AutoCAD® 2002 - Autodesk

contains a caret character, it is expanded to caret, space (^ ). OPEN and INSERT
perform the complementary conversion.
Header Group Codes in DXF Files
Applications can retrieve the values of these variables with the AutoLISP
getvar function.
The following is an example of the HEADER section of a DXF file:
0
SECTION
2
HEADER
9
$
0
ENDSEC
Beginning of HEADER section
Repeats for each header variable
End of HEADER section
Class Group Codes in DXF Files
The following is an example of the CLASSES section of a DXF file:
0
SECTION
2
CLASSES
0
CLASS
1
2
3
90
280
281
0
ENDSEC
Beginning of CLASSES section
Repeats for each entry
End of CLASSES section
148 | Appendix A Drawing Interchange File Formats