1133359Sobrien 2133359Sobrien#------------------------------------------------------------------------------ 3234449Sobrien# $File: cad,v 1.11 2011/12/08 12:12:46 rrt Exp $ 4133359Sobrien# autocad: file(1) magic for cad files 5133359Sobrien# 6133359Sobrien 7133359Sobrien# AutoCAD DWG versions R13/R14 (www.autodesk.com) 8133359Sobrien# Written December 01, 2003 by Lester Hightower 9133359Sobrien# Based on the DWG File Format Specifications at http://www.opendwg.org/ 10133359Sobrien0 string \101\103\061\060\061 AutoCAD 11133359Sobrien>5 string \062\000\000\000\000 DWG ver. R13 12133359Sobrien>5 string \064\000\000\000\000 DWG ver. R14 13133359Sobrien 14133359Sobrien# Microstation DGN/CIT Files (www.bentley.com) 15159764Sobrien# Last updated July 29, 2005 by Lester Hightower 16133359Sobrien# DGN is the default file extension of Microstation/Intergraph CAD files. 17133359Sobrien# CIT is the proprietary raster format (similar to TIFF) used to attach 18133359Sobrien# raster underlays to Microstation DGN (vector) drawings. 19133359Sobrien# 20133359Sobrien# http://www.wotsit.org/search.asp 21133359Sobrien# http://filext.com/detaillist.php?extdetail=DGN 22133359Sobrien# http://filext.com/detaillist.php?extdetail=CIT 23133359Sobrien# 24133359Sobrien# http://www.bentley.com/products/default.cfm?objectid=97F351F5-9C35-4E5E-89C2 25133359Sobrien# 3F86C928&method=display&p_objectid=97F351F5-9C35-4E5E-89C280A93F86C928 26133359Sobrien# http://www.bentley.com/products/default.cfm?objectid=A5C2FD43-3AC9-4C71-B682 27133359Sobrien# 721C479F&method=display&p_objectid=A5C2FD43-3AC9-4C71-B682C7BE721C479F 28159764Sobrien0 string \010\011\376 Microstation 29159764Sobrien>3 string \002 30159764Sobrien>>30 string \026\105 DGNFile 31159764Sobrien>>30 string \034\105 DGNFile 32159764Sobrien>>30 string \073\107 DGNFile 33159764Sobrien>>30 string \073\110 DGNFile 34159764Sobrien>>30 string \106\107 DGNFile 35159764Sobrien>>30 string \110\103 DGNFile 36159764Sobrien>>30 string \120\104 DGNFile 37159764Sobrien>>30 string \172\104 DGNFile 38159764Sobrien>>30 string \172\105 DGNFile 39169942Sobrien>>30 string \172\106 DGNFile 40159764Sobrien>>30 string \234\106 DGNFile 41159764Sobrien>>30 string \273\105 DGNFile 42159764Sobrien>>30 string \306\106 DGNFile 43159764Sobrien>>30 string \310\104 DGNFile 44159764Sobrien>>30 string \341\104 DGNFile 45159764Sobrien>>30 string \372\103 DGNFile 46159764Sobrien>>30 string \372\104 DGNFile 47159764Sobrien>>30 string \372\106 DGNFile 48159764Sobrien>>30 string \376\103 DGNFile 49159764Sobrien>4 string \030\000\000 CITFile 50159764Sobrien>4 string \030\000\003 CITFile 51133359Sobrien 52133359Sobrien# AutoCad, from Nahuel Greco 53159764Sobrien# AutoCAD DWG versions R12/R13/R14 (www.autodesk.com) 54234449Sobrien0 string AC1012 DWG AutoDesk AutoCad (release 12) 55234449Sobrien0 string AC1013 DWG AutoDesk AutoCad (release 13) 56234449Sobrien0 string AC1014 DWG AutoDesk AutoCad (release 14) 57234449Sobrien# A new version of AutoCAD DWG 58234449Sobrien# Sergey Zaykov (mail_of_sergey@mail.ru, sergey_zaikov@rambler.ru, 59234449Sobrien# ICQ 358572321) 60234449Sobrien# From various sources like: 61234449Sobrien# http://autodesk.blogs.com/between_the_lines/autocad-release-history.html 62234449Sobrien0 string AC1018 DWG