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OSMatrix
Grid-based Analysis and
Visualization of OpenStreetMap



Oliver Roick
Julian Hagenauer
Alexander Zipf
What is OSMatrix?
What is OSMatrix?
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



...
Client



         OpenLayers

                           OSM
Server




         Geoserver



           PostGIS    Geotools
Results
Number of contributing users
Average number of contributions per user
Total number of features
Average version number
The Netherlands


                     Average number of
Number of features   contributions per user   Average version number
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?
http://osmatrix.uni-hd.de



Oliver Roick
Ruprecht-Karls-Universität Heidelberg   roick@uni-heidelberg.de
Institute of Geography                      twitter.com/oliverroick
Chair of GIScience                      slideshare.net/oliverroick

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OSMatrix - Grid-based Analysis and Visualization of OpenStreetMap