1. Prepared by: Ket Mengcheang
website: teangtnaut.org
Email: mengcheang@teangtnaut.org
2. What is OpenStreetMap?
Maps can be used by anyone without
copyright restrictions
Editable by anyone
Anyone can contribute new data to the
map or even edit the existing data
A free and open data source
The raw map data is available for
anyone to use in whatever way they like
3. Why the OSM is important?
Existing Data not Free & Open
Limits your rights to use the data as
you wish
Data as a Static Snapshot
Commercial data may be years old
Existing data not editable
If you discover an error in an existing
map, you cannot instantly edit it
4. Where on the web?
Main site
http://www.openstreetmap.org
Wiki (the first point of call for all aspects
of OSM-related information)…
http://wiki.openstreetmap.org/wiki/Main_Pa
ge
5.
6. How does OSM work?
Provide an Open Platform
OSM Users may freely input and extract data
Raw sources for OSM map
GPS track logs
Existing Free Data Sources (eg Road with
label, land administration boundary, lakes ,
ponds, rivers, protection area, etc.)
Historical Maps – Out of Copyright mapping
Bing / Yahoo! Aerial Imagery
Users Create Map from Raw Sources