#------------------------------------------------------------------------------ # $File: cad,v 1.15 2017/06/24 15:24:56 christos Exp $ # autocad: file(1) magic for cad files # # Microstation DGN/CIT Files (www.bentley.com) # Last updated July 29, 2005 by Lester Hightower # DGN is the default file extension of Microstation/Intergraph CAD files. # CIT is the proprietary raster format (similar to TIFF) used to attach # raster underlays to Microstation DGN (vector) drawings. # # http://www.wotsit.org/search.asp # http://filext.com/detaillist.php?extdetail=DGN # http://filext.com/detaillist.php?extdetail=CIT # # http://www.bentley.com/products/default.cfm?objectid=97F351F5-9C35-4E5E-89C2 # 3F86C928&method=display&p_objectid=97F351F5-9C35-4E5E-89C280A93F86C928 # http://www.bentley.com/products/default.cfm?objectid=A5C2FD43-3AC9-4C71-B682 # 721C479F&method=display&p_objectid=A5C2FD43-3AC9-4C71-B682C7BE721C479F 0 string \010\011\376 Microstation >3 string \002 >>30 string \026\105 DGNFile >>30 string \034\105 DGNFile >>30 string \073\107 DGNFile >>30 string \073\110 DGNFile >>30 string \106\107 DGNFile >>30 string \110\103 DGNFile >>30 string \120\104 DGNFile >>30 string \172\104 DGNFile >>30 string \172\105 DGNFile >>30 string \172\106 DGNFile >>30 string \234\106 DGNFile >>30 string \273\105 DGNFile >>30 string \306\106 DGNFile >>30 string \310\104 DGNFile >>30 string \341\104 DGNFile >>30 string \372\103 DGNFile >>30 string \372\104 DGNFile >>30 string \372\106 DGNFile >>30 string \376\103 DGNFile >4 string \030\000\000 CITFile >4 string \030\000\003 CITFile # AutoCAD # Merge of the different contributions and updates from http://en.wikipedia.org/wiki/Dwg # and http://www.iana.org/assignments/media-types/image/vnd.dwg 0 string MC0.0 DWG AutoDesk AutoCAD Release 1.0 !:mime image/vnd.dwg 0 string AC1.2 DWG AutoDesk AutoCAD Release 1.2 !:mime image/vnd.dwg 0 string AC1.3 DWG AutoDesk AutoCAD Release 1.3 !:mime image/vnd.dwg 0 string AC1.40 DWG AutoDesk AutoCAD Release 1.40 !:mime image/vnd.dwg 0 string AC1.50 DWG AutoDesk AutoCAD Release 2.05 !:mime image/vnd.dwg 0 string AC2.10 DWG AutoDesk AutoCAD Release 2.10 !:mime image/vnd.dwg 0 string AC2.21 DWG AutoDesk AutoCAD Release 2.21 !:mime image/vnd.dwg 0 string AC2.22 DWG AutoDesk AutoCAD Release 2.22 !:mime image/vnd.dwg 0 string AC1001 DWG AutoDesk AutoCAD Release 2.22 !:mime image/vnd.dwg 0 string AC1002 DWG AutoDesk AutoCAD Release 2.50 !:mime image/vnd.dwg 0 string AC1003 DWG AutoDesk AutoCAD Release 2.60 !:mime image/vnd.dwg 0 string AC1004 DWG AutoDesk AutoCAD Release 9 !:mime image/vnd.dwg 0 string AC1006 DWG AutoDesk AutoCAD Release 10 !:mime image/vnd.dwg 0 string AC1009 DWG AutoDesk AutoCAD Release 11/12 !:mime image/vnd.dwg # AutoCAD DWG versions R13/R14 (www.autodesk.com) # Written December 01, 2003 by Lester Hightower # Based on the DWG File Format Specifications at http://www.opendwg.org/ # AutoCad, from Nahuel Greco # AutoCAD DWG versions R12/R13/R14 (www.autodesk.com) 0 string AC1012 DWG AutoDesk AutoCAD Release 