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OSMatrixGrid-based Analysis and Visualization of OpenStreetMap
Oliver RoickJulian HagenauerAlexander 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
...
PostGIS
OpenLayers
Clie
nt
Geoserver
Ser
ver
OSM
Geotools
Results
Number of contributing users
Average number of contributions per user
Total number of features
Average version number
The Netherlands
Average version numberNumber of featuresAverage 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 HeidelbergInstitute of GeographyChair of GIScience
twitter.com/oliverroickslideshare.net/oliverroick
http://osmatrix.uni-hd.de
