Reference Line Controls

These controls allow the user to enter a Reference Line and enable information regarding the source of the data to be displayed.

Type	Action	Functions
Standard	Data Entry	Keyboard entry of a valid reference line (Two Existing Point Identifier's). Can snap/accept to an existing line. The closest point to the accepted line segment will be taken as the first point of the reference line, the distant segment point, the second point.
	Data Modification	SPACE, F9
	Tooltip	Displays the Bearing and Distance of the reference line. These can be disabled or enabled via Edit Tool Tips.