cad revision 133359
1133359Sobrien 2133359Sobrien#------------------------------------------------------------------------------ 3133359Sobrien# autocad: file(1) magic for cad files 4133359Sobrien# 5133359Sobrien 6133359Sobrien# AutoCAD DWG versions R13/R14 (www.autodesk.com) 7133359Sobrien# Written December 01, 2003 by Lester Hightower 8133359Sobrien# Based on the DWG File Format Specifications at http://www.opendwg.org/ 9133359Sobrien0 string \101\103\061\060\061 AutoCAD 10133359Sobrien>5 string \062\000\000\000\000 DWG ver. R13 11133359Sobrien>5 string \064\000\000\000\000 DWG ver. R14 12133359Sobrien 13133359Sobrien# Microstation DGN/CIT Files (www.bentley.com) 14133359Sobrien# Written October 30, 2003 by Lester Hightower 15133359Sobrien# DGN is the default file extension of Microstation/Intergraph CAD files. 16133359Sobrien# CIT is the proprietary raster format (similar to TIFF) used to attach 17133359Sobrien# raster underlays to Microstation DGN (vector) drawings. 18133359Sobrien# 19133359Sobrien# http://www.wotsit.org/search.asp 20133359Sobrien# http://filext.com/detaillist.php?extdetail=DGN 21133359Sobrien# http://filext.com/detaillist.php?extdetail=CIT 22133359Sobrien# 23133359Sobrien# http://www.bentley.com/products/default.cfm?objectid=97F351F5-9C35-4E5E-89C2 24133359Sobrien# 3F86C928&method=display&p_objectid=97F351F5-9C35-4E5E-89C280A93F86C928 25133359Sobrien# http://www.bentley.com/products/default.cfm?objectid=A5C2FD43-3AC9-4C71-B682 26133359Sobrien# 721C479F&method=display&p_objectid=A5C2FD43-3AC9-4C71-B682C7BE721C479F 27133359Sobrien0 string \010\011\376 Microstation 28133359Sobrien>3 string \002 29133359Sobrien>>30 string \372\104 DGN File 30133359Sobrien>>30 string \172\104 DGN File 31133359Sobrien>>30 string \026\105 DGN File 32133359Sobrien>4 string \030\000\000 CIT File 33133359Sobrien 34133359Sobrien# AutoCad, from Nahuel Greco 35133359Sobrien0 string AC1012 AutoCad (release 12) 36133359Sobrien0 string AC1014 AutoCad (release 14) 37