Presentation is loading. Please wait.

Presentation is loading. Please wait.

Chair of Methods of Geoinformation Science 4th of March, 2008 CityGML - Modelling our environment Alexandra Stadler, Thomas H. Kolbe Technische Universität.

Published byJordan Armstrong Modified over 8 years ago

Similar presentations

Presentation on theme: "Chair of Methods of Geoinformation Science 4th of March, 2008 CityGML - Modelling our environment Alexandra Stadler, Thomas H. Kolbe Technische Universität."— Presentation transcript:

1 Chair of Methods of Geoinformation Science 4th of March, 2008 CityGML - Modelling our environment Alexandra Stadler, Thomas H. Kolbe Technische Universität Berlin Institute for Geodesy and Geoinformation Science Chair of Methods of Geoinformation Science

2 Alexandra Stadler, Thomas H. Kolbe: CityGML – Modelling our environment 2 Chair of Methods of Geoinformation Science 4th of March, 2008 Content  Introduction to CityGML  General characteristics  Modularisation  Coherence of semantics and geometry  Multi-Scale modelling  Terrain Intersection Curve (TIC)  External references  Appearances  Application Domain Extensions (ADE)  Implementation, Conversion, Viewer  Target application areas  Noise immision mapping  Homeland Security  CityGML code example: Building in LOD 3

3 Alexandra Stadler, Thomas H. Kolbe: CityGML – Modelling our environment 3 Chair of Methods of Geoinformation Science 4th of March, 2008 Content  Introduction to CityGML  General characteristics  Modularisation  Coherence of semantics and geometry  Multi-Scale modelling  Terrain Intersection Curve (TIC)  External references  Appearances  Application Domain Extensions (ADE)  Implementation, Conversion, Viewer  Target application areas  Noise immision mapping  Homeland Security  CityGML code example: Building in LOD 3

4 Alexandra Stadler, Thomas H. Kolbe: CityGML – Modelling our environment 4 Chair of Methods of Geoinformation Science 4th of March, 2008  Ongoing virtualisation of our environment  Semantic models of all relevant objects in urban space  Base models include most important feature classes and attributes  Objects may have several geometrical representations  Spatial reference links data of different disciplines, since they refer to the same physical space  Initiatives  Inspire  EuroSDR Motivation

5 Alexandra Stadler, Thomas H. Kolbe: CityGML – Modelling our environment 5 Chair of Methods of Geoinformation Science 4th of March, 2008 Standards are the key… …to the integration of (3d geo) data of different data sources Application Data source A Data source B

6 Alexandra Stadler, Thomas H. Kolbe: CityGML – Modelling our environment 6 Chair of Methods of Geoinformation Science 4th of March, 2008 Never heard about CityGML – what‘s that? Content  Modelling of all relevant parts of the virtual city according to their semantics, geometry, topology and appearance  GML 3 application schema (XML based)  Data model and exchange format for virtual 3d city models History  Developed since 2002 by the Special Interest Group 3d (NorthRhine Westphalia, Germany)  Members from >70 companies, municiplaities and research institutions lead managed by  Prof. Thomas Kolbe (IGG TU Berlin)  Dr. Gerhard Gröger (IGG Uni Bonn)

7 Alexandra Stadler, Thomas H. Kolbe: CityGML – Modelling our environment 7 Chair of Methods of Geoinformation Science 4th of March, 2008 CityGML‘s way to become an OGC standard CityGML 0.4.0 OGC Best Practices Paper CityGML 1.0.0 (Proposal) OGC Request for Comments CityGML 0.3.0 OGC Discussion Paper 2007-05-30 2008-02-04 2006-03-06 2008-02-19 2008-03-20 CityGML 1.0.0 OGC Implementation Specification (after final OGC TC vote) coming soon >>>>>>  International Standard

