Chapter 6  ENTITIES Section
DIMENSION 
Aligned Dimension Group Codes

The following group codes apply to aligned dimensions. In addition to the group codes described here, those listed in "Common Group Codes for Entities" and "Common Dimension Group Codes" can also be present. For information about abbreviations and formatting used in this table, see "Formatting Conventions in This Reference."
Aligned dimension group codesGroup codes  Description 
100 
Subclass marker (AcDbAlignedDimension) 
12 
Insertion point for clones of a dimensionBaseline and Continue (in OCS) 
22, 32 
DXF: Y and Z values of insertion point for clones of a dimensionBaseline and Continue (in OCS) 
13 
Definition point for linear and angular dimensions (in WCS) 
23, 33 
DXF: Y and Z values of definition point for linear and angular dimensions (in WCS) 
14 
Definition point for linear and angular dimensions (in WCS) 
24, 34 
DXF: Y and Z values of definition point for linear and angular dimensions (in WCS) 
The point (13,23,33) specifies the start point of the first extension line and the point (14,24,34) specifies the start point of the second extension line. Point (10,20,30) specifies the dimension line location. The point (11,21,31) specifies the midpoint of the dimension text.