DXF Group Codes
ENTITIES Section
DIMENSION
Radial and Diameter Dimension Group Codes

The following group codes apply to radial and diameter dimensions.

Radial and diameter dimension group codes
Group codes Description

100

Subclass marker (AcDbRadialDimension or
AcDbDiametricDimension)

15

Definition point for diameter, radius, and angular dimensions (in WCS). DXF: X value; APP: 3D point

25, 35

DXF: Y and Z values of definition point for diameter, radius, and angular dimensions (in WCS).

40

Leader length for radius and diameter dimensions.

The point (15,25,35) specifies the first point of the dimension line on the circle/arc and the point (10,20,30) specifies the point opposite the first point. The point (11,21,31) specifies the midpoint of the dimension text.

The point (15,25,35) specifies the first point of the dimension line on the circle/arc and the point (10,20,30) specifies the center of the circle/arc. The point (11,21,31) specifies the midpoint of the dimension text.