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CONVR 2010 - Visualisation of semantic architectural information within a game engine environment
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CONVR 2010 - Visualisation of semantic architectural information within a game engine environment

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  • 1. VISUALISATION OF SEMANTIC ARCHITECTURAL INFORMATION WITHIN A GAME ENGINE ENVIRONMENT
    Pieter Pauwels
    Ronald De Meyer
    Jan Van Campenhout
  • 2. Re-use / Interoperabilitythrough IFC
    BIM
    4D / 5D planning
    AR / VR visualisations
    BIM model

    Building Performance Checking
    Virtual Environment
  • 3. World Wide Web
    SemanticWeb
  • 4. LOD cloud
    The Linked Open Data Cloud (LOD)
    LOD – May 2007
    Linked Data: Nowwhat?by Tom Heath: Presentation at ESWC2010.
    http://videolectures.net/eswc2010_heath_ldnw/
  • 5. LOD cloud
    LOD – Sep. 2010
    Linking Open Data cloud diagramby Richard Cyganiak and Anja Jentzsch.
    http://lod-cloud.net/
  • 6. LOD cloud
    Government applications
    E-commerce sites
    LOD cloud

    Digital Heritage archives
    Search agents
  • 7. UGentMultiMediaLab
    http://multimedialab.elis.ugent.be/
    Dr. Ir. Davy Van Deursen, Ir. Ruben Verborgh, Dr. Ir. Jos de Roo
    Prof. Dr. Ir. Rik Van de Walle
    UGentSmartLab
    http://smartlab.elis.ugent.be/
    Ir. Arch. Pieter Pauwels, Ir. Arch. Ruben Verstraeten, Ir. Arch. Tine Jonckheere
    Prof. Dr. Ronald De Meyer, Prof. Dr. Ir. Jan Van Campenhout
  • 8. Bring BIM into the Semantic Web
    BIM
    LOD cloud
    BIM
  • 9. Example: ‘Intelligent’ Virtual Environments
    BIM
    See video on: http://www.graphisoft.com/ftp/marketing/vbe/int/01/01.html
  • 10. ‘Intelligent’ Virtual Environments
  • 11. The questfor extra information
    Whatvirtual environment to use?
    Bringing the informationinto a virtual environment
  • 12. Bring BIM into the Semantic Web
    BIM
    LOD cloud
    BIM
  • 13. It exists: upload!
    BIM
    LOD cloud
    http://ninsuna.elis.ugent.be/IfcRDFService
  • 14. It exists: query!
    BIM
    LOD cloud
    http://ninsuna.elis.ugent.be/SPARQLEndpoint/
  • 15. It exists: browse!
    BIM
    LOD cloud
    http://ninsuna.elis.ugent.be/rdf/page/ifc/IFC2X3_TC1/ifcBuilding_36
  • 16. The questfor extra information
    Whatvirtual environment to use?
    Bringing the informationinto a virtual environment
  • 17. What Virtual Environment to use?
    • Investigation of existingvirtualenvironments
    • 18. Decision to build a new virtualenvironmentrelying on existinggameenginetechnology
    • 19. Investigation of existinggameenginetechnologytypicallyused for visualisations in construction industry
  • ExistingVirtual Environments
    ‘Sketchy’ online virtualworlds
    Fast and intuitive 3D modelling
    Visualisation
    High level of interactivitymainlywithobjects and people
    Design explorers
    A one-time preview orpresentation
    Information
    Interactivitymainlywithinformation
  • 20. Sketchy online virtualworlds
    • Examples: Second Life, SketchWorlds(, SketchUp)
    • 21. Plus: fast and intuitive 3D modellingattractive/visual environmentsolid basis of functionality
    • 22. Minus: limitedinformation exchange with AEC applicationspoorinformation level
  • SketchWorlds
  • 23.
    • Examples: NavisWorks, Virtual Building Explorer, goBIM, ICEvision
    • 24. Plus: optimizedinformation exchange with BIM toolsadvanced features: 4D construction planning, clash detection, design reviewing, simulations,...
    • 25. Minus: lessintuitive 3D modellingweaker basis of functionality: e.g. online interactivitythroughavatars, focus onpresentationinstead of onmodelling, …
    Design explorers
  • 26. Virtual Building Explorer
  • 27. An alternativeVirtual Environment
    EsperientCreator
    3DVIA Virtools
    Unity3D
    Quest3D
    StoneTripShiVa
  • 28. The best choice?
    “None fits, each is possible”:
    Relativelysmalldifferences in functionality
    Limited level of information exchange with AEC / BIM tools
    Importance of ‘side parameters’: cost, development support, usagestatistics, etc.
    => Unity3D was ourchoice, BUT a more in-depthstudy AND usage is to beconsidered
  • 29. The questfor extra information
    Whatvirtual environment to use?
    Bringing the informationinto a virtual environment
  • 30. Information exchangeInformationmodelling in BIM environment
  • 31. Information exchangeroutering of the model information
    import
    FBX representation
    Virtual world in Unity3D
    BIM model
    export
    Real-time communication
    export
    IFC-to-RDF Service
    IFC representation
    BIM modelin LOD cloud
    References to LOD cloud
    EnrichedBIM model
  • 32. Creation of the virtualworld
  • 33. Implementedfunctionalityconnecting FBX representation to the LOD cloud (1)
  • 34. Implementedfunctionalityconnecting FBX representation to the LOD cloud (2)
    SELECT distinct ?s WHERE { ?s <http://multimedialab.organon.elis.ugent.be/ontologies/IFC2X3#tag> "175853"^^xsd:string . ?s <http://multimedialab.organon.elis.ugent.be/ontologies/IFC2X3#representation> ?o
    }
  • 35. Implementedfunctionalitybasic user interface (1)
  • 36. Evaluation
    Main objectives achieved:
    - Bring BIM information into the Linked Data cloud
    - Easy visualisation of building models in a virtualenvironment
    - Access BIM information and other information in the LOD cloudfromwithin a virtualenvironment
    Furtherresearchneeded:
    - Further explore possible connections between building models and information in the LOD cloud
    - Improve the user interface for a more intuitive usage
  • 37. Thankyou
    Pieter Pauwels
    pipauwel.pauwels@ugent.be