1 2#------------------------------------------------------------------------------ 3# $File: cad,v 1.13 2014/03/23 18:05:38 christos Exp $ 4# autocad: file(1) magic for cad files 5# 6 7# Microstation DGN/CIT Files (www.bentley.com) 8# Last updated July 29, 2005 by Lester Hightower 9# DGN is the default file extension of Microstation/Intergraph CAD files. 10# CIT is the proprietary raster format (similar to TIFF) used to attach 11# raster underlays to Microstation DGN (vector) drawings. 12# 13# http://www.wotsit.org/search.asp 14# http://filext.com/detaillist.php?extdetail=DGN 15# http://filext.com/detaillist.php?extdetail=CIT 16# 17# http://www.bentley.com/products/default.cfm?objectid=97F351F5-9C35-4E5E-89C2 18# 3F86C928&method=display&p_objectid=97F351F5-9C35-4E5E-89C280A93F86C928 19# http://www.bentley.com/products/default.cfm?objectid=A5C2FD43-3AC9-4C71-B682 20# 721C479F&method=display&p_objectid=A5C2FD43-3AC9-4C71-B682C7BE721C479F 210 string \010\011\376 Microstation 22>3 string \002 23>>30 string \026\105 DGNFile 24>>30 string \034\105 DGNFile 25>>30 string \073\107 DGNFile 26>>30 string \073\110 DGNFile 27>>30 string \106\107 DGNFile 28>>30 string \110\103 DGNFile 29>>30 string \120\104 DGNFile 30>>30 string \172\104 DGNFile 31>>30 string \172\105 DGNFile 32>>30 string \172\106 DGNFile 33>>30 string \234\106 DGNFile 34>>30 string \273\105 DGNFile 35>>30 string \306\106 DGNFile 36>>30 string \310\104 DGNFile 37>>30 string \341\104 DGNFile 38>>30 string \372\103 DGNFile 39>>30 string \372\104 DGNFile 40>>30 string \372\106 DGNFile 41>>30 string \376\103 DGNFile 42>4 string \030\000\000 CITFile 43>4 string \030\000\003 CITFile 44 45# AutoCAD 46# Merge of the different contributions and updates from http://en.wikipedia.org/wiki/Dwg 47# and http://www.iana.org/assignments/media-types/image/vnd.dwg 480 string MC0.0 DWG AutoDesk AutoCAD Release 1.0 49!:mime image/vnd.dwg 500 string AC1.2 DWG AutoDesk AutoCAD Release 1.2 51!:mime image/vnd.dwg 520 string AC1.3 DWG AutoDesk AutoCAD Release 1.3 53!:mime image/vnd.dwg 540 string AC1.40 DWG AutoDesk AutoCAD Release 1.40 55!:mime image/vnd.dwg 560 string AC1.50 DWG AutoDesk AutoCAD Release 2.05 57!:mime image/vnd.dwg 580 string AC2.10 DWG AutoDesk AutoCAD Release 2.10 59!:mime image/vnd.dwg 600 string AC2.21 DWG AutoDesk AutoCAD Release 2.21 61!:mime image/vnd.dwg 620 string AC2.22 DWG AutoDesk AutoCAD Release 2.22 63!:mime image/vnd.dwg 640 string AC1001 DWG AutoDesk AutoCAD Release 2.22 65!:mime image/vnd.dwg 660 string AC1002 DWG AutoDesk AutoCAD Release 2.50 67!:mime image/vnd.dwg 680 string AC1003 DWG AutoDesk AutoCAD Release 2.60 69!:mime image/vnd.dwg 700 string AC1004 DWG AutoDesk AutoCAD Release 9 71!:mime image/vnd.dwg 720 string AC1006 DWG AutoDesk AutoCAD Release 10 73!:mime image/vnd.dwg 740 string AC1009 DWG AutoDesk AutoCAD Release 11/12 75!:mime image/vnd.dwg 76# AutoCAD DWG versions R13/R14 (www.autodesk.com) 77# Written December 01, 2003 by Lester Hightower 78# Based on the DWG File Format Specifications at http://www.opendwg.org/ 79# AutoCad, from Nahuel Greco 80# AutoCAD DWG versions R12/R13/R14 (www.autodesk.com) 810 string AC1012 DWG AutoDesk AutoCAD Release 13 