An Introduction to OpenStreetMap (UQ GIS Students)
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Transcript of An Introduction to OpenStreetMap (UQ GIS Students)
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An introduction to OpenStreetMap
presented by David Deanhttp://www.dbdean.com
Slides will be available at http://www.slideshare.net/dbdean
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2An introduction to OpenStreetMap
What is OpenStreetMap?
• Geographic data– For driving, riding,
walking, boating, skiing, hiking, anything
• Free– Currently CC-BY-SA,
moving to ODBL
• Wiki-like editing
http://www.osm.org
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3An introduction to OpenStreetMap
Why not just use Google Maps?
or WhereIs/Yahoo/Bing Maps?
or whatever is on your GPS/Phone?
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4An introduction to OpenStreetMap
Updated rapidly
OpenStreetMapGoogle
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5An introduction to OpenStreetMap
But, coverage can be poor
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6An introduction to OpenStreetMap
Not just for cars
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7An introduction to OpenStreetMap
Data freely available (and editable)
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8An introduction to OpenStreetMap
Raw traces are available too
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9An introduction to OpenStreetMap
Free data means you can do more neat stuff
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10An introduction to OpenStreetMap
Free data means you can do more neat stuff
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11An introduction to OpenStreetMap
Free data means you can do more neat stuff
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12An introduction to OpenStreetMap
Free data means you can do more neat stuff
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13An introduction to OpenStreetMap
Lots of Mappers
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14An introduction to OpenStreetMap
Worldwide activity
OSM 2008: A Year of Edits(from http://vimeo.com/2598878)
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15An introduction to OpenStreetMap
Available on many devices
OffMaps on IPhoneOffMaps on IPhone
Garmin GPSsGarmin GPSs
Garmin PNDsGarmin PNDs
AndNav2 on AndroidAndNav2 on AndroidGPSMid on J2MEGPSMid on J2ME
Gosmore on Windows MobileGosmore on Windows Mobile
MaemoMapper on Nokia MaemoMaemoMapper on Nokia Maemo
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16An introduction to OpenStreetMap
Humanitarian OpenStreetMap Team
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17An introduction to OpenStreetMap
OpenStreetMap Gaza Project Jan 2009: Mikel Maron announces OpenStreetMap Gaza Project
Feb 2009: Mapping begins with purchased aerial imagery (~ $6000)
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18An introduction to OpenStreetMap
Gaza Strip today
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19An introduction to OpenStreetMap
MAP Kibera (April 2009)
• First complete, free and open map of Kibera, Nairobi.
• Mapped primarily with local volunteers with the assistance of MAP Kibera.
http://mapkibera.org
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20An introduction to OpenStreetMap
Kibera today
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21An introduction to OpenStreetMap
Haiti earthquake, Jan 2010
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22An introduction to OpenStreetMap
Haiti earthquake, Jan 2010
High-res imagery donated this time. (many providers)
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23An introduction to OpenStreetMap
Haiti earthquake, Jan 2010
High-res imagery donated this time. (many providers)
Haiti Progress Video(from http://vimeo.com/9182869)
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24An introduction to OpenStreetMap
World Bank Situation RoomWorld Bank Situation Room
"Hello guys, I just wanted to let you know that your work on improving the Haiti maps is really appreciated here. A few days ago I installed a version on my Garmin Oregon GPS and the result is impressive. It has already saved me and my driver from getting lost twice, and the alternative would have been long delays. In the coming days I will try to update our Red Cross relief GPS receivers with your map.” - Kjeld Jensen, Red Cross (IFRC)
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25An introduction to OpenStreetMap
So, how can you help map?
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26An introduction to OpenStreetMap
(Option 1) Trace aerial imagery
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27An introduction to OpenStreetMap
(Option 2) Go outside
Take notes, →
record your trip (optional),
and update the map from your notes at home
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28An introduction to OpenStreetMap
(Option 3) Tell someone about a problem
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29An introduction to OpenStreetMap
(Option 4) Be social
• Brisbane mapping events occur monthly
– Alternate between mapping parties and meetups
• Next event: OSM Mapping Meetup
– 7pm Monday 16th August at Grange Library
– See http://bit.ly/bnemap for more details
• What is a mapping party?
– A group of people get together to map a large area in a single day
– Example: Macleay Island in November 2009
(see http://youtu.be/oxV-nescElE)
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30An introduction to OpenStreetMap
MapMyTown @ Bell, Qld
• 30-31st October 2010• SSSi Young Professionals• http://bit.ly/mapmytown
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31An introduction to OpenStreetMap
Questions?
Thanks for listening.
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32An introduction to OpenStreetMap
Data representation
• Geographic information is represented as– Nodes
– Ways• Ordered collections of nodes
• Closed ways can be areas
– Relations• Ordered collections of ways
and nodes
• All can be tagged with any key/value pairs
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33An introduction to OpenStreetMap
No formal key/value ontology
• Let freedom flourish!• Common tagging is
encouraged– Map Features wiki– Editor presets– Renderers– OSMDoc– Tagwatch