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
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