open street map, brian prangle
Post on 22-Jun-2015
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OpenStreetMapThe power of crowd-sourcing
Why?
• Too many legal and technical restrictions on existing maps
• Often inaccurate or incomplete• Errors fixed slowly• You only get what the cartographers dictate
How?
Who?
Who (lots)
Getting data into the map
Getting data into the map (2)
The result
Improving the map
So you’ve got a digital map – so what?
Accessing the data
Results of government co-operation
Results of manual surveying
Detail available
For cyclists
More for cyclists
Topo maps
Useful stuff
More useful stuff
Clever stuff
More clever stuff
We map where no-one else wants to
What next?
• More coverage• More accuracy• More mappers!• Better tools• More innovative uses• More data released from government agencies• Visit www.mappa-mercia.org for local info• Visit www.openstreemap.org for global info
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