AutoDesk AutoCAD 2004/2005/2006 63234449Sobrien0 string AC1021 DWG AutoDesk AutoCAD 2007/2008/2009 64234449Sobrien0 string AC1024 DWG AutoDesk AutoCAD 2010/2011 65169942Sobrien 66234449Sobrien# KOMPAS 2D drawing from ASCON 67234449Sobrien# This is KOMPAS 2D drawing or fragment of drawing but is not detailed nor 68234449Sobrien# gathered nor specification 69234449Sobrien# ASCON http://ascon.net/main/ in English, 70234449Sobrien# http://ascon.ru/ main site in Russian 71234449Sobrien# Extension is CDW for drawing and FRW for fragment of drawing 72234449Sobrien# Sergey Zaykov (mail_of_sergey@mail.ru, sergey_zaikov@rambler.ru, 73234449Sobrien# ICQ 358572321, http://vkontakte.ru/id16076543) 74234449Sobrien# From: 75234449Sobrien# http://sd.ascon.ru/otrs/customer.pl?Action=CustomerFAQ&CategoryID=4&ItemID=292 76234449Sobrien# (in russian) and my experiments 77234449Sobrien0 string KF 78234449Sobrien>2 belong 0x4E00000C Kompas drawing 12.0 SP1 79234449Sobrien>2 belong 0x4D00000C Kompas drawing 12.0 80234449Sobrien>2 belong 0x3200000B Kompas drawing 11.0 SP1 81234449Sobrien>2 belong 0x3100000B Kompas drawing 11.0 82234449Sobrien>2 belong 0x2310000A Kompas drawing 10.0 SP1 83234449Sobrien>2 belong 0x2110000A Kompas drawing 10.0 84234449Sobrien>2 belong 0x08000009 Kompas drawing 9.0 SP1 85234449Sobrien>2 belong 0x05000009 Kompas drawing 9.0 86234449Sobrien>2 belong 0x33010008 Kompas drawing 8+ 87234449Sobrien>2 belong 0x1A000008 Kompas drawing 8.0 88234449Sobrien>2 belong 0x2C010107 Kompas drawing 7+ 89234449Sobrien>2 belong 0x05000007 Kompas drawing 7.0 90234449Sobrien>2 belong 0x32000006 Kompas drawing 6+ 91234449Sobrien>2 belong 0x09000006 Kompas drawing 6.0 92234449Sobrien>2 belong 0x5C009005 Kompas drawing 5.11R03 93234449Sobrien>2 belong 0x54009005 Kompas drawing 5.11R02 94234449Sobrien>2 belong 0x51009005 Kompas drawing 5.11R01 95234449Sobrien>2 belong 0x22009005 Kompas drawing 5.10R03 96234449Sobrien>2 belong 0x22009005 Kompas drawing 5.10R02 mar 97234449Sobrien>2 belong 0x21009005 Kompas drawing 5.10R02 febr 98234449Sobrien>2 belong 0x19009005 Kompas drawing 5.10R01 99234449Sobrien>2 belong 0xF4008005 Kompas drawing 5.9R01.003 100234449Sobrien>2 belong 0x1C008005 Kompas drawing 5.9R01.002 101234449Sobrien>2 belong 0x11008005 Kompas drawing 5.8R01.003 102234449Sobrien 103169942Sobrien# CAD: file(1) magic for computer aided design files 104169942Sobrien# Phillip Griffith <phillip dot griffith at gmail dot com> 105169942Sobrien# AutoCAD magic taken from the Open Design Alliance's OpenDWG specifications. 106169942Sobrien# 107169942Sobrien0 belong 0x08051700 Bentley/Intergraph MicroStation DGN cell library 108169942Sobrien0 belong 0x0809fe02 Bentley/Intergraph MicroStation DGN vector CAD 109169942Sobrien0 belong 0xc809fe02 Bentley/Intergraph MicroStation DGN vector CAD 110169942Sobrien0 beshort 0x0809 Bentley/Intergraph MicroStation 111169942Sobrien>0x02 byte 0xfe 112169942Sobrien>>0x04 beshort 0x1800 CIT raster CAD 113169942Sobrien0 string AC1012 AutoDesk AutoCAD R13 114169942Sobrien0 string AC1014 AutoDesk AutoCAD R14 115169942Sobrien0 string AC1015 AutoDesk AutoCAD R2000 116234449Sobrien 117234449Sobrien# 3DS (3d Studio files) Conflicts with diff output 0x3d '=' 118234449Sobrien#16 beshort 0x3d3d image/x-3ds 119