The following group codes apply to BLOCK_RECORD symbol table entries.
| BLOCK_RECORD group codes
|
|---|
| Group code
| Description
|
|---|
| 100
| Subclass marker (AcDbBlockTableRecord)
|
| 2
| Block name
|
| 340
| Hard-pointer ID/handle to associated LAYOUT object
|
| 70
| Block insertion units.
|
| 280
| Block explodability
|
| 281
| Block scalability
|
| 310
| DXF: Binary data for bitmap preview (optional)
|
| 1001
| Xdata application name “ACAD” (optional)
|
| 1000
| Xdata string data “DesignCenter Data” (optional)
|
| 1002
| Begin xdata “{“ (optional)
|
| 1070
| Autodesk Design Center version number
|
| 1070
| Insert units:
0 = Unitless
1 = Inches
2 = Feet
3 = Miles
4 = Millimeters
5 = Centimeters
6 = Meters
7 = Kilometers
8 = Microinches
9 = Mils
10 = Yards
11 = Angstroms
12 = Nanometers
13 = Microns
14 = Decimeters
15 = Decameters
16 = Hectometers
17 = Gigameters
18 = Astronomical units
19 = Light years
20 = Parsecs
21 = US Survey Feet
22 = US Survey Inch
23 = US Survey Yard
24 = US Survey Mile
|
| 1002
| End xdata “}“
|