8 Alexandra Stadler, Thomas H. Kolbe: CityGML – Modelling our environment 8 Chair of Methods of Geoinformation Science 4th of March, 2008 Content  Introduction to CityGML  General characteristics  Modularisation  Coherence of semantics and geometry  Multi-Scale modelling  Terrain Intersection Curve (TIC)  External references  Appearances  Application Domain Extensions (ADE)  Implementation, Conversion, Viewer  Target application areas  Noise immision mapping  Homeland Security  CityGML code example: Building in LOD 3

9 Alexandra Stadler, Thomas H. Kolbe: CityGML – Modelling our environment 9 Chair of Methods of Geoinformation Science 4th of March, 2008 Modularisation CityGML consists of  the core module  several extension modules  vertical subdivision

10 Alexandra Stadler, Thomas H. Kolbe: CityGML – Modelling our environment 10 Chair of Methods of Geoinformation Science 4th of March, 2008 Coherence of semantics and geometry … Semantic object e.g. Building Corresponding geometry e.g. Solid …  Use of Boundary Representation (B-Rep) for geometry modelling  Explicit relations between semantic objects and their geometrical representations * *

11 Alexandra Stadler, Thomas H. Kolbe: CityGML – Modelling our environment 11 Chair of Methods of Geoinformation Science 4th of March, 2008 Geometry Semantics KML: No semantics, only (unstructured) geometry CityGML vs. KML CityGML: (Up to) Complex objects with structured geometry Semantics Geometry

12 Alexandra Stadler, Thomas H. Kolbe: CityGML – Modelling our environment 12 Chair of Methods of Geoinformation Science 4th of March, 2008 „Availability“ of semantics  Geometric entities know WHAT they are  Semantic entities know WHERE they are and what their spatial extents are

13 Alexandra Stadler, Thomas H. Kolbe: CityGML – Modelling our environment 13 Chair of Methods of Geoinformation Science 4th of March, 2008 Multi-scale modelling LOD 4 – Interior model „Walkable“ architectural models LOD 3 – City / Site model Detailed architectural model LOD 2 – City / Site model Explicit roof structures LOD 1 – City / Site model „Block model“ without roof structures LOD 0 – Regional model 2.5d Digital Terrain Model

14 Alexandra Stadler, Thomas H. Kolbe: CityGML – Modelling our environment 14 Chair of Methods of Geoinformation Science 4th of March, 2008 Terrain intersection curve  Defines the intersection of an object with the terrain  Applicable to  Building  CityFurniture  GenericCityObject  Implicitly: WaterBody, Transportation, LandUse

15 Alexandra Stadler, Thomas H. Kolbe: CityGML – Modelling our environment 15 Chair of Methods of Geoinformation Science 4th of March, 2008 External references Objects may  Refer to their original data sources  Refer to other external data sources containing additional data, e.g.  Building: Link to cadastre, information about owners  Door: Link to facility management systems  Antenna: Link to mobile communication databases

16 Alexandra Stadler, Thomas H. Kolbe: CityGML – Modelling our environment 16 Chair of Methods of Geoinformation Science 4th of March, 2008 Appearances  Materials (similar to X3D)  Textures  Standard textures (explicit texture coordinates)  Aerial images (georeferenced)  Projected photos  Multiple appearances (themes) per object

17 Alexandra Stadler, Thomas H. Kolbe: CityGML – Modelling our environment 17 Chair of Methods of Geoinformation Science 4th of March, 2008 Application Domain Extensions (ADE) = Specific application schemata (e.g., noise immission mapping) Extend CityGML model by  Additional feature classes  Additional attributes  Additional relations Design remarks:  CityGML+ADE files remain valid CityGML  „Pure“ CityGML readers ignore ADE (unknown namespace!)  Accessible XSD document required for each ADE  Used for validating corresponding CityGML files