13 !:mime image/vnd.dwg 0 string AC1014 DWG AutoDesk AutoCAD Release 14 !:mime image/vnd.dwg 0 string AC1015 DWG AutoDesk AutoCAD 2000/2002 !:mime image/vnd.dwg # A new version of AutoCAD DWG # Sergey Zaykov (mail_of_sergey@mail.ru, sergey_zaikov@rambler.ru, # ICQ 358572321) # From various sources like: # http://autodesk.blogs.com/between_the_lines/autocad-release-history.html 0 string AC1018 DWG AutoDesk AutoCAD 2004/2005/2006 !:mime image/vnd.dwg 0 string AC1021 DWG AutoDesk AutoCAD 2007/2008/2009 !:mime image/vnd.dwg 0 string AC1024 DWG AutoDesk AutoCAD 2010/2011/2012 !:mime image/vnd.dwg 0 string AC1027 DWG AutoDesk AutoCAD 2013/2014 !:mime image/vnd.dwg # KOMPAS 2D drawing from ASCON # This is KOMPAS 2D drawing or fragment of drawing but is not detailed nor # gathered nor specification # ASCON http://ascon.net/main/ in English, # http://ascon.ru/ main site in Russian # Extension is CDW for drawing and FRW for fragment of drawing # Sergey Zaykov (mail_of_sergey@mail.ru, sergey_zaikov@rambler.ru, # ICQ 358572321, http://vkontakte.ru/id16076543) # From: # http://sd.ascon.ru/otrs/customer.pl?Action=CustomerFAQ&CategoryID=4&ItemID=292 # (in russian) and my experiments 0 string KF >2 belong 0x4E00000C Kompas drawing 12.0 SP1 >2 belong 0x4D00000C Kompas drawing 12.0 >2 belong 0x3200000B Kompas drawing 11.0 SP1 >2 belong 0x3100000B Kompas drawing 11.0 >2 belong 0x2310000A Kompas drawing 10.0 SP1 >2 belong 0x2110000A Kompas drawing 10.0 >2 belong 0x08000009 Kompas drawing 9.0 SP1 >2 belong 0x05000009 Kompas drawing 9.0 >2 belong 0x33010008 Kompas drawing 8+ >2 belong 0x1A000008 Kompas drawing 8.0 >2 belong 0x2C010107 Kompas drawing 7+ >2 belong 0x05000007 Kompas drawing 7.0 >2 belong 0x32000006 Kompas drawing 6+ >2 belong 0x09000006 Kompas drawing 6.0 >2 belong 0x5C009005 Kompas drawing 5.11R03 >2 belong 0x54009005 Kompas drawing 5.11R02 >2 belong 0x51009005 Kompas drawing 5.11R01 >2 belong 0x22009005 Kompas drawing 5.10R03 >2 belong 0x22009005 Kompas drawing 5.10R02 mar >2 belong 0x21009005 Kompas drawing 5.10R02 febr >2 belong 0x19009005 Kompas drawing 5.10R01 >2 belong 0xF4008005 Kompas drawing 5.9R01.003 >2 belong 0x1C008005 Kompas drawing 5.9R01.002 >2 belong 0x11008005 Kompas drawing 5.8R01.003 # CAD: file(1) magic for computer aided design files # Phillip Griffith <phillip dot griffith at gmail dot com> # AutoCAD magic taken from the Open Design Alliance's OpenDWG specifications. # 0 belong 0x08051700 Bentley/Intergraph MicroStation DGN cell library 0 belong 0x0809fe02 Bentley/Intergraph MicroStation DGN vector CAD 0 belong 0xc809fe02 Bentley/Intergraph MicroStation DGN vector CAD 0 beshort 0x0809 Bentley/Intergraph MicroStation >0x02 byte 0xfe >>0x04 beshort 0x1800 CIT raster CAD # 3DS (3d Studio files) 0 leshort 0x4d4d >6 leshort 0x2 >>8 lelong 0xa >>>16 leshort 0x3d3d 3D Studio model !:mime image/x-3ds !:extension 3ds # MegaCAD 2D/3D drawing (.prt) # http://megacad.de/ # From: Markus Heidelberg <markus.heidelberg@web.de> 0 string MegaCad23\0 MegaCAD 2D/3D drawing