82!:mime image/vnd.dwg 830 string AC1014 DWG AutoDesk AutoCAD Release 14 84!:mime image/vnd.dwg 850 string AC1015 DWG AutoDesk AutoCAD 2000/2002 86!:mime image/vnd.dwg 87 88# A new version of AutoCAD DWG 89# Sergey Zaykov (mail_of_sergey@mail.ru, sergey_zaikov@rambler.ru, 90# ICQ 358572321) 91# From various sources like: 92# http://autodesk.blogs.com/between_the_lines/autocad-release-history.html 930 string AC1018 DWG AutoDesk AutoCAD 2004/2005/2006 94!:mime image/vnd.dwg 950 string AC1021 DWG AutoDesk AutoCAD 2007/2008/2009 96!:mime image/vnd.dwg 970 string AC1024 DWG AutoDesk AutoCAD 2010/2011/2012 98!:mime image/vnd.dwg 990 string AC1027 DWG AutoDesk AutoCAD 2013/2014 100!:mime image/vnd.dwg 101 102# KOMPAS 2D drawing from ASCON 103# This is KOMPAS 2D drawing or fragment of drawing but is not detailed nor 104# gathered nor specification 105# ASCON http://ascon.net/main/ in English, 106# http://ascon.ru/ main site in Russian 107# Extension is CDW for drawing and FRW for fragment of drawing 108# Sergey Zaykov (mail_of_sergey@mail.ru, sergey_zaikov@rambler.ru, 109# ICQ 358572321, http://vkontakte.ru/id16076543) 110# From: 111# http://sd.ascon.ru/otrs/customer.pl?Action=CustomerFAQ&CategoryID=4&ItemID=292 112# (in russian) and my experiments 1130 string KF 114>2 belong 0x4E00000C Kompas drawing 12.0 SP1 115>2 belong 0x4D00000C Kompas drawing 12.0 116>2 belong 0x3200000B Kompas drawing 11.0 SP1 117>2 belong 0x3100000B Kompas drawing 11.0 118>2 belong 0x2310000A Kompas drawing 10.0 SP1 119>2 belong 0x2110000A Kompas drawing 10.0 120>2 belong 0x08000009 Kompas drawing 9.0 SP1 121>2 belong 0x05000009 Kompas drawing 9.0 122>2 belong 0x33010008 Kompas drawing 8+ 123>2 belong 0x1A000008 Kompas drawing 8.0 124>2 belong 0x2C010107 Kompas drawing 7+ 125>2 belong 0x05000007 Kompas drawing 7.0 126>2 belong 0x32000006 Kompas drawing 6+ 127>2 belong 0x09000006 Kompas drawing 6.0 128>2 belong 0x5C009005 Kompas drawing 5.11R03 129>2 belong 0x54009005 Kompas drawing 5.11R02 130>2 belong 0x51009005 Kompas drawing 5.11R01 131>2 belong 0x22009005 Kompas drawing 5.10R03 132>2 belong 0x22009005 Kompas drawing 5.10R02 mar 133>2 belong 0x21009005 Kompas drawing 5.10R02 febr 134>2 belong 0x19009005 Kompas drawing 5.10R01 135>2 belong 0xF4008005 Kompas drawing 5.9R01.003 136>2 belong 0x1C008005 Kompas drawing 5.9R01.002 137>2 belong 0x11008005 Kompas drawing 5.8R01.003 138 139# CAD: file(1) magic for computer aided design files 140# Phillip Griffith <phillip dot griffith at gmail dot com> 141# AutoCAD magic taken from the Open Design Alliance's OpenDWG specifications. 142# 1430 belong 0x08051700 Bentley/Intergraph MicroStation DGN cell library 1440 belong 0x0809fe02 Bentley/Intergraph MicroStation DGN vector CAD 1450 belong 0xc809fe02 Bentley/Intergraph MicroStation DGN vector CAD 1460 beshort 0x0809 Bentley/Intergraph MicroStation 147>0x02 byte 0xfe 148>>0x04 beshort 0x1800 CIT raster CAD 149 150# 3DS (3d Studio files) Conflicts with diff output 0x3d '=' 151#16 beshort 0x3d3d image/x-3ds 152 153# MegaCAD 2D/3D drawing (.prt) 154# http://megacad.de/ 155# From: Markus Heidelberg <markus.heidelberg@web.de> 1560 string MegaCad23\0 MegaCAD 2D/3D drawing 157