2015 FOSS4G Track: What is Free and Open Source Software for Geospatial Applications (FOSS4G)? Why Should You Consider It? by Rafael Moreno
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The document discusses the advantages of Free and Open Source Software for Geospatial applications (FOSS4G), emphasizing its maturity and capability in meeting diverse geospatial needs. It highlights the increasing interest and resources available for learning and utilizing FOSS4G, while also addressing common misconceptions about its use and effectiveness. The importance of FOSS4G in promoting innovation, sustainability, and accessibility in both developing and developed countries is underscored.
2015 FOSS4G Track: What is Free and Open Source Software for Geospatial Applications (FOSS4G)? Why Should You Consider It? by Rafael Moreno
- 1. Free and Open Source Software for Geospatial Applications (FOSS4G) What is it? Why should you consider it? September 2015 Rafael Moreno Department of Geography and Environmental Sciences
- 2. Several of the resources used in this presentation can be found in: • Article references at the end of these slides. • Moreno-Sanchez, R. 2012. Free and Open Source Software for Geospatial applications (FOSS4G): A mature alternative in the geospatial technologies arena. Transactions in GIS 16(2): 81-88 http://geospatial.ucdenver.edu/foss4g/home- 2
- 3. Main Messages 1.FOSS and FOSS4G are mature and capable. 2.There is a mature FOSS4G for every geospatial information need and niche. 3.Interest and resources to learn and use FOSS4G are growing exponentially. 4.Several myths and misunderstanding about FOSS/FOSS4G are not true. 5.FOSS/FOSS4G have strengths and weaknesses for specific contexts and purposes. There are opportunities for mutual benefit and complementarity with private/close solutions.
- 4. There are many dimensions to “Open” • Open source software. • Open data. • Open standards. • Open publishing. • Open education resources. • Open government. • Open innovation. ?
- 5. Free and Open Source Software (FOSS) • Free Software refers to freedom, not price. • It means that the program’s users have the freedom to run the program for any purpose, access the code to study how it works and change it, redistribute copies, and redistribute copies of modified versions of the software. • Software must offer more than just access to the source code, it must comply with 10 criteria listed in the Open Source Initiative. GNU Project (http://www.gnu.org/philosophy/free-sw.html) Open Source Initiative (http://www.opensource.org/docs/osd)
- 6. • Are not new… • Are not rare… • Have a history of 20-40 years… http://grass.osgeo.org/ Early 1980’s 1991 1995 FOSS and FOSS4G
- 7. Sourceforge: (http://sourceforge.net) Mon to Thurs Sept 14-17, 2015
- 8. FreeGIS.org (http://freegis.org) Open Source GIS (http://opensourcegis.org) contains about 350 FOSS4G projects. There is a mature FOSS4G project for every geospatial need and niche
- 11. FOSS4G projects under OSGeo umbrella Source: Shin, Sanghee OSGeo Korean Chapter
- 13. http://www.osgeo.org/ http://live.osgeo.org/en/index.html It is not a jungle… not really (where to start exploring; how to choose) Find who is doing what you want to do with FOSS4G Network; Community; “The Way of the Hacker” Forums; websites; reports; stories More and more online tutorials and books
- 15. OSGeo-ICA-ISPRS-International Labs Network www.geoforall.org http://wiki.osgeo.org/wiki/Edu_current_initiatives 102 labs around the world
- 17. Interest in FOSS/FOSS4G is growing exponentially • Increasing attention from end users, developers, businesses, governments, educators, students and researchers around the world. • FOSS/FOSS4G has been declared as crucial for the developing world. (Naronha 2002 and 2003, Rajani 2003, Schenker 2003, Wambui 2004, Holmes et al. 2005, Camara and Fonseca 2007). • Also, developed countries are increasing their use of FOSS/FOSS4G: France (Marson 2005, Kaneshige 2008) Germany (Gillespie 2000) England (Lettice 2004) Australia (Coonan 2004) Italy …among others.
- 18. http://www.whitehouse.gov/open White House Open Government Initiative National Action Plan Initiatives http://www.whitehouse.gov/sites/default/files/microsites/ostp/new_nap_co mmitments_report_092314.pdf Bottom page 2:
- 20. Concerns and Myths about FOSS/FOSS4G Wheatley (2004) provides examples that help dispel the following myths: http://www.cio.com/article/2439780/open-source-tools/open-source--the-myths-of- open-source.html • “The principal attraction is its no-cost” • “The savings are not real” • “There is no tech support” • “It is not for mission-critical applications” • “FOSS is not ready for the desktop” • “It can’t be that good if it is free” • “It is difficult to learn” • “It is only for programmer/developers” • “ There are no learning materials or books about them”.
- 21. FOSS4G Resources and Education are growing rapidly There is an increasing number of commercial support services, on-line tutorials, books, forums, user-group meetings and education resources to help FOSS/FOSS4G users to choose the right software and use it.
