BLOCK_RECORD (DXF)

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 “}“