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OSMatrix — Grid-based analysis and visualisation of OpenStreetMap
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Oliver Roick
July 16, 2011
Research
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32
OSMatrix — Grid-based analysis and visualisation of OpenStreetMap
Presented at SOTM-EU 2011 in Vienna, Austraia.
Oliver Roick
July 16, 2011
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Transcript
OSMatrix Grid-based Analysis and Visualization of OpenStreetMap Oliver Roick Julian
Hagenauer Alexander Zipf
What is OSMatrix?
None
What is OSMatrix?
None
Martijn van Exel | wp.me/pcUHq-5f
Johannes Trame & Carsten Keßler | giv-heatmap.uni-muenster.de
Min/Max/Avg: ‣ Version number ‣ Number of Contributions per User
‣ Number of attributes Sum: ‣ Attributes ‣ Features ‣ Contributing users Area: ‣ Buildings ‣ Landuse ...
PostGIS OpenLayers Client Geoserver Server OSM Geotools
None
Results
Number of contributing users
Average number of contributions per user
Total number of features
Average version number
The Netherlands Average version number Number of features Average number
of contributions per user
Poland | Total number of features
Poland | Total number of features
Poland | Total number of features
Portugal | Average version number
Spain | Average version number
Area covered by buildings
Julian Hagenauer & Marco Helbich
What‘s next?
Temporal information 07/11 09/11 11/11 01/12 03/12
Improve performance
Influence of cell size and shape ?
Thank you. Questions?
Oliver Roick Ruprecht-Karls-Universität Heidelberg Institute of Geography Chair of GIScience
[email protected]
twitter.com/oliverroick slideshare.net/oliverroick http://osmatrix.uni-hd.de