Day 1, Papers 1, dish2009 Vanstappen

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  • 1. Born digital 3D objects: in search of an open format Presentation held at DISH2009 Henk Vanstappen, NAi
  • 2. 0_Contents • Preservation strategy for born digital • Preservation formats for 3D CAD models • Desiminiation formats for 3D models • Some conclusions
  • 3. 1_Preservation strategy
  • 4. 1_Information level dilemma • Intellectual content Open formats • Look & feel • Functionality Proprietary formats • Integrity • Software Emulation • Hardware Computer museum
  • 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. 2_Case: Van Abbemuseum Ca. 1994 Windows 3.1 AutoCAD Floppy 3.5
  • 7. 3_Identify formats • Identify OS / software / format / version • Pronom database • DROID
  • 8. 3_Identify formats: DROID
  • 9. 3_Identify formats: Pronom
  • 10. 4_Reading files: AutoCAD 2008
  • 11. 4_Reading files: Rhino
  • 12. 4_Reading files: DWG Viewer
  • 13. 4_Reading files: ArchiCAD
  • 14. 4_Reading files: ArchiCAD
  • 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. 5_Dissemination format Wishlist: • Open format • Browser independent • No plugins • High information level
  • 17. 5_Raster image: JPG
  • 18. 5_MPEG
  • 19. 5_DWF in IE
  • 20. 5_DWF in Freewheel
  • 21. 5_DWF in Freewheel
  • 22. 5_Sketchup
  • 23. 5_GoogleEarth
  • 24. 6_Conclusions • Use multiple preservation standards • Need for open preservation standard • Need for open dissemination standard • Technology watch • Information loss is inevitable
  • 25. Questions ? Digitaliseringsbeleid NAi 25