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Openstreetmap
 Contributing




        ICRC GIS officers - 24/08/2010
        Frédéric Bonifas
        fredericbonifas@gmail.com
Data sources
GPS

●   Historical source of data
●   Especially useful in rural areas
●   Allow WMS layer rectification
●   The more we get tracks, the more the map will
    be accurate.
Aerial imagery

●   Easy tracing of linear and area features

●   Imagery currently used :
    ●   Yahoo (big cities)
    ●   Landsat
    ●   Special cases : Haiti, Gaza, Kyrgyzstan, Pakistan...
Imports

●   PGS coastlines
●   CIA World Databank boundaries
●   AND donated data in the Netherlands
●   TIGER data in the USA
●   etc
Other maps

●   Compliant license needed (PD)
●   Example : CIA maps


    → Perry-Castañeda Library Map Collection
    http://www.lib.utexas.edu/maps/
Local knowledge

●   Most valuable source of data
    ●   accurate
    ●   up-to-date
    ●   many details (street names, POIs...)

●   But also most difficult to find
    ●   contributions mainly in Europe and urban areas
    ●   areas without data are often where technology is
        the less spread
Softwares
JOSM

●   Powerful Java desktop editor
●   WMS integration
●   Data quality checks
●   Plugins to add tools
●   Custom preset attributes
JOSM
Potlatch

●   Flash online editor
●   WMS integration
●   Easy editing
●   Difficult to handle large amount of data
Potlatch
Potlatch 2

●   Future live OSM editor
●   Written in Flash
●   Easily configurable and deployable
Potlatch2
Custom Potlatch2
Simple Map Editor (GSoC 2010)
Walking Papers

●   Take notes on existing map
●   Automatic orthorectification
●   Edition on top of the annotated map


    → Everyone can participate


    → http://walking-papers.org/
Take notes
JOSM editing
Before/After
Data quality
Geometry and tagging control
Geometry and tagging control
Mapping completeness

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2 contributing

  • 1. Openstreetmap Contributing ICRC GIS officers - 24/08/2010 Frédéric Bonifas fredericbonifas@gmail.com
  • 3. GPS ● Historical source of data ● Especially useful in rural areas ● Allow WMS layer rectification ● The more we get tracks, the more the map will be accurate.
  • 4. Aerial imagery ● Easy tracing of linear and area features ● Imagery currently used : ● Yahoo (big cities) ● Landsat ● Special cases : Haiti, Gaza, Kyrgyzstan, Pakistan...
  • 5. Imports ● PGS coastlines ● CIA World Databank boundaries ● AND donated data in the Netherlands ● TIGER data in the USA ● etc
  • 6. Other maps ● Compliant license needed (PD) ● Example : CIA maps → Perry-Castañeda Library Map Collection http://www.lib.utexas.edu/maps/
  • 7. Local knowledge ● Most valuable source of data ● accurate ● up-to-date ● many details (street names, POIs...) ● But also most difficult to find ● contributions mainly in Europe and urban areas ● areas without data are often where technology is the less spread
  • 9. JOSM ● Powerful Java desktop editor ● WMS integration ● Data quality checks ● Plugins to add tools ● Custom preset attributes
  • 10. JOSM
  • 11. Potlatch ● Flash online editor ● WMS integration ● Easy editing ● Difficult to handle large amount of data
  • 13. Potlatch 2 ● Future live OSM editor ● Written in Flash ● Easily configurable and deployable
  • 16. Simple Map Editor (GSoC 2010)
  • 17. Walking Papers ● Take notes on existing map ● Automatic orthorectification ● Edition on top of the annotated map → Everyone can participate → http://walking-papers.org/