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Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
Alex Mandel. University of California, Davis. May 2012Information Center for the Environment http://ice.ucdavis.edu
Geographic Visualization & Analysison
the Webusing
Free and Open Source Software
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http://horn.wfp.org/main.html MapBox/TileMill
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http://mapbox.com MapBox/TileMill
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http://mapstory.org/maps/149 MapStory/Geonode
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http://virtualkenya.org/maps-viewer/maps MapStory/Geonode
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http://www.protectedplanet.net/ CartoDB
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http://viz-carbontool.appspot.com CartoDB
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http://cartodb.com/ CartoDB
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http://www.oilspill.labucketbrigade.org/main Ushahidi/Crowdmap
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http://ushahidi.com/ - https://crowdmap.com/ Ushahidi/Crowdmap
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http://geocommons.com/ Geocommons
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http://www.openstreetmap.org/ OpenStreetMap
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http://hot.openstreetmap.org/ OpenStreetMap
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Free and Open SourceCommon Misconceptions
● Freeware/Shareware● Unstable● Hard to use● $0● For Hobbyists● Not Commercial
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So what is Open Source?
● Freedom to Innovate● A way to escape from vendor lockin● An opportunity to be a good neighbor● Free will
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● Firefox
● LibreOffice/OpenOffice
● Thunderbird
● Filezilla
● Inkscape
● GIMP
● Audacity
● Python
● R
● Android
● Linux
Who uses open source?
● Google● Amazon● Facebook● IBM● Hulu● Apple
● 499 of the top 500 supercomputers run Linux/Unix/BSD – Nov 2011
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Is it one or many?Sample Comparison of Proprietary options vs Open Source
ArcMap QGIS, OpenJump, Udig, GvSIG
Geoprocessing Ftools Plugin, GRASS, SAGA, SEXTANTE
Spatial Analyst GRASS, SAGA
3D Analyst GRASS, OSSIM
Geodatabase Spatialite
ArcSDE PostGIS
ArcGIS Server QGIS Server, Geoserver, Mapserver, Deegree, 52N
Flex,JS or Java API OpenLayers, Geomoose, Modest Maps
GPS Analyst Time Manager Plugin, EVIS Plugin
Imagery Analyst (ERDAS) Orfeo, Opticks, ILWIS
Geoportal1, Metadata Catalog Geonetwork, Geonode
Geostatisticl Analyst R
.Net, Python scripting Python, Java, Php, C, C++, .Net, JS
1. ESRI Geoportal was released under an open source license.2. Many add-ons (aka plugins, or libraries) in R address spatial statistics
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OSGeo Live – http://live.osgeo.org
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Links you should have
● http://www.osgeo.org Community● http://www.openstreetmap.org/ Wiki Map of World● http://publiclaboratory.org DIY Remote Sensing
● Map Knitter, online georegistration http://mapknitter.org/
● http://qgiscloud.com/ Push maps to web● http://qgis.org Desktop GIS● http://slashgeo.org News● http://gis.stackexchange.com/ Forums● http://naturalearthdata.com Free data for pretty maps
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Interesting “Companies”
● Development Seed ( http://developmentseed.org/ )● FortiusOne ( www.geocommons.com )● OpenGeo ( www.opengeo.org aka Open Planning Project)● Stamen Designs ( http://stamen.com/ )● Refractions Research ( http://www.refractions.net/ )● Cloudmade ( http://cloudmade.com/ )● Geofabrik ( http://www.geofabrik.de/ )● Sourcepole ( http://www.sourcepole.com )● etc...