OpenStreetMap OpenStreetMap A free/libre map for our world A free/libre map for our world Simone Cortesi Simone Cortesi
Jan 27, 2015
OpenStreetMapOpenStreetMapA free/libre map for our worldA free/libre map for our world
Simone CortesiSimone Cortesi
We make maps...
We collect geographical data...
...in a collaborative way
(wiki style)
Wiki style?
As small as possible edits, the smaller, the better: ideally one single point
Creative Commons
CC-BY-SA
Attribution-Share Alike
CC-BY-SA
CityMaps
Copenhagen
Amsterdam
Madrid
New York City
Sydney
Pretoria
Kinshasa
San Francisco
Toronto
Lisbon
Why OSM?
•Geodata isn’t
•Free
•Open
•Current
What is this OpenStreetMap all about?
•It is a project whose goal is to build a free map of the entire World in a collaborative way.
•It is a never-attempted-before-experiment, the closest one being Wikipedia
•A crazy enough idea...
OpenStreetMap history• 9th August, 2004 - openstreetmap.org registered
• 5th-7th May, 2006 – Isle Of Wight workshop, the first concentrated effort to map an area
• 4th December 2006 - Yahoo! aerial imagery retracing allowed
• September 2007 - TIGER data import for the US started
• 18th November, 2007 - 150 million GPS points and 100 million nodes
• 8th January 2008 - 20 million ways
• 13th January 2008 - 200 million nodes
• 5th January 2010 - 200,000 registered users
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OpenStreetMap250.000 users15.000 active / month20.000 KM GPX/day1.4 Billion GPS points150GB of data rawabout 2TB if in SHP format
Different visualizations
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Renderingopenpistemap.org
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Renderingopencyclemap.org
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Orienteering - Renderingoobrien.com/oom/
Evolution images
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MilanoMilano
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Milan – July 2007
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Milano – November 2008
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Milano – April 2010
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Milano – construction works
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Poli
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Poli
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GermanyGermany
Germany 2006Germany 2006
Germany 2007Germany 2007
Germany 2008Germany 2008
Hamburg, Germany 2010Hamburg, Germany 2010
Commercial needs?
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Baghdad
Berlin
Making OSM
•Fun
•Takes 5 minutes
•Easy
(Yochai Benkler)
Commons-based Peer Production:
Coase’s Penguin
Coase’s Penguin
•Non-monetary motivation
•Discrete multi-size pieces
•Low-cost integration
(Yochai Benkler)
Commons-based Peer Production:
CC CC :Flickr:pmtorrone:Flickr:pmtorrone
CC CC :Flickr:dharmasphere:Flickr:dharmasphere
CC CC :Flickr:williamhook:Flickr:williamhook
RenderObserve UploadMap
Outputs
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Garmin
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Garmin
Data Model
Data Model
Data Model
Data Model
Special Projects
Gaza
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Gaza, West Bank
Haiti
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Haiti
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Haiti
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Haiti
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Haiti
Kibera
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Kibera – Nairobi, Kenya
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Kibera - Google
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Kibera - OSM
Walking Papers
WalkingPapers
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Share
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Maps: CC-BY-SA OpenStreetMap and contributors.
Foto: 2396454381@flickr, 3509827185@flickr
Grazie!