An introduction to CityGRID: without text

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CityGRID, from Met GeoInfo, is the data management solution for all your 3D city modelling needs. Used by City Authorities, Utility Managers and Consturction Groups across Europe to maximise the investments they have made in 3D data capture.

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  • An introduction to CityGRID: without text

    1. 1. January 2009 CityGRID 2009 Intelligent 3D data management
    2. 2. Presentation Items <ul><li>The Met Consultancy Group </li></ul><ul><li>City Modelling: what is it? </li></ul><ul><li>Why model a city? </li></ul><ul><li>City GRID - an introduction </li></ul><ul><li>The City GRID advantage </li></ul><ul><li>What does it cost to model a city? </li></ul>
    3. 3. The Met Consultancy Group <ul><li>Consists of: </li></ul><ul><ul><li>Met Surveys </li></ul></ul><ul><ul><li>Met Geo Environmental </li></ul></ul><ul><ul><li>Met Consulting Engineers </li></ul></ul><ul><ul><li>Met Geo Info </li></ul></ul>
    4. 4. City Modelling: What is it?
    5. 5. City Modelling: What is it? <ul><li>Level of detail (LOD) 1 – LOD 3 </li></ul>
    6. 6. City Modelling: What is it? ◄ Point Cloud Data from a terrestrial laser scanner incorporated into a model ▼ Biometric 3DS objects used to represent proposed planting scheme
    7. 7. City Modelling: What is it?
    8. 8. City Modelling: Why? <ul><li>To improve decision making, and </li></ul><ul><li>To save time and money in the decision making process </li></ul><ul><li>Application areas can be broadly grouped: </li></ul><ul><ul><li>Information management </li></ul></ul><ul><ul><li>Conservation </li></ul></ul><ul><ul><li>Urban planning </li></ul></ul><ul><ul><li>Public consultation </li></ul></ul>
    9. 9. City Modelling: Why? Information Management
    10. 10. City Modelling: Why? Conservation
    11. 11. City Modelling: Why? Urban Planning 1
    12. 12. City Modelling: Why? Urban Planning 2
    13. 13. City Modelling: Why? Urban Planning 3
    14. 14. City Modelling: Why? Urban Planning 4
    15. 15. City Modelling: Why? Public Consultation 1
    16. 16. City Modelling: Why? Public Consultation 2
    17. 17. City Modelling: Why? Public Consultation 3
    18. 18. City Modelling: Why?
    19. 19. City Modelling: Why? Public Consultation 4 <ul><li>Solid models: </li></ul>
    20. 20. Presentation Items <ul><li>The Met Consultancy Group </li></ul><ul><li>City Modelling: what is it? </li></ul><ul><li>Why model a city? </li></ul><ul><li>City GRID - an introduction </li></ul><ul><li>The City GRID advantage </li></ul><ul><ul><li>The logic of the CityGRID data structure </li></ul></ul><ul><li>What does it cost to model a city? </li></ul>
    21. 21. CityGRID: What is it? <ul><li>Creation Management Visualisation </li></ul><ul><li>Input: </li></ul><ul><li>Point Cloud Data </li></ul><ul><li>Aerial Photography </li></ul><ul><li>3D Data Providers </li></ul><ul><li>Output: </li></ul><ul><li>Rendering (stills/video) </li></ul><ul><li>Interactive viewers </li></ul><ul><li>Analysis (2D/3D) </li></ul>
    22. 22. CityGRID: What is it? CityGRID Manager CityGRID Modeler CityGRID Planner CityGRID Explorer
    23. 23. CityGRID: Modeler CityGRID Modeler
    24. 24. CityGRID: Planner CityGRID Planner
    25. 25. CityGRID: Explorer CityGRID Explorer
    26. 26. CityGRID: Manager CityGRID Modeler CityGRID Planner CityGRID Explorer CityGRID Manager
    27. 27. CityGRID: The advantages 1 <ul><li>Data Structure: </li></ul><ul><ul><li>Line based </li></ul></ul><ul><li>Database </li></ul><ul><ul><li>Linkage between the model and mass storage device </li></ul></ul><ul><ul><ul><li>Data model: Persistency of objects (LoD) </li></ul></ul></ul><ul><ul><li>Data Management tools </li></ul></ul><ul><ul><ul><li>Indexing </li></ul></ul></ul><ul><ul><ul><li>Transactions </li></ul></ul></ul><ul><ul><ul><li>Replication </li></ul></ul></ul><ul><ul><ul><li>Locking </li></ul></ul></ul><ul><ul><ul><li>Security </li></ul></ul></ul>