18 Alexandra Stadler, Thomas H. Kolbe: CityGML – Modelling our environment 18 Chair of Methods of Geoinformation Science 4th of March, 2008 Content  Introduction to CityGML  General characteristics  Modularisation  Coherence of semantics and geometry  Multi-Scale modelling  Terrain Intersection Curve (TIC)  External references  Appearances  Application Domain Extensions (ADE)  Implementation, Conversion, Viewer  Target application areas  Noise immision mapping  Homeland Security  CityGML code example: Building in LOD 3

19 Alexandra Stadler, Thomas H. Kolbe: CityGML – Modelling our environment 19 Chair of Methods of Geoinformation Science 4th of March, 2008 German cities modelled in CityGML 3d city models based on CityGML  Berlin  Dresden  Stuttgart  Bonn  Cologne  Frankfurt/Main  …  whole NRW in LOD 1 Planned for  Karlsruhe  … Berlin (GoogleEarth) Stuttgart (SupportGIS)

20 Alexandra Stadler, Thomas H. Kolbe: CityGML – Modelling our environment 20 Chair of Methods of Geoinformation Science 4th of March, 2008 Implementation Growing awareness of CityGML (particularily in the US) Discussions with  Web 3D Consortium  CTO GoogleEarth  International Alliance for Interoperability (IFC-Standard) Selected implementations:  Oracle 11G Spatial  Bentley Microstation, Onuma Planning System (CAAD)  Feature Manipulation Engine (FME)  Snowflake Software, lat/lon (Web Feature Service)  CPA SupportGIS (3d GIS-System)

21 Alexandra Stadler, Thomas H. Kolbe: CityGML – Modelling our environment 21 Chair of Methods of Geoinformation Science 4th of March, 2008 Conversion  CityGML  FME (con terra)  IFC  CityGML (Forschungszentrum Karlsruhe) original IFC modelCityGML LOD 1CityGML LOD 2CityGML LOD 3CityGML LOD 4

22 Alexandra Stadler, Thomas H. Kolbe: CityGML – Modelling our environment 22 Chair of Methods of Geoinformation Science 4th of March, 2008 Viewer  LandXPlorer (C++)  3D Geo, Potsdam  Hasso-Plattner-Institute (University of Potsdam)  Aristoteles 3D-Viewer (Java)  IGG, University of Bonn

23 Alexandra Stadler, Thomas H. Kolbe: CityGML – Modelling our environment 23 Chair of Methods of Geoinformation Science 4th of March, 2008 Content  Introduction to CityGML  General characteristics  Modularisation  Coherence of semantics and geometry  Multi-Scale modelling  Terrain Intersection Curve (TIC)  External references  Appearances  Application Domain Extensions (ADE)  Implementation, Conversion, Viewer  Target application areas  Noise immision mapping  Homeland Security  CityGML code example: Building in LOD 3

24 Alexandra Stadler, Thomas H. Kolbe: CityGML – Modelling our environment 24 Chair of Methods of Geoinformation Science 4th of March, 2008 Target application areas

25 Alexandra Stadler, Thomas H. Kolbe: CityGML – Modelling our environment 25 Chair of Methods of Geoinformation Science 4th of March, 2008 Application scenario 1: Noise immision mapping EU Directive: Minimisation of noise immissions  Calculation of noise immission maps for whole North Rhine-Westphalia  Data provision and exchange via CityGML using web services (WFS, WCS, WMS):  8.4 million 3d buildings in LOD 1  3d street network in LOD 0, with additional noise related attributes  3d rail network in LOD 0  3d noise barriers in LOD 1  Digital terrain model (10 meter resolution)

26 Alexandra Stadler, Thomas H. Kolbe: CityGML – Modelling our environment 26 Chair of Methods of Geoinformation Science 4th of March, 2008 Application scenario 1: Noise immision mapping Noise immsion maps reported to EU (via WMS service) Noise immision simulation 3d geodata in CityGML as input for the calculaion of noise immision maps

