2012

Table Of Contents
grid An area covered with regularly spaced dots or lines to aid drawing. The
grid spacing is adjustable. The grid dots are never plotted. See also grid limits.
(GRID)
grid limits The user-defined rectangular boundary of the drawing area covered
by dots when the grid is turned on. Also called drawing limits. (LIMITS)
grip menu options See multi-functional grip menu options.
grip modes The editing options you can access from selected grips on selected
objects: stretching, moving, rotating, scaling, and mirroring.
grip tool An icon that you use in a 3D view to easily constrain the movement
or rotation of a selection set of objects to an axis or a plane. (3DMOVE,
3DROTATE)
grips Small squares and triangles that appear on objects you select. After
selecting the grip, you edit the object by dragging it with the pointing device
instead of entering commands.
ground plane The XY plane of the user coordinate system when perspective
projection is turned on. The ground plane displays with a color gradient
between the ground horizon (nearest to the horizon) and the ground origin
(opposite the horizon). See also sky and underground.
guide curves Lines or curves that intersect each cross section of a lofted solid
or surface and that define the form by adding additional wireframe information
to the object. (LOFT)
handle A unique alphanumeric tag for an object in the program's database.
HDI For Heidi Device Interface. An interface for developing device drivers that
are required for peripherals to work with the program and other Autodesk
products.
heads-up display (HUD) The process of transparently displaying user interface
elements on top of or over the drawing area without obscuring the view of
the objects drawn on the drawing area.
2304 | Glossary