OpenStreetMap is a collaborative project to create a free editable map of the world. It uses crowdsourced data that anyone can collect or edit. Contributors map locations and attributes using nodes, ways, and relations. The data is licensed under the open database license and can be used for any purpose including humanitarian and commercial applications. The presentation encourages participants to get involved by editing locations in their area or using OpenStreetMap data in their work.

1. CC-BY-SA 4.0
OpenStreetMap in Ghana
Enock Seth Nyamador
GIS Enthusiast and Open Data advocate
Twitter : @Enock4seth

2. What is a mapping to you ?

4. OpenStreetMap

5. Wikipedia of Maps

7. OPEN DATA
Open Licensed
Map the world from scratch!
(no copying)

8. Open Database License (ODbL)

9. ●
Open Database License (OdbL)
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Free as in FREEDOM
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Free to edit
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Collaborative

10. How ?
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Local knowledge
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Tracing aerial imagery (Bing, MapBox, etc)
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Imports
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GPS traces
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Someone puts it there, and others look at it and
confirm that it is correct

11. Tags
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Using key = value pair to define map features
● amenity = fuel
● building = yes
● highway = residential
● Landuse = farm
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http://wiki.openstreetmap.org/wiki/Map_Features

13. Elements
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Node
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Ways
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Relation

14. Node
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Latitude and Longitude
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Node ID
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ATM, Post Office, Bar, Pub etc.

15. Ways
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Linear
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Closed
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Area
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Used for ; roads, buildings, etc

16. Relation
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Used to model logical or geographic relations
between objects
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To define routes, administration boundaries

17. Participate
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Online
– OpenStreetMap Editors ; iD, Potlatch, JOSM
– IOS – Go Maps, OSMTracker, OpenMaps
– Android – OSMTracker, OSMDroid
– GPS device
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Offline
– fieldpapers.org

18. Editing OpenStreetMap
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ID
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Potlatch
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JOSM

22. What can I map?
Anything that physically exists and is permanent

23. Recording data
Names of streets
Types of streets (trunk, residential, motorway)
One-way restrictions
Footpaths, tracks, pedestrian, rivers, railways
Parks, woodland, industrial areas, cemeteries
POI (pubs, cash machines, post offices,
post boxes, bus stops, toilets, supermarkets, restaurants, monuments,
hotels, picnic sites, barriers, light houses, piers, sports centres, petrol stations,
playgrounds, cinemas, car parks, universities, tourist information, etc etc etc

24. Who uses OpenStreetMap data?

25. Using OpenStreetMap
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MAPS.ME
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OSMAnd

26. How can I use this data ?
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Data is stored as XML (open)
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Convertible to: postGIS, SHP, geoJSON & more

27. OpenStreetMap Ghana
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Small community of OSMers
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To create Free detailed and up to date maps
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Join us :
– talk-gh@openstreetmap.org
– twitter.com/osmghana
– facebook.com/openstreetmapghana

29. OpenStreetMap Use Cases
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Humanitarian OpenStreetMap Team (HOT)
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2010 Haiti Earthquake
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2014 Ebola virus epidemic in West Africa
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2015 Nepal earthquake
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Ramani Huria, Dar Es Salaam
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Etc...

30. Getting started !
beamapper.com

31. learnosm.org

32. Is that all ?
No !

33. Thank You
Enock Seth Nyamador
GIS Enthusiast and Open Data advocate
Twitter : @Enock4seth