Automatic camera motion to selected object (see Figure 1 below) is a feature that lets the camera follow automatically, and show in 3D view, the components you select in 2D view. This feature is accessed from the toolbar above the 2D view.
Figure 1
Follow these steps:
Click Automatic camera motion to selected object.
Move the mouse pointer
to the drawing area in the 2D view. The icon
follows.
Click the object you want the camera to show. The camera is directed at the object and displays it in the 3D view.