cad 1.5 KB

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  1. #------------------------------------------------------------------------------
  2. # autocad: file(1) magic for cad files
  3. #
  4. # AutoCAD DWG versions R13/R14 (www.autodesk.com)
  5. # Written December 01, 2003 by Lester Hightower
  6. # Based on the DWG File Format Specifications at http://www.opendwg.org/
  7. 0 string \101\103\061\060\061 AutoCAD
  8. >5 string \062\000\000\000\000 DWG ver. R13
  9. >5 string \064\000\000\000\000 DWG ver. R14
  10. # Microstation DGN/CIT Files (www.bentley.com)
  11. # Written October 30, 2003 by Lester Hightower
  12. # DGN is the default file extension of Microstation/Intergraph CAD files.
  13. # CIT is the proprietary raster format (similar to TIFF) used to attach
  14. # raster underlays to Microstation DGN (vector) drawings.
  15. #
  16. # http://www.wotsit.org/search.asp
  17. # http://filext.com/detaillist.php?extdetail=DGN
  18. # http://filext.com/detaillist.php?extdetail=CIT
  19. #
  20. # http://www.bentley.com/products/default.cfm?objectid=97F351F5-9C35-4E5E-89C2
  21. # 3F86C928&method=display&p_objectid=97F351F5-9C35-4E5E-89C280A93F86C928
  22. # http://www.bentley.com/products/default.cfm?objectid=A5C2FD43-3AC9-4C71-B682
  23. # 721C479F&method=display&p_objectid=A5C2FD43-3AC9-4C71-B682C7BE721C479F
  24. 0 string \010\011\376 Microstation
  25. >3 string \002
  26. >>30 string \372\104 DGN File
  27. >>30 string \172\104 DGN File
  28. >>30 string \026\105 DGN File
  29. >4 string \030\000\000 CIT File
  30. # AutoCad, from Nahuel Greco
  31. 0 string AC1012 AutoCad (release 12)
  32. 0 string AC1014 AutoCad (release 14)