- 23. Self-contained package that allows you to try a wide variety of FOSS4G. http://live.osgeo.org/es/index.html
- 24. OSGeo-ICA-ISPRS-International Labs Network www.geoforall.org http://wiki.osgeo.org/wiki/Edu_current_initiatives 102 labs around the world
- 25. Commercial and consulting services http://boundlessgeo.com/solutions/opengeo- suite/
- 26. Forums User Groups (“Your Tech Support”)
- 29. FOSS4G local user groups http://www.meetup.com/geospatial-amateurs-denver/
- 30. Books
- 31. Why FOSS4G?
- 32. There are many reasons, among them: • FOSS4G is more appropriate for certain applications in certain technological, socio-cultural, economic and institutional contexts. • Fosters innovation and collaboration (distributed development; compliance with Open Specs). • Helps to develop a different way of learning, thinking, and solving IT and spatial problems. “The way of the hacker”. • Sustainable Development tenets: “Develop local capacity”. “Self-reliance” “Resilience” “Reduction of risks” “Stability” “Democracy” “Equal access” “Strengthening of social networks” “Cooperation”
- 33. There are many reasons … • Potential cost reductions. • Whole SDI can be built on FOSS/FOSS4G. • Because of growth in interest and applications, GISc&T professionals are expected to at least be acquainted with FOSS4G. • The future of GISc&T will be more diverse.
- 34. The reasons for FOSS/FOSS4G adoption vary from pragmatic to ideological, but they should be based not only on their: • technical merit, • no-cost feature, or • access to the source code.
- 35. FOSS/FOSS4G should be evaluated at par with commercial private/closed software in terms of: • Their technical features; • Reliability; • Ease of use; • Documentation; • Technical support; • Customizability and extensibility; • Costs of training; • Support and maintenance; and • Management requirements (e.g. budget, in- house development team expertise, long-term maintainability). (Wang and Wang 2001, Woods and Guliani 2005, Ven et al. 2008).
- 36. The evaluation of FOSS4G also should include the following questions (Ramsey 2005): • Is the software well documented? • Is it clear who the core development team is? • Is the software modular? • How wide is the development community? • How wide is the user community? Positive answers to these questions indicate a healthy and mature FOSS4G project which provides a greater degree of confidence in its use.
- 37. Sample of Mature FOSS4G Holmes et al. 2005, Bruce 2007, Saenz-Salinas and Montesinos- Lajara 2009, Steininger and Bocher 2009, Garbin and Fisher 2010, Tsou and Smith 2011, Steinger and Hunter 2011, OSGeo-Live DVD http://live.osgeo.org/en/index.html 1.Desktop GIS: • KOSMO (http://www.opengis.es/) • gvSIG (http://www.gvsig.com) • uDig (http://udig.refractions.net/) • Quantum GIS (QGIS) (http://www.qgis.org/) • GRASS (http://grass.osgeo.org/)
- 38. 2. Remote Sensing: • ImageJ (http://rsbweb.nih.gov/ij/ ) • OSSIM (www.ossim.org) • OpenEV (http://openev.sourceforge.net/) • ILWIS Open (http://www.ilwis.org/) • Opticks (http://opticks.org/confluence/display/opticks/Welcome+T o+Opticks)
- 39. 3. Web GIS servers and clients: SERVERS: • MapServer (http://mapserver.org/) • GeoServer (http://geoserver.org/) • MapGuide Open Source (http://mapguide.osgeo.org/) CLIENTS: • OpenLayers (http://openlayers.org/) • Mapfish (http://mapfish.org/)
- 41. 4. Spatial extensions to Database Management Systems. • PostGIS (http://postgis.refractions.net/) extension for PostgreSQL. • MySQL Spatial Functions (https://dev.mysql.com/doc/refman/5.0/en/spatial- function-reference.html)
- 42. 5. Code libraries and software frameworks • GDAL/OGR (http://www.gdal.org/) • PySAL (https://pysal.readthedocs.org/en/latest/) • NASA CODE (http://ti.arc.nasa.gov/opensource/projects/code/) 6. Spatial statistics R for spatial analysis (www.spatial.ly/r/ ; http://www.columbia.edu/~cjd11/charles_dimaggio/DIRE/reso urces/spatialEpiBook.pdf)
- 43. 7. Virtual Globes • NASA World Wind (http://worldwind.arc.nasa.gov/download.html) • ossimPlanet (http://trac.osgeo.org/ossim/wiki/OssimPlanet)
- 44. 8. Tools for visualization and analysis. • ParaView (http://www.paraview.org/)
- 45. Close/private software and companies are interested in FOSS4G Why? ESRI and Open Source http://www.esri.com/news/arcnews/spring11articles/open-source- technology-and-esri.html Can Open Source save HP? http://www.infoworld.com/article/2617869/open-source- software/can-open-source-save-hp-.html GIS Industry Trends and Outlook 2012 http://www.gislounge.com/gis-industry-trends/ : “Growth areas for the GIS Industry in 2012 are: Open source GIS will continue to grow and start to take its place among the commercial options as preferred desktop, mobile, and online mapping software”
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