    28. 28. CityGRID: The advantages 2 Off-the-shelf model: faces CityGRID: line model CityGRID: faces generated on the fly
    29. 29. CityGRID Manager model structure Input line structure Corresponding 3D Model CityGRID: The advantages 3
    30. 30. CityGRID: The advantages 4 CityGRID Modeler tool:
    31. 31. CityGRID: The advantages 5 <ul><li>“ off-the-shelf ” models generated for a mass-market. File-based, these products in their own right are not maintainable… </li></ul>… .within City GRID they are. a snap-shot-in-time …. … a fully maintained digital city
    32. 32. CityGRID: The advantage 6 <ul><li>City GRID Manager: </li></ul><ul><li>Administration of all model buildings within the city </li></ul><ul><li>Many versions of model managed </li></ul><ul><li>Buildings accessed by address or AOI </li></ul><ul><li>Compatible with GIS data </li></ul>CityGRID Modeler: Display/Edit of 3D line-structure and Photo Texture of building Simulation (Local Area City Models) (e.g. City GRID Planner) 3D GIS Data (e.g. ArcScene/ArcGlobe) 2D GIS Data (e.g. ArcGIS) Structured 3D city model stored within a relational database “ Off the shelf” City Models Automatic Extraction of 3d line structure Visualization (3D Surface Models) (e.g. City GRID Explorer) CityGRID Modeler CityGRID Planner CityGRID Manager CityGRID Explorer
    33. 33. CityGRID: The advantages 7 <ul><li>Data Structure: </li></ul><ul><ul><li>Line based </li></ul></ul><ul><li>Database </li></ul><ul><ul><li>Linkage between the model and mass storage device </li></ul></ul><ul><ul><ul><li>Data model: Persistency of objects (LoD) </li></ul></ul></ul><ul><ul><li>Data Management tools </li></ul></ul><ul><ul><ul><li>Indexing </li></ul></ul></ul><ul><ul><ul><li>Transactions </li></ul></ul></ul><ul><ul><ul><li>Replication </li></ul></ul></ul><ul><ul><ul><li>Locking </li></ul></ul></ul><ul><ul><ul><li>Security </li></ul></ul></ul>
    34. 34. LoD 1 LoD 2 LoD 3 The Logic of CityGRID 1 Level of Detail (LoD):
    35. 35. The Logic of CityGRID 2 LOD: Scalable solutions according need Application: Data Source: Topographic mapping Aerial photogrammetry or airborne laser scanning LoD 1.5 Generalised Roof Model LoD 1 Block Model LoD 2 Roof Model LoD 3 Detailed Roof Model LoD 4 Interiors Aerial photogrammetry or airborne laser scanning Detailed aerial photogrammetry Façade photographs and 3D TLS of complex buildings Construction plans or surveying Noise protection, large area city planning Local area city planning, project development Project development, architectural documentation, cultural heritage. Homeland security, asset management
    36. 36. The Logic of CityGRID 3 Levels of hierarchy of a City GRID building Unit Object 2 Object 1 Object 3 Detail element complex Main element complex facade roof
    37. 37. The Logic of CityGRID 4 Units, Objects and Elements:
    38. 38. The Logic of CityGRID 5 Historical versions:
    39. 39. Types of urban development <ul><li>A. Historic Section of a Town </li></ul>
    40. 40. Types of urban development <ul><li>B. City centre area, closed building development </li></ul>
    41. 41. Types of urban development <ul><li>C. Suburb area, detached buildings </li></ul>
    42. 42. Types of urban development <ul><li>D. Residential areas, one-family houses </li></ul>
    43. 43. Types of urban development <ul><li>E. Landmark buildings </li></ul>
    44. 44. Summary <ul><li>City GRID gives you the tools to: </li></ul><ul><ul><li>keep your data safe; </li></ul></ul><ul><ul><li>Keep your data current; </li></ul></ul><ul><ul><li>Keep your data accessible; </li></ul></ul><ul><ul><li>Protect the investment made in the 3D data; </li></ul></ul><ul><ul><li>Save you money. </li></ul></ul>
    45. 45. Head Office: Southgate House, Pontefract Road Leeds, LS10 1SW Tel. 0113 200 8900 Austrian Office: Mooslackengasse 17 1190 Wien, Austria Tel. +43 1230 60 4160 

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