Day 1, Papers 1, dish2009 Vanstappen

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Day 1, Papers 1, dish2009 Vanstappen

  1. 1. Born digital 3D objects: in search of an open format Presentation held at DISH2009 Henk Vanstappen, NAi
  2. 2. 0_Contents • Preservation strategy for born digital • Preservation formats for 3D CAD models • Desiminiation formats for 3D models • Some conclusions
  3. 3. 1_Preservation strategy
  4. 4. 1_Information level dilemma • Intellectual content Open formats • Look & feel • Functionality Proprietary formats • Integrity • Software Emulation • Hardware Computer museum
  5. 5. 1_Preservation strategy Best practice: • Keep original file as is • Migrate to preservation format(s) • Migrate to dissemination format • Preservation metadata • Safe storage
  6. 6. 2_Case: Van Abbemuseum Ca. 1994 Windows 3.1 AutoCAD Floppy 3.5
  7. 7. 3_Identify formats • Identify OS / software / format / version • Pronom database • DROID
  8. 8. 3_Identify formats: DROID
  9. 9. 3_Identify formats: Pronom
  10. 10. 4_Reading files: AutoCAD 2008
  11. 11. 4_Reading files: Rhino
  12. 12. 4_Reading files: DWG Viewer
  13. 13. 4_Reading files: ArchiCAD
  14. 14. 4_Reading files: ArchiCAD
  15. 15. 4_Preservation format • IGES, STEP, DXF, OpenDWG, PDF, PDF/A, X3D, SVG, COLLADA, ... • Future developments ? • None supports all features • None supports all translations
  16. 16. 5_Dissemination format Wishlist: • Open format • Browser independent • No plugins • High information level
  17. 17. 5_Raster image: JPG
  18. 18. 5_MPEG
  19. 19. 5_DWF in IE
  20. 20. 5_DWF in Freewheel
  21. 21. 5_DWF in Freewheel
  22. 22. 5_Sketchup
  23. 23. 5_GoogleEarth
  24. 24. 6_Conclusions • Use multiple preservation standards • Need for open preservation standard • Need for open dissemination standard • Technology watch • Information loss is inevitable
  25. 25. Questions ? Digitaliseringsbeleid NAi 25

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