Stanford Presentation to GISSIG

An Introduction to OpenStreetMap Sarah Manley Community Ambassador April 20, 2009

My Background 2

My Background 3

My Background 4

Why maps? “Because maps are a visual tool for sharing information with others. Because they can be produced by many people and combined together to tell stories about complex relationships. Because maps are never ﬁnished and only tell part of a story that can constantly be expanded upon. Because power exists in space, struggle exists in space and we exist in space. Because we cannot know where we are going if we do not know where we are from.” - Notes for a People’s Atlas of Chicago http://chicagoatlas.areaprojects.com/about/ 5

Perception 6

Discovery 7

Land Use 8

Navigation 9

Organization 10

Organization 11

Artistic

Why Mapping? “ Certainly we wanted to use the mapping to help us ﬁgure out what a neighborhood was, but we also wanted to use the mapping as a kind of organizational tool, as a way of bringing the neighborhood together and helping it to see itself.” - Denis Wood, The Power of Maps 14

Artistic 15

How accessible are current maps? 16

How accessible are current maps? • Costly • Closed • Often out of date 17

•Copyright: http://asia.cnet.com/i/r/2007/pg/62034053/sc001.jpg 18

Copyrighted 20

Norman Dennison, director of Geographers' A-Z Map Company, conﬁrms that Lye Close is a lie, which will now be removed. quot;The idea is to put something on the map to protect copyright,quot; he says. quot;We try to put it in an area or a part of a road which would not be misleading to the ordinary person in the street. They have been put in out- of-the-way places.quot; 21

Google screen capture: 16 Jan 2009 23

OSM screen capture: 16 Jan 2009 24

A thought... “If you don’t make [lower-resolution mapping data] publicly available, there will be people with their cars and GPS devices, driving around with their laptops .. They will be cataloguing every lane, and enjoying it, driving 4×4s behind your farm at the dead of night. There will, if necessary, be a grass-roots remapping.” Tim Berners-Lee 25

How is OpenStreetMap different? 26

quot;OpenStreetMap is a project aimed squarely at creating and providing free geographic data such as street maps to anyone who wants them.quot; openstreetmap.org 27

So what are the beneﬁts? • It’s Free • It’s Open • It’s as current as the contributers make it 28 28

Where can you use OSM? 29

How is OSM data being used? 30

How is OSM data being used? 31

How is it open? ODBL 33

“You could have a community capability where you took the GPS data of people driving around and started to see, oh, there’s a new road that we don’t have, a new route .. And so that data eventually should just come from the community with the right software infrastructure.” - Bill Gates 35

OSM contributors 36

Public Domain Map Data TIGER Data: Topologically Integrated Geographic Encoding and Referencing system 48

Chicago

New Orleans 50

London

Berlin

Almere, Holland 55

Sydney

Johannesburg

aghdad

Non-Traditional Online Maps 59

You can map what matters to you 60

Burning Man 61

Map Rendering and Cartography 62

Mapnik

Osmarender

Cycle Map

No Name

Maplint

OpenStreetBug

Map Comparison: http://tools.geofabrik.de/mc/ : Map Compare 69

How do you (and others) get involved? 70

Contribute to Potlatch- the online editor 71

You can edit from home 72

Labeling in the Map 77

How do you map with OSM? 78

Record Observations 79

Grab data off of GPS 80

Grab data off of GPS 81

JOSM= Java OpenStreetMap 82

JOSM Preferences 83

Map with your GPS 84

Map with your GPS 85

Edit the data 86

Edit the data 87

Geotagging Photos & Audio 88

Geotagging Photos & Audio 89

Upload and Render 90

How do people map? 91

Or map as a community 92

Global Events: July 10 -12, 2009: Amsterdam 71 93

Open Source Curriculum Initiative •Focused on introducing students to • community based mapping • cartography in the web 2.0 • open source data • crowd sourcing projects • integrating maps into art, humanities, and other disciplines 94

Available • http://wiki.openstreetmap.org/wiki/Education • will be posted on ccLearn, connexions, curriki • suggestions? 95

Questions? 96

Thank you Sarah Manley Bay Area Community Ambassador Sarah@cloudmade.com Next event: May 9 & 10: Santa Cruz Mapping Party wiki.openstreetmap.org 97

Stanford Presentation to GISSIG

by Sarah_Manley

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