2011

Table Of Contents
edge The boundary of a face.
edge modifiers Effects such as overhang and jitter that control how edges are
displayed in a shaded model.
elevation The default Z value above or below the XY plane of the current user
coordinate system, which is used for entering coordinates and digitizing
locations. (ELEV)
empty selection set A selection set that contains no objects.
environment map A bitmap that is used to simulate reflections in materials
that have reflective properties. The map is wrapped around the scene and
any reflective object will show the appropriate portion of the map in the
reflective parts of its material.
environment variable A setting stored in the operating system that controls
the operation of a program.
explode To disassemble a complex object, such as a block, dimension, solid,
or polyline, into simpler objects. In the case of a block, the block definition
is unchanged. The block reference is replaced by the components of the block.
See also block, block definition, and block reference. (EXPLODE)
exploded dimension Independent objects that have the appearance of a
dimension but are not associated with the dimensioned object or each other.
Controlled by the DIMASSOC system variable. See also associative dimension,
nonassociative dimension, and explode. (EXPLODE)
extents See drawing extents.
external reference (xref) A drawing file referenced by another drawing. (XREF)
extrusion A 3D solid created by sweeping an object that encloses an area
along a linear path.
face A triangular or quadrilateral portion of a surface object.
face color mode A setting in the visual style that controls how color is
displayed on a face.
Glossary | 1017