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Mapping the Urban Environment:
Open Map Data—and Why it Matters Now
@TylerSRadford @HOTOSM
Mapping the Urban Environment: Open Map Dataand Why it Matters Now - - PowerPoint PPT Presentation
Mapping the Urban Environment: Open Map Dataand Why it Matters Now - - PowerPoint PPT Presentation
Mapping the Urban Environment: Open Map Dataand Why it Matters Now @TylerSRadford @HOTOSM City populations soaring; Africa urbanizing most rapidly Why open map data, and why now? What is Open Map Data? OpenStreetMap Free, open,
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Why open map data, and why now?
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What is Open Map Data?
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OpenStreetMap – Free, open, editable map of the world
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Lubumbashi: 2nd largest city in DRC
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Why do maps—especially open maps–matter?
[Insert icons: DRR, Education, Health, Transportation, Water and Sanitation]
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Lubumbashi, DRC (Claire)
And now planning a public bus transportation system Lubumbashi, DRC: Maximizing Impact of Cholera Interventions
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Bangassou, CAR
Central African Republic: Local knowledge is key…
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…to producing detailed city maps (health facilities, schools, water points)
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Ebola
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Gueckedou March 26, 2014 (Google Maps)
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Gueckedou March 26, 2014 (OpenStreetMap)
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“Anyone capable of using a web browser can help”
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Tracing roads and buildings by looking at aerial images
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Within 5 days, 244 volunteers mapped 90,000+ buildings
Before After
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Mamou, Guinea 29 hours 68 contributors 20,105 buildings
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The Impact: Moving the right people, medicine, and equipment to the right place at the right time
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Another impact slide
https://twitter.com/samhirvasdev/status/542575150051655681 ?
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South Africa – Cape Town
- Mapping for disaster (fire) risk reduction
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Dar es Salaam – Ramani Huria
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Hurricane Sandy (New York, 2012) has lessons that can be applied to Dar es Salaam
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What happens when flood maps are old (or don’t exist): real impact
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10,000 buildings damaged outside of flood hazard zone
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Dar es Salaam also has its flooding
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Drainage in Tandale ward
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The approach: partnerships + people (and some cool techy things)
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PROCESS of creating
- pen data
is as important as OUTPUT
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Interactive, hands-on, and supervised by student leaders
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The output: what detailed maps can capture
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The output: Drainage maps showing inundation risk
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Open Aerial Imagery
And, barriers to entry are low: minimal cost, great results
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Barriers to entry are low: Almost anyone can do it
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https://flic.kr/p/rf9wJC
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The result: 3 to 5 weeks
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Displaying the end product
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What we’ve accomplished together in the past 3 years
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@TylerSRadfor d @HOTOSM
Get involved! HOTOSM.org
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Appendix
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March 2014 to present
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