Group Code Value Types
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Chapter 1 -- DXF Format
Group Code Value Types
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Group codes define the type of the associated value as an integer, a floating-point number, or a string, according to the following table of group code ranges. For information about abbreviations and formatting used in this table, see "Formatting Conventions in This Reference."
Group code value types| Code range | Group value type |
0-9 |
String. (With the introduction of extended symbol names in AutoCAD 2000, the 255 character limit has been lifted. There is no explicit limit to the number of bytes per line, although most lines should fall within 2049 bytes.) |
10-59 |
Double precision 3D point |
60-79 |
16-bit integer value |
90-99 |
32-bit integer value |
100 |
String (255-character maximum; less for Unicode strings) |
102 |
String (255-character maximum; less for Unicode strings) |
105 |
String representing hexadecimal (hex) handle value |
140-147 |
Double precision scalar floating-point value |
170-175 |
16-bit integer value |
280-289 |
8-bit integer value |
300-309 |
Arbitrary text string |
310-319 |
String representing hex value of binary chunk |
320-329 |
String representing hex handle value |
330-369 |
String representing hex object IDs |
370-379 |
8-bit integer value |
380-389 |
8-bit integer value |
390-399 |
String representing hex handle value |
400-409 |
16-bit integer value |
410-419 |
String |
999 |
Comment (string) |
1000-1009 |
String. (Same limits as indicated with 0-9 code range.) |
1010-1059 |
Floating-point value |
1060-1070 |
16-bit integer value |
1071 |
32-bit integer value |