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Autocad 2011 DXF Reference

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Autocad 2011 DXF Reference AutoCAD 2011 DXF Reference February 2010 © 2010 Autodesk, Inc. All Rights Reserved. Except as otherwise permitted by Autodesk, Inc., this publication, or parts thereof, may not be reproduced in any form, by any method, for any purpose. Certain materials included in this publication are reprinted with the permission of the copyright holder. Trademarks The following are registered trademarks or trademarks of Autodesk, Inc., and/or its subsidiaries and/or affiliates in the USA and other countries: 3DEC (design/logo), 3December, 3December.com, 3ds Max, Algor, Alias, Alias (swirl design/logo), AliasStudio, Alias|Wavefront (design/logo), ATC, AUGI, AutoCAD, AutoCAD Learning Assistance, AutoCAD LT, AutoCAD Simulator, AutoCAD SQL Extension, AutoCAD SQL Interface, Autodesk, Autodesk Envision, Autodesk Intent, Autodesk Inventor, Autodesk Map, Autodesk MapGuide, Autodesk Streamline, AutoLISP, AutoSnap, AutoSketch, AutoTrack, Backburner, Backdraft, Built with ObjectARX (logo), Burn, Buzzsaw, CAiCE, Civil 3D, Cleaner, Cleaner Central, ClearScale, Colour Warper, Combustion, Communication Specification, Constructware, Content Explorer, Dancing Baby (image), DesignCenter, Design Doctor, Designer's Toolkit, DesignKids, DesignProf, DesignServer, DesignStudio, Design Web Format, Discreet, DWF, DWG, DWG (logo), DWG Extreme, DWG TrueConvert, DWG TrueView, DXF, Ecotect, Exposure, Extending the Design Team, Face Robot, FBX, Fempro, Fire, Flame, Flare, Flint, FMDesktop, Freewheel, GDX Driver, Green Building Studio, Heads-up Design, Heidi, HumanIK, IDEA Server, i-drop, ImageModeler, iMOUT, Incinerator, Inferno, Inventor, Inventor LT, Kaydara, Kaydara (design/logo), Kynapse, Kynogon, LandXplorer, Lustre, MatchMover, Maya, Mechanical Desktop, Moldflow, Moonbox, MotionBuilder, Movimento, MPA, MPA (design/logo), Moldflow Plastics Advisers, MPI, Moldflow Plastics Insight, MPX, MPX (design/logo), Moldflow Plastics Xpert, Mudbox, Multi-Master Editing, Navisworks, ObjectARX, ObjectDBX, Open Reality, Opticore, Opticore Opus, Pipeplus, PolarSnap, PortfolioWall, Powered with Autodesk Technology, Productstream, ProjectPoint, ProMaterials, RasterDWG, RealDWG, Real-time Roto, Recognize, Render Queue, Retimer,Reveal, Revit, Showcase, ShowMotion, SketchBook, Smoke, Softimage, Softimage|XSI (design/logo), Sparks, SteeringWheels, Stitcher, Stone, StudioTools, ToolClip, Topobase, Toxik, TrustedDWG, ViewCube, Visual, Visual LISP, Volo, Vtour, Wire, Wiretap, WiretapCentral, XSI, and XSI (design/logo). All other brand names, product names or trademarks belong to their respective holders. Disclaimer THIS PUBLICATION AND THE INFORMATION CONTAINED HEREIN IS MADE AVAILABLE BY AUTODESK, INC. "AS IS." AUTODESK, INC. DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE REGARDING THESE MATERIALS. Published by: Autodesk, Inc. 111 McInnis Parkway San Rafael, CA 94903, USA Contents Chapter 1 DXF Format . 1 Organization of This Reference . 1 Revisions to the DXF Reference . 1 Formatting Conventions in This Reference . 2 Object and Entity Codes . 2 Group Code Value Types . 3 Group Codes in Numerical Order . 5 Chapter 2 HEADER Section . 11 HEADER Section Group Codes . 11 Revised VPORT Header Variables . 28 Special Handling of Date/Time Variables . 29 Chapter 3 CLASSES Section . 31 CLASSES Section Group Codes . 31 Default Class Values . 32 Chapter 4 TABLES Section . 35 Symbol Table Group Codes . 35 Common Symbol Table Group Codes . 36 Common Group Codes for Symbol Table Entries . 37 APPID . 38 iii BLOCK_RECORD . 38 DIMSTYLE . 39 LAYER . 43 LTYPE . 44 STYLE . 46 UCS . 47 VIEW . 49 VPORT . 52 Chapter 5 BLOCKS Section . 57 BLOCKS Section Group Codes . 57 BLOCK . 58 ENDBLK . 59 Chapter 6 ENTITIES Section . 61 Common Group Codes for Entities . 61 3DFACE . 64 3DSOLID . 65 ACAD_PROXY_ENTITY . 65 ARC . 66 ATTDEF . 67 ATTRIB . 72 BODY . 77 CIRCLE . 77 DIMENSION . 78 Common Dimension Group Codes . 78 Aligned Dimension Group Codes . 80 Linear and Rotated Dimension Group Codes . 81 Radial and Diameter Dimension Group Codes . 82 Angular Dimension Group Codes . 83 Ordinate Dimension Group Codes . 85 Dimension Style Overrides . 86 ELLIPSE . 86 HATCH . 87 Boundary Path Data . 90 Pattern Data . 94 HELIX . 94 IMAGE . 95 INSERT . 97 LEADER . 98 LIGHT . 100 LINE . 101 LWPOLYLINE . 102 MESH . 103 MLINE . 104 iv | Contents MLEADERSTYLE . 107 MLEADER . 109 Common MLeader Group Codes . 110 MLeader Context Data Group Codes . 112 MLeader Leader Node Group Codes . 116 MLeader Leader Line Group Codes . 117 MTEXT . 117 OLEFRAME . 120 OLE2FRAME . 120 POINT . 123 POLYLINE . 123 Polyface Meshes . 125 RAY . 126 REGION . 126 SECTION . 127 SEQEND . 128 SHAPE . 128 SOLID . 129 SPLINE . 130 SUN . 132 SURFACE . 133 Extruded Surface . 133 Lofted Surface . 135 Revolved Surface . 136 Swept Surface . 137 TABLE . 138 TEXT . 144 TOLERANCE . 146 TRACE . 146 UNDERLAY . 147 VERTEX . 149 VIEWPORT . 150 WIPEOUT . 155 XLINE . 157 Chapter 7 OBJECTS Section . 159 OBJECT Section Group Codes . 159 Object Ownership . 159 Common Group Codes for Objects . 160 ACAD_PROXY_OBJECT . 161 ACDBDICTIONARYWDFLT . 161 ACDBPLACEHOLDER . ..
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