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Geospatial Modelling of Urban Security: A novel approach with Virtual 3D City Models Markus Wolff, Hartmut Asche 3D Geoinformation Research Group,  University of Potsdam ICCSA | Perugia | July 2008
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],0  Presentation overview
1  Introduction
Cities at risk ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],1  Introduction
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Cities at risk  the Berlin   case 1  Introduction
[object Object],Cities at risk  the Berlin   case 1  Introduction ,[object Object]
2  Populating existing city models
[object Object],[object Object],[object Object],[object Object],[object Object],Integrating thematic information 2  Semantic extension of geodata base
[object Object],Integrating thematic information 2  Semantic extension of geodata base  ,[object Object]
[object Object],Populating the city model Frequency data provided by FAW 2  Semantic extension of geodata base  ,[object Object]
[object Object],Populating the city model Frequency data provided by FAW 2  Semantic extension of geodata base  ,[object Object]
[object Object],Populating the city model 2  Semantic extension of geodata base  ,[object Object],[object Object]
3  Analysing urban risk exposure
[object Object],[object Object],[object Object],[object Object],Mapping levels of urban threat exposure   3  Geoanalysis of urban risk exposure assumed   increased      highly increased threat level  Buildings     shopping centres     embassies    petrol stations    consulates    police posts    government offices   power/transformer stations
[object Object],Mapping levels of urban threat exposure   3  Geoanalysis of urban risk exposure ,[object Object]
Mapping levels of urban threat exposure   ,[object Object],3  Geoanalysis of urban risk exposure value of closest exposed building: embassy grid, e.g., contains  distance cell values of closest buildings: embassies, consulate offices etc.  ,[object Object],[object Object]
Mapping levels of urban threat exposure   ,[object Object],3  Geoanalysis of urban risk exposure distance from  exposure basis building  [m]  level       0  to    25  1 >  25  to    50 0.5 >  50  to  100 0.2 >100  to  200 0.1 >200 0 ,[object Object]
[object Object],Mapping levels of urban threat exposure     grid    weight embassies  4 consulates    4 shopping centres  2 petrol stations 1 government offices 4 police posts 1 power or transformer stations 1 3  Geoanalysis of urban risk exposure ,[object Object],[object Object],[object Object]
[object Object],Mapping levels of urban threat exposure   3  Geoanalysis of urban risk exposure ,[object Object]
[object Object],Mapping levels of urban threat exposure   3  Geoanalysis of urban risk exposure ,[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],Visibility analysis for specific buildings 3  Geoanalysis of urban risk exposure
4  Conclusion
Summary ,[object Object],[object Object],[object Object],[object Object],4  Conclusion
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Speaker and Affiliation Project Information
Thank you for your attention! Questions? Comments? Feedback? Contact: Markus.Wolff@hpi.uni-potsdam.de Visit our website:  www.3dgi.de

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Wolff3 D

  • 1. Geospatial Modelling of Urban Security: A novel approach with Virtual 3D City Models Markus Wolff, Hartmut Asche 3D Geoinformation Research Group, University of Potsdam ICCSA | Perugia | July 2008
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  • 7. 2 Populating existing city models
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  • 13. 3 Analysing urban risk exposure
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  • 16.
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  • 25. Thank you for your attention! Questions? Comments? Feedback? Contact: Markus.Wolff@hpi.uni-potsdam.de Visit our website: www.3dgi.de