cad revision 133359
1 2#------------------------------------------------------------------------------ 3# autocad: file(1) magic for cad files 4# 5 6# AutoCAD DWG versions R13/R14 (www.autodesk.com) 7# Written December 01, 2003 by Lester Hightower 8# Based on the DWG File Format Specifications at http://www.opendwg.org/ 90 string \101\103\061\060\061 AutoCAD 10>5 string \062\000\000\000\000 DWG ver. R13 11>5 string \064\000\000\000\000 DWG ver. R14 12 13# Microstation DGN/CIT Files (www.bentley.com) 14# Written October 30, 2003 by Lester Hightower 15# DGN is the default file extension of Microstation/Intergraph CAD files. 16# CIT is the proprietary raster format (similar to TIFF) used to attach 17# raster underlays to Microstation DGN (vector) drawings. 18# 19# http://www.wotsit.org/search.asp 20# http://filext.com/detaillist.php?extdetail=DGN 21# http://filext.com/detaillist.php?extdetail=CIT 22# 23# http://www.bentley.com/products/default.cfm?objectid=97F351F5-9C35-4E5E-89C2 24# 3F86C928&method=display&p_objectid=97F351F5-9C35-4E5E-89C280A93F86C928 25# http://www.bentley.com/products/default.cfm?objectid=A5C2FD43-3AC9-4C71-B682 26# 721C479F&method=display&p_objectid=A5C2FD43-3AC9-4C71-B682C7BE721C479F 270 string \010\011\376 Microstation 28>3 string \002 29>>30 string \372\104 DGN File 30>>30 string \172\104 DGN File 31>>30 string \026\105 DGN File 32>4 string \030\000\000 CIT File 33 34# AutoCad, from Nahuel Greco 350 string AC1012 AutoCad (release 12) 360 string AC1014 AutoCad (release 14) 37