DXF Reference
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AutoCAD 2012 DXF Reference February 2011 © 2011 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. 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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 . ..