You can use the tracking method whenever AutoCAD LT prompts for a point. The Tracking method uses the pointing device to specify a point by offsetting vertically and horizontally from a series of temporary points. When you start tracking and specify an initial reference point, AutoCAD LT constrains the next reference point to a path that extends vertically or horizontally from the initial reference point. The direction of the offset is indicated by the rubber-band line. You change the direction of the offset by moving the cursor through the current reference point. You can track as many points as you need. Typically, you use tracking in combination with object snaps or direct distance entry.
For example, you can use tracking to find the center point of a rectangle without using construction lines. Start tracking, and specify the midpoint of a horizontal line. Drag the cursor vertically and specify the midpoint of a vertical line (2). Press ENTER to accept the point (3) at the center of the rectangle.
Example: Use of Tracking to Break a Rectangle
See Also
Offsetting from Temporary Reference Points
Using Coordinate Filters