
#------------------------------------------------------------------------------
# $File: cad,v 1.10 2010/12/25 14:33:43 christos Exp $
# autocad:  file(1) magic for cad files
#

# 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/
0	string	       \101\103\061\060\061		   AutoCAD
>5	string	       \062\000\000\000\000		   DWG ver. R13
>5	string	       \064\000\000\000\000		   DWG ver. R14

# 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, from Nahuel Greco
# AutoCAD DWG versions R12/R13/R14 (www.autodesk.com)
0	string	AC1012		DWG AutoDesk AutoCad (release 12)
0	string	AC1013		DWG AutoDesk AutoCad (release 13)
0	string	AC1014		DWG AutoDesk AutoCad (release 14)
# 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
0	string	AC1021 		DWG AutoDesk AutoCAD 2007/2008/2009
0	string	AC1024 		DWG AutoDesk AutoCAD 2010/2011

# 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
0	string	AC1012		AutoDesk AutoCAD R13
0	string	AC1014		AutoDesk AutoCAD R14 
0	string	AC1015		AutoDesk AutoCAD R2000
