Introduction to OSM|Presentation cc-by Richard Weait Richard Weait| OSM Map Data cc-by-sa
You are Here
Richard Who?
Saturday, 25 October
So what? Why do we care about maps?
Non-cartograms CC-by-sa Wikimedia, PaleWhaleGail VNTR allelic variation
4-bit counter cc-by-sa wikipedia Sni9er
Recognize this map? Copyright Transport for London
Cartogram Copyright ed g2s GnuFDL / cc-by-sa
Cholera Dr. John Snow, London, 1843
International trade Public Domain
Ownership Copyright
Haldimand Tract Copyright
OpenStreetMap is... "OpenStreetMap is a project aimed squarely at creating and providing free geographic data such as street maps to anyone who wants them." --
"The project was started because most maps you think of as free actually have legal or technical restrictions on their use, holding back people from using them in creative, productive or unexpected ways." -- OpenStreetMap is...
Four freedoms of Free Software
Data license ODBL
OSM Users and data points
OSM Monthly uploads and edits
OSM data summary (simplified)
Commercial online maps Google maps Yahoo maps Mapquest Mapblast They are all good, but they have limitations. Photo Copyright R.Weait
Greatest limitation of “Them” Data vs. A Picture of the Data
What is wrong with a picture?
Pubs with free WiFi
An example OpenRouteService.org
OSM map tiles and data
Select start and finish
ORS finds a route
Emphasized route
Construction and traffic data
Route looks sub-optimal
Re-routing around construction
url bonn.de/openrouteservice/?zoom=13 &lat= &lon= &layers=00B0TTTTTT
Cycle map Commendation Award
Route elevation profiles
Other OSM advantages ● changes to the map ● additions to the map ● commercial viability (1) ● commercial viability (2) ● generous licenses ● technical options
Earl St - Toronto &zoom=17&layers=B0FT
Skipton Crescent - Cambridge &zoom=16&layers=B0FT
Commercial viability vs. population
Commercial viability vs. population(!)
Generous license
Wanna server, Kid?
How does OSM make maps? ● Collect GPS tracks ● Record observations ● Record metadata ● Upload to server ● Render new map
Global Positioning System
Track files
Survey an area
Record observations
A brief diversion Why work so hard?
Survey diligently (c) A-Z maps. Bristol, UK
Survey an area
Add metadata
Render
How to contribute: Spot bugs
How to contribute: Spot bugs
How to contribute: Squash bugs Highland Park
Other “bugs” to tag. New construction Lane diversions Points of interest Where you plan to map this weekend.
How to Contribute: Get connected Register for the API and wiki.
Online editor - Potlatch
Edit your neigborhood
Offline editor: josm Java OpenStreetMap editor demo
Won't that take “Forever”?
How to Contribute: Get connected Join the mailing lists. talk talk-ca talk-usa talk-dev legal-talk
How to Contribute: Get connected Join IRC #osm irc://irc.oftc.net/osm
How to Contribute: Mapping party! Copyright cc-by-sa User:smsm1
How to Contribute: Stammtisch! Copyright cc-wiki User:D.S.E.
How to contribute: Without a GPS Add points of interest from personal knowledge.
How to contribute: Without a GPS Make corrections from personal knowledge or properly licensed sources.
With a GPS: Change your commute
With a GPS: Map a landmark ● Amusement park ● Campus ● Cemetery ● Airport ● Hospital ● Beach / Port ● Park / Stadium ● Fairground ● Market / Mall
With a GPS: Put a Town on the Map
With a GPS: Map Your Neighbourhood
With a GPS: Map Your Walk / Ride
Featured Image – Oct 2007
NYC mapping party this weekend. New York City Sat. 20 Sept. 10 – 4 Sun. 21 Sept. 11 – 2 Boston Sat. 27 Sept. 10 – 4 Sun. 28 Sept
Resources irc://irc.oftc.net #osm Mailing lists Mapping Party Some slides originally from Mikel Maron. Thanks!
Introduction to OSM|Presentation cc-by Richard Weait Richard Weait| OSM Map Data cc-by-sa