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viewport configuration
A named collection of model viewports that can be saved and restored.
(VPORTS)
virtual screen display
The area in which the program can pan and zoom without regenerating the
drawing.
WCS
See world coordinate system (WCS).
window selection
A rectangular area specified in the drawing area to select multiple objects at
the same time. See also crossing selection, polygon window selection.
wipeout object
A polygonal area that masks underlying objects with the current background
color. This area is bounded by the wipeout frame, which you can turn on for
editing and turn off for printing.
wireframe model
The representation of an object using lines and curves to represent its
boundaries.
working drawing
A drawing for manufacturing or building purposes.
working set
A group of objects selected for in-place reference editing.
work plane
Another name for the XY plane of the user coordinate system. See also elevation
and user coordinate system (UCS).
world coordinates
Coordinates expressed in relation to the world coordinate system (WCS).
world coordinate system (WCS)
The fixed coordinate system used as the basis for defining all objects and other
coordinate systems. See also user coordinate system (UCS).
552 | Glossary
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