DXF Reference - Autodesk

1 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. Trademarks The following are registered trademarks or trademarks of Autodesk , Inc., and/or its subsidiaries and/or affiliates in the USA and other countries: 3 DEC (design/logo), 3 December, , 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 Intent, Autodesk Inventor, Autodesk MapGuide, Autodesk Streamline, AutoLISP, AutoSnap, AutoSketch, AutoTrack, Backburner, Backdraft, Beast, Built with ObjectARX (logo)

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5 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.

6 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.

7 61. 3 DFACE .. 64. 3 DSOLID .. 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. H AT C H .. 8 7. Boundary Path Data .. 90. Pattern Data .. 94. HELIX .. 94. IMAGE.

8 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. OLE2 FRAME .. 120. POINT .. 123. POLYLINE .. 123. Polyface Meshes .. 125. RAY .. 126. REGION .. 126. SECTION .. 127. SEQEND .. 128. SHAPE .. 128. SOLID .. 129. SPLINE .. 130. SUN.

9 132. SURFACE .. 133. Extruded Surface .. 133. Lofted Surface .. 135. Revolved Surface .. 136. Swept Surface .. 137. TA B L E .. 1 3 8. 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 .. 162. DATATABLE .. 163. DICTIONARY .. 164. DICTIONARYVAR.

10 166. DIMASSOC .. 166. Contents | v FIELD .. 168. GEODATA .. 170. GROUP .. 172. IDBUFFER .. 173. IMAGEDEF .. 173. IMAGEDEF_REACTOR .. 174. LAYER_INDEX .. 175. LAYER_FILTER .. 175. LAYOUT .. 176. LIGHTLIST .. 179. MATERIAL .. 179. MLINESTYLE .. 186. OBJECT_PTR .. 188. PLOTSETTINGS .. 189. RASTERVARIABLES .. 192. RENDER .. 193. RENDERENVIRONMENT .. 193. MENTALRAYRENDERSETTINGS .. 194. RENDERGLOBAL .. 197. SECTION .. 198. Section Manager .. 199. Section Settings .. 199. Section Type Settings .. 200. Section Geometry Settings.