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Dimension Options and Uses
In AutoCAD Architecture, you can dimension object points specified in the
AEC dimension style, points on objects picked in the drawing, or user-specified
points in the drawing. AEC dimensions associated with objects update when
the object changes. User-specified points are not associative and have to be
changed manually, if necessary. In addition to AEC dimensions, you can also
use AutoCAD dimensions. The following table lists the differences between
the different dimension methods:
An AEC dimension can contain both associative and non-associative points.
For example, you can create an AEC dimension that dimensions a wall, a
multi-view block representing a floor drain, and user-specified points selected
anywhere in the drawing.
Associative Dimensions from Selecting Objects
Associative AEC dimensions are style-based annotation objects that update
automatically when the associated object changes. The AEC dimension style
defines the dimension points that determine which measurements are
displayed for each object that the style can be used to dimension.
In the example below, walls lengths, opening widths, and wall intersections
are set as the dimensioned points in the style. If a door is made wider, the
dimensions update to reflect the new measurements.
Associative wall dimensions
You can define styles for specific object types. For example, one AEC dimension
style might specify that for walls, dimensions will be displayed for lengths,
Dimension Options and Uses | 3351
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