27 Alexandra Stadler, Thomas H. Kolbe: CityGML – Modelling our environment 27 Chair of Methods of Geoinformation Science 4th of March, 2008 Application scenario 2: Homeland security Testbed OWS-4 of the Open Geospatial Consortium (OGC)  Setting: Explosion of a „dirty bomb“ in the New York harbour  Task: Support the planning committee in the construction of an emergency hospital  Find the appropriate location  Identify best fitting existing building (size, room layout, air conditioning for decontaminations, etc.)  Thematic queries & visual inspections  Link different web services and client applications  Data formats: CityGML and IFC

28 Alexandra Stadler, Thomas H. Kolbe: CityGML – Modelling our environment 28 Chair of Methods of Geoinformation Science 4th of March, 2008 Application scenario 2: Homeland Security  CityGML building visualised using LandExplorer  from outside (left)  room-based representation of the security level (right)

29 Alexandra Stadler, Thomas H. Kolbe: CityGML – Modelling our environment 29 Chair of Methods of Geoinformation Science 4th of March, 2008 http://www.opengeospatial.org/pub/www/ows4/index.html Application scenario 2: Homeland Security

30 Alexandra Stadler, Thomas H. Kolbe: CityGML – Modelling our environment 30 Chair of Methods of Geoinformation Science 4th of March, 2008 Content  Introduction to CityGML  General characteristics  Modularisation  Coherence of semantics and geometry  Multi-Scale modelling  Terrain Intersection Curve (TIC)  External references  Appearances  Application Domain Extensions (ADE)  Implementation, Conversion, Viewer  Target application areas  Noise immision mapping  Homeland Security  CityGML code example: Building in LOD 3

31 Alexandra Stadler, Thomas H. Kolbe: CityGML – Modelling our environment 31 Chair of Methods of Geoinformation Science 4th of March, 2008 CityGML code example: Building in LOD 3 <CityModel xmlns="http://www.opengis.net/citygml/1.0" xmlns:bldg="http://www.opengis.net/citygml/building/1.0" xmlns:gml="http://www.opengis.net/gml" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.opengis.net/citygml/building/1.0../CityGML/building.xsd"> This file contains four buildings which are automatically converted from IFC models. This listing only shows an excerpt. The full dataset can be downloaded from http://www.citygml.org (example dataset for “four buildings in LOD3”) IFC_Building_Variant 5429999.751795 3449999.751795 0.0 5430023.2 3450021.2 20.0 … Building in LOD 3 Building-ADT-2006 http://www.iai.fzk.de/raw/pages/german/projekte/VR-Systeme/html/Download/ urn:ifc:oid:0deJpNQ05BvwV03c405oVp

32 Alexandra Stadler, Thomas H. Kolbe: CityGML – Modelling our environment 32 Chair of Methods of Geoinformation Science 4th of March, 2008 CityGML code example: Building in LOD 3 http://www.iai.fzk.de/raw/pages/german/projekte/ VR-Systeme/html/Download/ urn:ifc:oid:3CPSkwS7f9QRfhfr5gf7dq 5430006.994499969 3449999.850802998 9.141580054626465 5430007.093499946 3449999.7517950004 8.970100114212036 5430000.906494903 3449999.7517950004 8.970100114212036 5430001.005499649 3449999.850802998 9.141580054626465 5430003.999999809 3450000.9735459564 11.086200187072754 5430006.994499969 3449999.850802998 9.141580054626465 5430006.920299816 3449999.925 8.870099971160888 5430006.845300007 3450000.000000003 8.999999949798584 5430003.999999809 3450001.066800046 10.847800204620361 5430001.154700088 3450000.000000003 8.999999949798584 5430001.079700279 3449999.925 8.870099971160888 5430006.920299816 3449999.925 8.870099971160888 …

