OpenStreetMap in South Tyrol Provides Free Map Data and Encourages Community Contributions
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This document provides information about OpenStreetMap (OSM) in South Tyrol, Italy. It discusses what OSM is, how it works, and key statistics about contributors in the region. The largest contributor, Alexander Roalter, has made over 495,000 edits. A power law distribution is observed, with a small group contributing the majority of data. Common tags used in South Tyrol are identified. Differences between OSM and the government's geodata are shown. Next steps proposed include collaborating with major contributors and companies, improving monitoring tools, and addressing changes to OSM's license.
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OpenStreetMap in South Tyrol Provides Free Map Data and Encourages Community Contributions
- 1. OpenStreetMap in South Tyrol Maurizio Napolitano <napo@fbk.eu>
- 2. What's OpenStreetMap? OpenStreetMap is a free worldwide map, created by people like you. ~
- 3. How
- 4. geometric primitives node way relation
- 5. tags key = value http://wiki.openstreetmap.org/wiki/Map_Features
- 7. Who lmaa_du_osm-korinthenkacker Peter-Hierholzer tito Fabry puetti pietro scratera gomatteo flott korinthenfresser klabauter05 musekusz werthtobi Balgofil gscholz sonnenkind Findeschorse007 snaut mikel17 Flaminius tyr_asd josil alegria6208 pikappa79 Alexander Roalter 0 100000 200000 300000 400000 500000 600000
- 8. Who (numbers) user contributs 1. Alexander Roalter 495.361 2. pikappa79 79.438 3. alegria6208 77.692 4. josil 69.114 5. tyr_asd 57.714 6. Flaminius 33.892 7. mikel17 33.391 8. snaut 30.143 9. Findeschorse007 26.097 10. sonnenkind 23.354 11. gscholz 18.853 12. Balgofil 17.280
- 9. Power law distribution numero di contributori in openstreetmap e numero di nodi inseriti la linea rossa indica la media di utenti 300 250 200 numero utenti 150 100 50 0 1 23 50 100 201 300 502 1003 2021 5001 9985 23354 57714 79438 495361 numero nodi a small group is able to cover 90% of the territory
- 10. Where are those people? Example: Your OSM Heat Map http://yosmhm.neis-one.org/?Alexander%20Roalter
- 11. Activities of an user (1/2) How did you contribute to OpenStreetMap ? http://hdyc.neis-one.org/?Alexander%20Roalter
- 12. Activities of an user (2/2) http://hdyc.neis-one.org/?Alexander%20Roalter
- 13. Areas with increased activity Red: high Number of nodes for each hexagon Blu: low
- 14. Frequency updates Blu: recent Red: old Days of update (nodes)
- 15. Tags in SouthTyrol landuse=residential maxspeed=* landuse=orchard surface=asphalt natural=scrub landuse=meadow sac_scale=hiking bridge=yes addr:postcode=* place=* highway=footway ele=* power=tower highway=unclassified source=* highway=service highway=residential highway=track building=yes 0 5000 10000 15000 20000 25000 30000 35000 40000 45000 50000
- 16. Tag monitor tools TagWatch http://tagwatch.stoecker.eu/Italy/En/tags.html TagInfo http://taginfo.openstreetmap.org/ Source code: https://github.com/joto/taginfo/
- 17. The tag “source” in SouthTyrol 1200 1000 800 600 400 200 0 Prov Autonoma Bz Bing Tabacco Editrice GPS ISTAT 2011 Open Aerial Map Survey PCN06
- 19. Network classification Codice Tipologia Segmenti Totale km 5 Strada comunale 5.879 32.296 7 Strada consorziale 486 3.113 8 Ciclabile 318 3.158 9 Strada privata 3.106 5.004 10 Ferrovia 509 4.141 12 Funivie SAD 7 204 20 Autostrada 141 3.414 25 rotonda 57 72
- 20. Network classification (2/2) 27 rampa 80 247 30 Strada Statale 1.724 11.854 41 Strada comunale in manut. Provinciale 202 7.760 45 Strada provinciale 1.338 18.626 60 Strada poderale per autocarri 6.203 51.204 61 Strada forestale/alpestre per autocarri 3.442 73.171 65 Strada poderale per trattori 824 4.653 66 Strada forestale/alpestre per trattori 8.850 73.513 80 Sentieri 7 72 81 Sentieri gestiti da AVS/CAI/rip. Turismo 7.349 32.385
- 21. The OpenStreetMap Point of View tag Descrizione highway=motorway Autostrada highway=trunk Tangenziale highway=primary Strade statali e strade regionali highway=secondary Strade provinciali highway=tertiary Strade urbane di scorrimento principale. highway=unclassified Livello base della rete stradale. Source: http://wiki.openstreetmap.org/wiki/IT:Italian_Roads_Tagging
- 22. Other cases rotonda junction=roundabout svincolo highway=*_link rampa highway=*_link Ciclabile highway=cicleway cycleway=* (togheter with the tag highway) Ferrovia railway=rail Funivia aerialway=cable_car operator=*
- 23. But for roads Strada comunale highway=* roads=* Strada consorziale highway=unclassified highway=service highway=residential highway=private Strada privata highway=unclassified highway=service highway=residential highway=private Strada Statale highway=primary highway=trunk (= MeBo) Strada provinciale highway=* (no motorway) Strada poderale per autocarri highway=primary highway=secondary highway=tertiary Strada forestale/alpestre per autocarri highway=* access=? Strada poderale per trattori highway=* access=? Strada forestale/alpestre per trattori highway=* access=?
- 24. … and paths Sentieri highway=path highway=footway highwa=track Sentieri gestiti da AVS/CAI/rip. highway=path Turismo highway=footway highwa=track Strada asfaltata senza highway=* specifica del proprietario surface=asphalt Mulattiera highway=path highway=footway highwa=track
- 25. Differences Green: OSM Red: PAB cableway San Genesio Background pictures from Google Maps
- 26. Differences – A22 (BZ)
- 27. Differences – A22 (overlay) Red: PAB Green: OSM Source satellite: Google Maps
- 28. Next Steps Community StammTisch with the best contributors and PA REMEBER: OSM CHANGED LICENSE!!! Companies Workshop “OpenStreetMap for Business” Improve tools to monitor activities TagInfo (ex SouthTirol) - http://taginfo.hanskalabs.net/ OWL - OpenStreetMap Watch List – http://matt.dev.openstreetmap.org/owl_viewer/ OSM Filter - http://positron96.appspot.com/osmfilter.html NOTE: the data are analyzed in July 2012
- 29. OpenDataDay 2013