About 2D View of the Active Clipping Planes
You can display the 2D view of the active clipping planes in the 2D Section Viewer. The 2D Section Viewer, which opens in a separate window, enables you to simultaneously view the 2D and 3D views of the active clipping planes.
You can open the 2D Section Viewer using on the Section tab. The 2D Section Viewer provides options to control the display of the 2D view of the active clipping planes.