Inferencing lines work together
with pointers, Sketch Snaps, and relations to graphically display how
sketch entities affect each other.
Inferencing lines are dotted
lines that appear as you sketch. When your pointer approaches highlighted
cues such as midpoints, the inferencing lines guide you relative to existing
The pointer display indicates
when the pointer is over a geometric
relation (an intersection, for example), what tool is active (line
or circle), and dimensions
(angle and radius of an arc). If the pointer displays a relation such
as a horizontal relation, the relation is added automatically to the entity.
not displayed if Enable snapping
is cleared. When you clear Enable snapping,
it also clears Automatic
Sketch Snaps are on by default.
As you sketch, Sketch
Snaps icons are displayed. To clear Sketch Snaps, click Tools, Options,
System Options, Relations/Snaps,
and clear Enable snapping.
You can use Quick
Snaps to display individual Sketch Snaps even if Enable
snapping is cleared. Quick Snaps focus on one particular operation
while the current sketch tool is active. To use Quick Snaps, right-click
in an active sketch, select Quick Snaps,
and chose the appropriate Sketch Snap.
In addition to Sketch Snaps,
you can display icons that represent relations between
sketch entities. As you sketch, the entities display icons that represent
Sketch Snaps; once you click to indicate a sketch entity is done, relations
are displayed. To display relations, select View,