Define a Tracking System By Coordinate System
- From the Create tools, select Create > Tracking Systems.
- From the Tracking panel, select a tracking system from the Tracking Systems list.
- From the Track drop-down menu, select System.
- 
                Select a coordinate system which will be used to define the tracking
                    system.
                - Click the System input collector and select By ID.
- Pick a system directly from the model in the modeling window.Note: Only Moving systems are supported for this option.
 
- 
                Under Displacements, use the check boxes to select the axes along which the
                    view will be constrained.
                Option Description Global X Locks the view to the X position of the selected entity as it moves. The entity appears to remain stationary along the global X direction during animation. Global Y Locks the view to the Y position of the selected entity as it moves. The entity appears to remain stationary along the global Y direction during animation. Global Z Locks the view to the Z position of the selected entity as it moves. The entity appears to remain stationary along the global Z direction during animation. 
- Optional: 
                Activate the Lock rotations check box to lock the
                    rotational movement of the selected entity.
                Entities can be tracked with respect to rotation.
- 
                Click the Start/Pause Animation button (on the Animation
                    toolbar) to animate the model.
                The model is animated with respect to the coordinate system.Tip: A new coordinate system can be defined and tracked at any time during animation by picking a different component in the modeling window.