ARC (DXF)

The following group codes apply to arc entities.

Arc group codes

Group code

Description

100

Subclass marker (AcDbCircle)

39

Thickness (optional; default = 0)

10

Center point (in OCS)

DXF: X value; APP: 3D point

20, 30

DXF: Y and Z values of center point (in OCS)

40

Radius

100

Subclass marker (AcDbArc)

50

Start angle

51

End angle

210

Extrusion direction (optional; default = 0, 0, 1)

DXF: X value; APP: 3D vector

220, 230

DXF: Y and Z values of extrusion direction (optional)