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<font face=Arial color=#003399 size=3><b> <a href="dxf_group_codes.htm">DXF Group Codes</a>
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<font face=Arial color=#003399 size=3><b><a href="general_dxf_conventions_al_u05_c.htm"><img src=images/book2.gif border=0> General DXF Conventions</a>
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<font face=Arial color=#003399 size=3><b><img src=images/bk_space.gif border=0> <img src=images/book2.gif border=0> Group Codes in Numerical Order
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<p><font face="MS Sans Serif,Arial" size=2>The following table gives the group code or group code range accompanied by an explanation of the group code value. In the table, "fixed" indicates that this group code always has the same purpose. The purpose of group codes that aren't fixed can vary depending on the context.
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<font face=Arial size=2><i>Entity group codes by number
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<TABLE border=0 cellpadding=2 cellspacing=4><TR VALIGN=TOP><TD bgcolor=#F9F6ED><font face="MS Sans Serif,Arial" size=2><b>Group code</b></font></td>
<TD bgcolor=#F9F6ED><font face="MS Sans Serif,Arial" size=2><b>Description</b></font></td></TR>
<TR VALIGN=TOP><TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>-5</font></p></td>
<TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>APP: persistent reactor chain</font></p></td></TR>
<TR VALIGN=TOP><TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>-4</font></p></td>
<TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>APP: conditional operator (used <font face=Arial><i>only</i></font> with <tt><b>ssget</b></tt>)</font></p></td></TR>
<TR VALIGN=TOP><TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>-3</font></p></td>
<TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>APP: extended data (XDATA) sentinel (fixed)</font></p></td></TR>
<TR VALIGN=TOP><TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>-2</font></p></td>
<TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>APP: entity name reference (fixed)</font></p></td></TR>
<TR VALIGN=TOP><TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>-1</font></p></td>
<TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>APP: entity name. This changes each time a drawing is opened. It is never saved. (fixed)</font></p></td></TR>
<TR VALIGN=TOP><TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>0</font></p></td>
<TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>Text string indicating the entity type (fixed)</font></p></td></TR>
<TR VALIGN=TOP><TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>1</font></p></td>
<TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>Primary text value for an entity</font></p></td></TR>
<TR VALIGN=TOP><TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>2</font></p></td>
<TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>Name (attribute tag, block name, and so on)</font></p></td></TR>
<TR VALIGN=TOP><TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>3-4</font></p></td>
<TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>Other textual or name values</font></p></td></TR>
<TR VALIGN=TOP><TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>5</font></p></td>
<TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>Entity handle. Text string of up to 16 hexadecimal digits (fixed)</font></p></td></TR>
<TR VALIGN=TOP><TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>6</font></p></td>
<TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>Linetype name (fixed)</font></p></td></TR>
<TR VALIGN=TOP><TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>7</font></p></td>
<TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>Text style name (fixed)</font></p></td></TR>
<TR VALIGN=TOP><TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>8</font></p></td>
<TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>Layer name (fixed)</font></p></td></TR>
<TR VALIGN=TOP><TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>9</font></p></td>
<TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>DXF: variable name identifier (used only in HEADER section of the DXF file).</font></p></td></TR>
<TR VALIGN=TOP><TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>10</font></p></td>
<TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>Primary point. This is the start point of a line or text entity, center of a circle, and so on. <br>DXF: <FONT FACE=ARIAL><I>X</I></FONT> value of the primary point (followed by <FONT FACE=ARIAL><I>Y</I></FONT> and <FONT FACE=ARIAL><I>Z</I></FONT> value codes 20 and 30)<br>APP: 3D point (list of three reals)</font></p></td></TR>
<TR VALIGN=TOP><TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>11-18</font></p></td>
<TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>Other points. <br>DXF: <FONT FACE=ARIAL><I>X</I></FONT> value of other points (followed by <FONT FACE=ARIAL><I>Y</I></FONT> value codes 21-28 and <FONT FACE=ARIAL><I>Z</I></FONT> value codes 31-38)<br>APP: 3D point (list of three reals)</font></p></td></TR>
<TR VALIGN=TOP><TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>20, 30</font></p></td>
<TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>DXF: <FONT FACE=ARIAL><I>Y</I></FONT> and <FONT FACE=ARIAL><I>Z </I></FONT>values of the primary point </font></p></td></TR>
<TR VALIGN=TOP><TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>21-28, 31-37</font></p></td>
<TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>DXF: <FONT FACE=ARIAL><I>Y</I></FONT> and <FONT FACE=ARIAL><I>Z </I></FONT>values of other points </font></p></td></TR>
<TR VALIGN=TOP><TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>38</font></p></td>
<TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>DXF: entity's elevation if nonzero.</font></p></td></TR>
<TR VALIGN=TOP><TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>39</font></p></td>
<TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>Entity's thickness if nonzero (fixed)</font></p></td></TR>
<TR VALIGN=TOP><TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>40-48</font></p></td>
<TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>Floating-point values (text height, scale factors, and so on)</font></p></td></TR>
<TR VALIGN=TOP><TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>48</font></p></td>
<TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>Linetype scale. Floating-point scalar value. Default value is defined for all entity types.</font></p></td></TR>
<TR VALIGN=TOP><TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>49</font></p></td>
<TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>Repeated floating-point value. Multiple 49 groups may appear in one entity for variable-length tables (such as the dash lengths in the LTYPE table). A 7<font face=Arial><i>x</i></font> group always appears <font face=Arial><i>before</i></font> the first 49 group to specify the table length.</font></p></td></TR>
<TR VALIGN=TOP><TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>50-58</font></p></td>
<TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>Angles (output in degrees to DXF files and radians through AutoLISP and ARX applications). </font></p></td></TR>
<TR VALIGN=TOP><TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>60</font></p></td>
<TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>Entity visibility. Integer value. Absence or 0 indicates visibility; 1 indicates invisibility. </font></p></td></TR>
<TR VALIGN=TOP><TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>62</font></p></td>
<TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>Color number (fixed)</font></p></td></TR>
<TR VALIGN=TOP><TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>66</font></p></td>
<TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>"Entities follow" flag (fixed)</font></p></td></TR>
<TR VALIGN=TOP><TD bgcolor=#F9F6ED><p><font face="MS Sans Serif,Arial" size=2>67</font></p></td>
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