General DXF Conventions
Group Code Ranges
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DXF Group Codes
General DXF Conventions
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Group Code Ranges
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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.
Group code ranges| Code range | Group value type |
0-9 |
String (255 characters maximum; less for Unicode strings) |
10-59 |
Double precision 3D point |
60-79 |
16-bit integer value |
90-99 |
32-bit integer value |
100 |
String (255 characters maximum; less for Unicode strings) |
102 |
String (255 characters 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 |
999 |
Comment (string) |
1000-1009 |
String (255 characters maximum; less for Unicode strings) |
1010-1059 |
Floating-point value |
1060-1070 |
16-bit integer value |
1071 |
32-bit integer value |