1#	$OpenBSD: cad,v 1.1 2004/06/03 03:14:19 tedu Exp $
2
3#------------------------------------------------------------------------------
4# autocad:  file(1) magic for cad files
5#
6
7# AutoCAD DWG versions R13/R14 (www.autodesk.com)
8# Written December 01, 2003 by Lester Hightower
9# Based on the DWG File Format Specifications at http://www.opendwg.org/
100	string	       \101\103\061\060\061		   AutoCAD
11>5	string	       \062\000\000\000\000		   DWG ver. R13
12>5	string	       \064\000\000\000\000		   DWG ver. R14
13
14# Microstation DGN/CIT Files (www.bentley.com)
15# Written October 30, 2003 by Lester Hightower
16# DGN is the default file extension of Microstation/Intergraph CAD files.
17# CIT is the proprietary raster format (similar to TIFF) used to attach
18# raster underlays to Microstation DGN (vector) drawings.
19#
20# http://www.wotsit.org/search.asp
21# http://filext.com/detaillist.php?extdetail=DGN
22# http://filext.com/detaillist.php?extdetail=CIT
23#
24# http://www.bentley.com/products/default.cfm?objectid=97F351F5-9C35-4E5E-89C2
25# 3F86C928&method=display&p_objectid=97F351F5-9C35-4E5E-89C280A93F86C928
26# http://www.bentley.com/products/default.cfm?objectid=A5C2FD43-3AC9-4C71-B682
27# 721C479F&method=display&p_objectid=A5C2FD43-3AC9-4C71-B682C7BE721C479F
280	string	       \010\011\376			   Microstation
29>3	string	       \002
30>>30	string	       \372\104				   DGN File
31>>30	string	       \172\104				   DGN File
32>>30	string	       \026\105				   DGN File
33>4	string	       \030\000\000			   CIT File
34
35# AutoCad, from Nahuel Greco
360	string AC1012	AutoCad (release 12)
370	string AC1014	AutoCad (release 14)
38