System Functions
Figure 10.19: Single Target: Input offset
Reaction Radius (RR) (Watch Circle), which defines a circle of operation, within which the Target can move without
causing the vessel to move.
It only moves when it crosses the boundary of the circle of operation. The center of this circle is the target (see Figure
A Stop Radius (SR), which is automatically determined based on the Watch Circle and defines a circle at which the
vessels stops when entering it. The target is at the center of this circle
Figure 10.20: Reaction Radius
Position 1.
The ship is outside of the Reaction Radius (Watch Circle) and moving towards the target. The target is moving
forward.
Position 2.
The ship is moving towards the target, crossing the Watch Circle. The target is moving forward.
Position 3.
The ship is inside the circle of operation. It has entered the Stop Radius and is stopped. The target is moving
forward.
Position 4.
The ship is inside the circle of operation. It does not move. The target is moving forward.
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