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Create Radial Dimensions

May 20, 2011

      You can create radial dimensions for circles or arcs to measure their radial. The radial dimension is a radial dimension line with an arrowhead that points to a circle or arc. To display centerlines or a center mark, set the system variable DIMCEN to nonzero.

      If the Text Placement in the dimension style is set to Over the Dimension Line, with a leader, then the dimension is applied along with a leader line.

       Both center marks and lines apply only to radius and diameter dimensions. They are created only when you place the dimension outside the circle or arc. The size of the centerline is the distance of the centerline segment that extends outside the circle or arc, shown as the following illustration:


To create a radial dimension

  1.   Choose Dimensions > Radius.

  2.   Select the arc or circle.

  3.   Specify the dimension line location.

Dimension toolbar\

Command line DIMRADIUS



Select the circle (A), and then specify the dimension line location (B). Result

Jogged Dimension

       Jogged dimension is namely jogged radius dimension, which is also called scaled radius dimension. User can specify center position to place the origin of dimension for replacing center point of circle or arc within radius dimension. DIMJOGGED command is useful for creating dimensions in case that the center of circle or arc to be dimensioned is located outside the layout and can't be displayed in its actual position either.

     You can set the angle of jogged radius from "Other Items" tab either in "Create New Dimension Style" dialog box or "Modify Dimension Style" dialog box.

      For a jogged radius dimension having been created, you can modify it's jog and center position by means of grip editing, Properties palette and executing STRETCH command.

To create a jogged radius dimension

  1. Choose Dimension > Jogged.

  2. Select a circle or an arc.

  3. Select center position as the dimension origin.

  4. Specify a point to position the jog symbol.

Dimenison toolbar\

Command line DIMJOGGED

Commands Reference

DIMCENTER: Creates the center mark or the centerlines of circles and arcs

DIMDIAMETER: Creates diameter dimensions for circles and arcs

DIMJOGGED: Creates jogged dimensions for circles, arcs, and polyline arc segments

DIMRADIUS: Creates radial dimensions for circles and arcs

QDIM: Quickly creates a dimension

System Variables Reference

DIMATFIT: Determines how dimension text and arrows are arranged when space is not sufficient to place both within the extension lines

DIMCEN: Controls drawing of circle or arc center marks and centerlines by the DIMCENTER, DIMDIAMETER, and DIMRADIUS commands

DIMJOGANG: Specifies the angle of the transverse segment of the dimension line in a jogged radius dimension

DIMJUST: Controls the horizontal positioning of dimension text

DIMTAD: Controls the vertical position of text in relation to the dimension line

DIMTIH: Controls the position of dimension text inside the extension lines for all dimension types except ordinate

DIMTMOVE: Sets dimension text movement rules

DIMTOFL: Controls whether a dimension line is drawn between the extension lines even when the text is placed outside

DIMTOH: Controls the position of dimension text outside the extension lines

DIMUPT: Controls options for user-positioned te




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