Autodesk 057A1-05A111-1001 Getting Started Guide - Page 165

Glossary

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Glossary Commands and system variables associated with definitions are shown in parentheses at the end of the definition. Term absolute coordinates aligned dimension angle override angular dimension angular unit annotation array arrowhead associative dimension associative hatching attribute definition Definition Coordinate values measured from a coordinate system's origin. See also origin, relative coordinates, user coordinate system (UCS), world coordinates, and world coordinate system (WCS). A dimension that measures the distance between two points at any angle. The dimension line is parallel to the line connecting the dimension's definition points. (DIMALIGNED) Locks the cursor for the next point entered. To specify an angle override, enter a left angle bracket (

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Glossary
Commands and system variables associated with definitions are shown in parentheses at the
end of the definition.
Term
Definition
absolute coordinates
Coordinate values measured from a coordinate system’s origin.
See
also
origin, relative coordinates, user coordinate system (UCS)
,
world coordinates
,
and
world coordinate system (WCS)
.
aligned dimension
A dimension that measures the distance between two points at any
angle. The dimension line is parallel to the line connecting the
dimension’s definition points. (DIMALIGNED)
angle override
Locks the cursor for the next point entered. To specify an angle
override, enter a left angle bracket (<) followed by an angle
whenever a command prompts you to specify a point.
angular dimension
A dimension that measures angles or arc segments and consists of
text, extension lines, and leaders. (DIMANGULAR)
angular unit
The unit of measurement for an angle. Angular units are measured
in decimal degrees, degrees/minutes/seconds, grads, or radians.
annotation
Text, dimensions, tolerances, symbols, or notes.
array
1. Multiple copies of selected objects in a rectangular or polar
(radial) pattern. (ARRAY) 2. A collection of data items, each
identified by a subscript or key, arranged so a computer can
examine the collection and retrieve data with the key.
arrowhead
A terminator, such as an arrowhead, slash, or dot, at the end of a
dimension line showing where a dimension begins and ends.
associative dimension
A dimension that automatically adapts as the associated geometry is
modified. Controlled by the DIMASSOC system variable.
See also
exploded dimension
.
associative hatching
Hatching that conforms to its bounding objects such that modifying
the bounding objects automatically adjusts the hatch. (BHATCH)
attribute definition
An object that is included in a block definition to store alphanumeric
data about the block. Attribute values can be predefined or specified
when the block is inserted. Attribute data can be extracted from a
drawing and inserted into external files. (ATTDEF)