OpenStreetMap Completeness for England 03/10
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OpenStreetMap Completeness for England 03/10

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Set of maps which show the completeness of OpenStreetMap when compared to Ordnance Survey Meridian 2 database. For more details, see povesham.wordpress.com

Set of maps which show the completeness of OpenStreetMap when compared to Ordnance Survey Meridian 2 database. For more details, see povesham.wordpress.com

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OpenStreetMap Completeness for England 03/10 OpenStreetMap Completeness for England 03/10 Presentation Transcript

  • OpenStreetMap Completeness for England – March 2010 Dr Muki Haklay Department of Civil, Environmental and Geomatic Engineering, UCL [email_address]
  • Methodology
    • Data compared to Meridian 2 (Now available from OS OpenData)
    • For methodology see http://wp.me/p7DNf-3x
  • Change in completeness Mar 2008 – Mar 2010
  • Change in completeness with attributes
  • England – March 2008
  • England – March 2009
  • England – October 2009
  • England – March 2010
  • Specific areas
    • The following slides provide time series of the following areas:
    • South West (around Exeter)
    • London
    • Birmingham and the midlands
    • Manchester and Liverpool and the North West
    • Newcastle upon Tyne and the North East
  • March 2008
  • March 2009
  • October 2009
  • March 2010
  • March 2008
  • March 2009
  • October 2009
  • March 2010
  • March 2008
  • March 2009
  • October 2009
  • March 2010
  • March 2008
  • March 2009
  • October 2009
  • March 2010
  • March 2008
  • March 2009
  • October 2009
  • March 2010
  • Completeness with attributes
    • The test for completeness with attributes checks that roads and streets names have been completed
    • Until the release of Ordnance Survey data in 1 st April 2010, this was a good indication for ground survey of an area
  • England – March 2008
  • England – March 2009
  • England – October 2009
  • England – March 2010
  • March 2008
  • March 2009
  • October 2009
  • March 2010
  • March 2008
  • March 2009
  • October 2009
  • March 2010
  • March 2008
  • March 2009
  • October 2009
  • March 2010
  • March 2008
  • March 2009
  • October 2009
  • March 2010
  • March 2008
  • March 2009
  • October 2009
  • March 2010
  • Sources of information and further details
    • OpenStreetMap data
    • Ordnance Survey Meridian 2 provided by the Ordnance Survey Research Unit and OS OpenData. This data is Ordnance Survey (c) Crown Copyright and Database rights 2010
    • OpenStreetMap data provided by CloudMade and GeoFabrik from http://downloads.cloudmade.com/ and http://download.geofabrik.de/osm/ (based on data from OpenStreetMap and licensed under the terms of the Creative Commons Attribution Share-Alike 2.0 licence). The data originates from the OpenStreetMap community (see http://www.openstreetmap.org )
    • The maps in this file are (cc-by-sa) Muki Haklay
    • Further information and discussion of these results at http://povesham.wordpress.com