Measures the diameter of a selected circle or arc, and displays the dimension text
with a diameter symbol in front of it. You can use grips to easily reposition the
resulting diameter dimension.

The following prompts are displayed.

Select Arc or Circle

Specifies a circle, arc, or arc segment on a polyline. A fillet is considered an arc.

Dimension Line Location

Specifies a point to determine the angle of the dimension line and the location of
the dimension text.

Mtext

Displays the In-Place Text Editor, which you can use to edit the dimension text. Use
control codes and Unicode character strings to enter special characters or symbols.
See “Control Codes and Special Characters”.

If alternate units are not turned on in the dimension style, you can display them
by entering square brackets ([ ]).

The current dimension style determines the appearance of the dimension text.

Text

Customizes the dimension text at the Command prompt. The generated dimension measurement
is displayed within angle brackets.

To include the generated measurement, use angle brackets (< ) to represent the generated
measurement. If alternate units are not turned on in the dimension style, you can
display alternate units by entering square brackets ([ ]).

Dimension text properties are set on the Text tab of the New, Modify, and Override
Dimension Style dialog boxes.

Angle

Changes the angle of the dimension text.