33 Alexandra Stadler, Thomas H. Kolbe: CityGML – Modelling our environment 33 Chair of Methods of Geoinformation Science 4th of March, 2008 CityGML code example: Building in LOD 3 http://www.iai.fzk.de/raw/pages/german/projekte/ VR-Systeme/html/Download/ urn:ifc:oid:2es$8LnAD9UxRIGzY8UaVK 5429999.999999809 3450004.4950001715 6.0599999968 5429999.999999809 3450004.4950001715 4.800000021324157 5430000.119999695 3450004.4950001715 4.800000021324157 5430000.180000114 3450004.4950001715 4.800000021324157 5430000.3 3450004.4950001715 4.800000021324157 5430000.3 3450004.4950001715 6.059999996886253 5430000.180000114 3450004.4950001715 6.059999996886253 5430000.119999695 3450004.4950001715 6.059999996886253 5429999.999999809 3450004.4950001715 6.059999996886253 …

34 Alexandra Stadler, Thomas H. Kolbe: CityGML – Modelling our environment 34 Chair of Methods of Geoinformation Science 4th of March, 2008 CityGML code example: Building in LOD 3 http://www.iai.fzk.de/raw/pages/ german/projekte/VR-Systeme/html/Download/ urn:ifc:oid:3VkZRUoa97GgMdD342zHck 5430000.119999695 3450008.940000343 2.99999994979 5430000.180000114 3450008.940000343 2.9999999497985836 5430000.180000114 3450008.940000343 1.920000026092529 5430000.180000114 5430000.180000114 1.860000083312988 5430000.119999695 3450008.940000343 1.860000083312988 5430000.119999695 3450008.940000343 2.9999999497985836 … …

35 Alexandra Stadler, Thomas H. Kolbe: CityGML – Modelling our environment 35 Chair of Methods of Geoinformation Science 4th of March, 2008 Search the web for further examples… e.g. http://www.iai.fzk.de/www-extern/index.php?id=1412

36 Alexandra Stadler, Thomas H. Kolbe: CityGML – Modelling our environment 36 Chair of Methods of Geoinformation Science 4th of March, 2008 Search the web for further examples… e.g. http://www.iai.fzk.de/www-extern/index.php?id=1470

37 Alexandra Stadler, Thomas H. Kolbe: CityGML – Modelling our environment 37 Chair of Methods of Geoinformation Science 4th of March, 2008 Thank you… One thing we would really like to know: What do YOU think about CityGML? CONTACT INFORMATION Prof. Dr. Thomas H. Kolbe, Claus Nagel, Alexandra Stadler { kolbe | nagel | stadler } @ igg.tu-berlin.de Technische Universität Berlin Institute for Geodesy and Geoinformation Science Chair of Methods of Geoinformation Science

Download ppt "Chair of Methods of Geoinformation Science 4th of March, 2008 CityGML - Modelling our environment Alexandra Stadler, Thomas H. Kolbe Technische Universität."

Similar presentations

Faculty of Civil Engineering Institute of Construction Informatics, Prof. Dr.-Ing. Scherer Institute of Construction Informatics, Prof. Dr.-Ing. Scherer.

Faculty of Civil Engineering Institute of Construction Informatics, Prof. Dr.-Ing. Scherer Institute of Construction Informatics, Prof. Dr.-Ing. Scherer.
Access control for geospatial information objects using/extending the eXtensible Access Control Markup Language Andreas Matheus, Technische Universität.

Access control for geospatial information objects using/extending the eXtensible Access Control Markup Language Andreas Matheus, Technische Universität.
The Next Generation Network Enabled Weather (NNEW) SWIM Application Asia/Pacific AMHS/SWIM Workshop Chaing Mai, Thailand March 5-7, 2012 Tom McParland,

The Next Generation Network Enabled Weather (NNEW) SWIM Application Asia/Pacific AMHS/SWIM Workshop Chaing Mai, Thailand March 5-7, 2012 Tom McParland,
INTERNATIONAL INSTITUTE FOR GEO-INFORMATION SCIENCE AND EARTH OBSERVATION Towards quality-aware Infrastructures for Geographic Information Services Richard.

