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#------------------------------------------------------------------------------# 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-B682C7BE721C479F0 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 AutoCad (release 12)0 string AC1013 AutoCad (release 13)0 string AC1014 AutoCad (release 14)# 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 library0 belong 0x0809fe02 Bentley/Intergraph MicroStation DGN vector CAD0 belong 0xc809fe02 Bentley/Intergraph MicroStation DGN vector CAD0 beshort 0x0809 Bentley/Intergraph MicroStation>0x02 byte 0xfe>>0x04 beshort 0x1800 CIT raster CAD0 string AC1012 AutoDesk AutoCAD R130 string AC1014 AutoDesk AutoCAD R14 0 string AC1015 AutoDesk AutoCAD R2000
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