Chapter 6 -- ENTITIES Section
TRACE

The following group codes apply to trace entities. In addition to the group codes described here, see "Common Group Codes for Entities." For information about abbreviations and formatting used in this table, see "Formatting Conventions in This Reference."

Trace group codes
Group codes Description

100

Subclass marker (AcDbTrace)

10

First corner (in OCS)
DXF: X value; APP: 3D point

20, 30

DXF: Y and Z values of first corner (in OCS)

11

Second corner (in OCS)
DXF: X value; APP: 3D point

21, 31

DXF: Y and Z values of second corner (in OCS)

12

Third corner (in OCS)
DXF: X value; APP: 3D point

22, 32

DXF: Y and Z values of third corner (in OCS)

13

Fourth corner (in OCS)
DXF: X value; APP: 3D point

23, 33

DXF: Y and Z values of fourth corner (in OCS)

39

Thickness (optional; default = 0)

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)