com
52°North - http://
52north.org
PostGIS in Action
(Book) - http://postgis.us
The Geospatial Desktop
(Book) - http://
geospatialdesktop.com
OpenGeo - http://
opengeo.org
OSGeo4W (Easy install
on Windows) - http://
bit.ly/ukeP3
FOSS4G NA - http://
foss4g-na.org
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CONTACT
James Fee
Chief Evangelist @ WeoGeo
[email protected]
http://spatiallyadjusted.com
Twitter: @cageyjames
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