Grassroots Mapping

An intro to OpenStreetMap + its community culture. For Ignite Tampa Bay 2013.

Transcript

1. grassroots mapping building our own maps with open data coleman mccormick @colemanm
2. my name is coleman @colemanm
3. geography cartography software science to create better maps + data i use these
4. making maps is historically the domain of government agencies big businesses militaries imagery providers
5. google yahoo apple
6. OpenStreetMap the alternative openstreetmap.org
7. volunteer-constructed, open dataset of the world’s geographic information a gigantic collaborative project to map the world (the wikipedia of maps)
8. gigantic? wikipedia: 42 GB openstreetmap: 370 GB where does all this data come from? image: tom macwright
9. 1.1 million contributors millions + millions of edits since 2004 2.7 billion GPS points democratizing the creation of maps photo: justin miller
10. how it’s made + compatibly-licensed data imports (e.g. US Census, CanVec, + many more)
11. using GPS :: traces from europe planet.openstreetmap.org/gps
12. who does this stuff?
13. people are contributing high-quality, local expertise instead of someone from another city showing up to map your neighborhood, you map your own cyclists humanitarian workers cartographers hikers runners et al. photo: mapbox
14. ground-truthing + local authority are lacking in most commercial map data openstreetmap gives us maps built by the people that live there
15. senegal russia philippines italy local communities all over the world (just to name a few...)
16. why contribute? because openstreetmap is used by governments • software companies • schools photo: jean-louis zimmerman your openstreetmap contributions help real people
17. how you can join us osmtampabay.org @osmtampabay
18. USF campus great work by local mappers
19. when anyone can contribute, you also see awesome stuff like this
20. thanks! coleman mccormick coleman@spatialnetworks.com @colemanm spatialnetworks.com colemanm.org