Polar tracking assists you to draw at exact angles at fixed intervals and optionally at specific additional angles.
Entity Snap Tracking assists you to draw or position entities with respect to other entities.
Lock a Tracking Path
Hit the Shift key to lock a tracking path . Hit the shift key again to unlock. It works as a toggle. A locked tracking line turns red.
Temporary Tracking Points
Whenever BricsCAD prompts to specify a point, type “TT” at the command prompt and BricsCAD asks to specify a Temporary Tracking point.
Type “TK” at the command prompt to specify multiple temporary tracking points.
Z-direction Tracking Path
In 3D views an additional tracking line displays parallel to the Z-axis of the current UCS.