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1 3D City Model Berlin Spatial Data Infrastructure Berlin: The 3D City Model ERDF Project

2 Strategic Goal 3D City Model Berlin Strategic Goal Use of 3D City Model for: City and Urban Planning, Political Issues and Consulting, Civic Participation, Marketing, Service, Promotion for Companies Initial situation: two different models should be merged into one single model According to the GDI Berlin-Brandenburg Open Standards to be used to enable access Funded by European Regional Development Fund (ERDF): ca. 900,000

situation: two different models should be merged into one single model According to the GDI

3 3D City Model Berlin Characteristics Characteristics Applications for Showroom and Urban Planning and updating ORACLE Database using CityGML Standard (Open Source Database Schema) Access through OGC Web Services, WPVS, GoogleEarth (kml), Online Streaming, Access Control by Web Security Service Integrates Objects in all Levels of Detail (LOD1-4) with Textures Wide Spectrum of Geodata (Laserscan, Orthografic, Architecture, POI)

Services, WPVS, GoogleEarth (kml), Online Streaming, Access Control by Web Security Service Integrates

5 3D City Model Berlin Points of Interests POI s

6 3D City Model Berlin 3D Geodata Surface Data / Terrain Data 890 km² ( 481 km² West Berlin 409 km² East Berlin ) Aerial Photo 890 km² Building Objects LOD 1 50,000 Objects w/o Textures (resp. using Texture Catalogue) Building Objects LOD 2 270,000 Objects automatically generated ( East Berlin only ), Textures based on photo flights Building Objects LOD 3 80 Points of Interest manually modeled, fully textured Building Objects LOD 4 4 Points of Interest fully modeled, fully textured e.g. German Parliament, Berlin Central Station

using Texture Catalogue) Building Objects LOD 2 270,000 Objects automatically generated ( East Berlin only ), Textures based on

7 3D City Model Berlin Technical Goals Operative Goal Achieved by Higher Information Quality Better and Faster Visualisation for Anybody Up-To-Date Data, Comprehensive Data, New Models Web Perspective View Service Client Faster Data Base and Fast Web Services Tuned Database and Tuned Services Secured Web Services Universal Secured Access Integration of Different Models and Different Levels of Detail Guaranteed Sustainability Adaptive Database Model Versioning Database Model

Data Base and Fast Web Services Tuned Database and Tuned Services Secured Web Services Universal Secured Access

8 3D City Model Berlin System Components Applications Application WPVS Client Application Application Internet Firewall / Proxy Governmental Network WSS Services: WSS, WCS, WFS, WPVS Services WMS WCS WFS/ WFS- T WPVS ( Caching Srv ) async async direct access Data Base System and Geodata 2D Maps Aerial Maps Terrain ( DTM ) direct access Data 3D Objects (c) 2008 Zerna Ingenieure CityGML based 3D Database

WFS/ WFS- T WPVS ( Caching Srv ) async async direct access Data Base System and Geodata 2D Maps

9 3D City Model Berlin Applications and Tools Presentation System -3D City Model Presentation System - based on 3DGeo s LandXplorer Product - used by Berlin Partner for Business Development Authoring Tool CAD Interface Module - 3D City Model Editor - based on 3DGeo s LandXplorer Product - used by Senate Department for Urban Development for Planning, Maintenance and Distribution - converts to and from different CAD Systems - supports IFC, CityGML, SHP, DXF - developed by Forschungszentrum Karlsruhe Database Administration Module - Imports and Exports Large Amount of Data ( CityGML, SHP, DTM, Aerial Data ) -MatchingTool - developed by TU Berlin

for Urban Development for Planning, Maintenance and Distribution - converts to and from different CAD Systems - supports IFC, CityGML, SHP, DXF - developed by

10 3D City Model Berlin Services Web Security Services Web Coverage Service - uses WxS Facades - based on 52 North, developed by AED Sicad - OGC compliant - developed by lat/lon, redeveloped by 3DGeo Web Feature Service / Transactional Web Feature Service - OGC compliant - supports CityGML - highly performant for large data - developed by lat/lon, redeveloped by 3DGeo Web Perspective View Service - OGC (Draft) compliant - Fast High Quality 3D Visualisation - neither Plugins nor Local Applications needed - uses caching WPVS Server for Rendering - developed by 3DGeo

CityGML - highly performant for large data - developed by lat/lon, redeveloped by 3DGeo Web Perspective View Service - OGC (Draft) compliant

11 3D City Model Berlin 3D Geodatabase 3D Geodatabase - Oracle 10g R2 w Spatial Data Option - developed by Bonn University, TU Berlin, 3DGeo and lat/lon Modeling - full CityGML support - explicit usage of spatial data types - optimized for storage of large data Versioning - supports Versions, Timestamps, LOD s - developed by TU Berlin Performance - highly performant ( > 350 Objects/sec ) - developed by TU Berlin and 3DGeo

data types - optimized for storage of large data Versioning - supports Versions, Timestamps, LOD s -

12 3D City Model Berlin Thank you for your patience

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