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OSMatrix - Grid-based Analysis and Visualization of OpenStreetMap
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OSMatrix - Grid-based Analysis and Visualization of OpenStreetMap

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  • 1. OSMatrixGrid-based Analysis andVisualization of OpenStreetMapOliver RoickJulian HagenauerAlexander Zipf
  • 2. What is OSMatrix?
  • 3. What is OSMatrix?
  • 4. Martijn van Exel | wp.me/pcUHq-5f
  • 5. Johannes Trame & Carsten Keßler | giv-heatmap.uni-muenster.de
  • 6. Min/Max/Avg: ‣ Version number ‣ Number of Contributions per User ‣ Number of attributesSum: ‣ Attributes ‣ Features ‣ Contributing usersArea: ‣ Buildings ‣ Landuse...
  • 7. Client OpenLayers OSMServer Geoserver PostGIS Geotools
  • 8. Results
  • 9. Number of contributing users
  • 10. Average number of contributions per user
  • 11. Total number of features
  • 12. Average version number
  • 13. The Netherlands Average number ofNumber of features contributions per user Average version number
  • 14. Poland | Total number of features
  • 15. Poland | Total number of features
  • 16. Poland | Total number of features
  • 17. Portugal | Average version number
  • 18. Spain | Average version number
  • 19. Area covered by buildings
  • 20. Julian Hagenauer & Marco Helbich
  • 21. What‘s next?
  • 22. Temporal information 07/11 09/11 11/11 01/12 03/12
  • 23. Improve performance
  • 24. Influence of cell size and shape ?
  • 25. Thank you.Questions?
  • 26. http://osmatrix.uni-hd.deOliver RoickRuprecht-Karls-Universität Heidelberg roick@uni-heidelberg.deInstitute of Geography twitter.com/oliverroickChair of GIScience slideshare.net/oliverroick