geo web visualization & analysis with open source

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

http://horn.wfp.org/main.html MapBox/TileMill

http://mapbox.com MapBox/TileMill

http://mapstory.org/maps/149 MapStory/Geonode

http://virtualkenya.org/maps-viewer/maps MapStory/Geonode

http://www.protectedplanet.net/ CartoDB

http://viz-carbontool.appspot.com CartoDB

http://cartodb.com/ CartoDB

http://www.oilspill.labucketbrigade.org/main Ushahidi/Crowdmap

http://ushahidi.com/ - https://crowdmap.com/ Ushahidi/Crowdmap

http://geocommons.com/ Geocommons

http://www.openstreetmap.org/ OpenStreetMap

http://hot.openstreetmap.org/ OpenStreetMap

Free and Open SourceCommon Misconceptions

● Freeware/Shareware● Unstable● Hard to use● $0● For Hobbyists● Not Commercial

So what is Open Source?

● Freedom to Innovate● A way to escape from vendor lock­in● An opportunity to be a good neighbor● Free will

● 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

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

OSGeo Live – http://live.osgeo.org

Video Booting OSGeo Live

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

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...