INTERNATIONAL INSTITUTE FOR GEO-INFORMATION SCIENCE AND EARTH OBSERVATION Towards quality-aware Infrastructures for Geographic Information Services Richard.
Routemap to derive ISO models from BUFR Why do we need both ISO and BUFR models? –The BUFR data model is very large – much larger in principle than most.

Routemap to derive ISO models from BUFR Why do we need both ISO and BUFR models? –The BUFR data model is very large – much larger in principle than most.
Bentley Systems, Incorporated

Bentley Systems, Incorporated
Maintainable 3D Models of Cities Gerhard NAVRATIL Rizwan BULBUL Andrew U. Frank Vienna University of Technology Institute of Geoinformation and Cartography.

Maintainable 3D Models of Cities Gerhard NAVRATIL Rizwan BULBUL Andrew U. Frank Vienna University of Technology Institute of Geoinformation and Cartography.
XPlanung 2nd HUNAGI Conference Plan4all workshop, March 3, 2011, Budapest Dr.-Ing. Kai-Uwe Krause.

XPlanung 2nd HUNAGI Conference Plan4all workshop, March 3, 2011, Budapest Dr.-Ing. Kai-Uwe Krause.
CityGML and 3D modelling

CityGML and 3D modelling
Implementation of a Data Node in China's Spatial Information Grid Based on NWGISS Dengrong Zhang, Le Yu, Liping Di Institute of Spatial.

Implementation of a Data Node in China's Spatial Information Grid Based on NWGISS Dengrong Zhang, Le Yu, Liping Di Institute of Spatial.
Nov. 2001 Copyright Galdos Systems Inc. November 2001 Geography Markup Language Enabling the Geo-spatial Web.

Nov Copyright Galdos Systems Inc. November 2001 Geography Markup Language Enabling the Geo-spatial Web.
OWS-4 Demonstration. Helping the World to Communicate Geographically Site Evaluation: Construction Construction analysts are tasked to evaluate the site.

OWS-4 Demonstration. Helping the World to Communicate Geographically Site Evaluation: Construction Construction analysts are tasked to evaluate the site.
1 CIS 454-01 / 528-01 Introduction to Business GIS Winter 2005 Lecture 2 Dr. David Gadish.

1 CIS / Introduction to Business GIS Winter 2005 Lecture 2 Dr. David Gadish.
Nov. 2001 Copyright Galdos Systems Inc. November 2001 Impact of GML on Data Development.

Nov Copyright Galdos Systems Inc. November 2001 Impact of GML on Data Development.
Copyright © 2006, Open Geospatial Consortium, Inc., All Rights Reserved. The OGC and Emergency Services: GML for Location Transport & Formats & Mapping.

Copyright © 2006, Open Geospatial Consortium, Inc., All Rights Reserved. The OGC and Emergency Services: GML for Location Transport & Formats & Mapping.
Semantic Mediation & OWS 8 Glenn Guempel 703-648-4541.

Semantic Mediation & OWS 8 Glenn Guempel
Web Feature Service and Web Map Service WATER FOR A HEALTHY COUNTRY FLAGSHIP SISS Workshop v2.3 Pavel Golodoniuc, Josh Vote 8 May 2013.

Web Feature Service and Web Map Service WATER FOR A HEALTHY COUNTRY FLAGSHIP SISS Workshop v2.3 Pavel Golodoniuc, Josh Vote 8 May 2013.
Martin Doerr, Gerald Hiebel, Institute of Computer Science

Martin Doerr, Gerald Hiebel, Institute of Computer Science
Department of Geoinformation Science Technische Universität Berlin 2009/07/29 On the Automatic Reconstruction of Building Information Models from Uninterpreted.

Department of Geoinformation Science Technische Universität Berlin 2009/07/29 On the Automatic Reconstruction of Building Information Models from Uninterpreted.
Managing Data Interoperability with FME Tony Kent Applications Engineer IMGS.

Managing Data Interoperability with FME Tony Kent Applications Engineer IMGS.

Similar presentations

Ads by Google