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What does 'realistic' mean? 3D realisation...
What does 'realistic' mean? 3D realisation...
What does 'realistic' mean? 3D realisation...
What does 'realistic' mean? 3D realisation...
What does 'realistic' mean? 3D realisation...
What does 'realistic' mean? 3D realisation...
What does 'realistic' mean? 3D realisation...
What does 'realistic' mean? 3D realisation...
What does 'realistic' mean? 3D realisation...
What does 'realistic' mean? 3D realisation...
What does 'realistic' mean? 3D realisation...
What does 'realistic' mean? 3D realisation...
What does 'realistic' mean? 3D realisation...
What does 'realistic' mean? 3D realisation...
What does 'realistic' mean? 3D realisation...
What does 'realistic' mean? 3D realisation...
What does 'realistic' mean? 3D realisation...
What does 'realistic' mean? 3D realisation...
What does 'realistic' mean? 3D realisation...
What does 'realistic' mean? 3D realisation...
What does 'realistic' mean? 3D realisation...
What does 'realistic' mean? 3D realisation...
What does 'realistic' mean? 3D realisation...
What does 'realistic' mean? 3D realisation...
What does 'realistic' mean? 3D realisation...
What does 'realistic' mean? 3D realisation...
What does 'realistic' mean? 3D realisation...
What does 'realistic' mean? 3D realisation...
What does 'realistic' mean? 3D realisation...
What does 'realistic' mean? 3D realisation...
What does 'realistic' mean? 3D realisation...
What does 'realistic' mean? 3D realisation...
What does 'realistic' mean? 3D realisation...
What does 'realistic' mean? 3D realisation...
What does 'realistic' mean? 3D realisation...
What does 'realistic' mean? 3D realisation...
What does 'realistic' mean? 3D realisation...
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What does 'realistic' mean? 3D realisation...

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  • 1. CityGRID 2009 Intelligent 3D data management June 2010
  • 2. Session 4: Visualisation of Place What does ‘realistic’ mean? The issues relating to defining the accuracy of 3D digital representation of a place.
  • 3. “Is a national 3D data set a solution looking for a problem?” 26th May 2010 @ #ospe John Carpenter, Head of Product Management Ordnance Survey
  • 4. Source: Flickr / Digitalpimp
  • 5. Source: Flickr / I Like
  • 6. Source: Flickr / Ed Yourdon
  • 7. Source: Flickr / Wonderlane
  • 8. Source: Met Geo Info / City of Linz
  • 9. Source: PB / Eberhard
  • 10. Source: Flickr / DavidChief
  • 11. 3D Good / 2D Bad?
  • 12. • To improve decision making, and • To save time and money in the decision making process – Information management – Conservation – Urban planning – Public consultation
  • 13. Information Management
  • 14. Conservation
  • 15. Urban Planning
  • 16. Public Consultation
  • 17. Public Consultation
  • 18. Public Consultation
  • 19. Public Consultation
  • 20. Public Consultation • Solid models:
  • 21. Source: Met Geo Info / City of Zagreb
  • 22. Source: Flickr / Laineys Repetoire
  • 23. Position Source: Flickr / Betenoir
  • 24. Geometry Source: Flickr / Salvadhor
  • 25. Texture Source: Flickr / Miss Tessmacher
  • 26. Source: Met Geo Info / City of Glasgow
  • 27. Source: C3 Technologies / City of Vas
  • 28. Source: C3 Technologies / City of Vas
  • 29. Source: Flickr / Olivander
  • 30. • CityGML v.1.0 (August 2008) • OGC Standard • Developed & promoted by the 3DSIG
  • 31. Level of Detail (LoD): LoD 1 3 2
  • 32. LOD: Scalable solutions according need LoD 1 LoD 1.5 LoD 2 LoD 3 LoD 4 Block Model Generalised Roof Roof Model Detailed Roof Interiors Model Model Data Source: Aerial Aerial Detailed aerial Façade Construction plans photogrammetry or photogrammetry or photogrammetry photographs and or airborne laser airborne laser 3D TLS of surveying scanning scanning complex buildings Application: Noise protection, Topographic Local area city Project Homeland security, large area city mapping planning, development, asset management planning project architectural development documentation, cultural heritage.
  • 33. • CityGML v.1.0 (August 2008) • OGC Standard • Developed & promoted by the 3DSIG • Globally adopted? – IFC (BuildingSMART) – Integration with BIM
  • 34. Michael Schlosser (Geospatial Technical Specialist Autodesk) • “..3D GIS is about making it easier for the users of the information and not the CAD and GIS gurus. • “..It’s about an easier way to analyze, visualize and communicate information about our 3D world.”
  • 35. @rollohome

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