This formulation of the routing problem demands routes that maximize LOS visibility between the routed object and one or more locations to which the object must maintain secure LOS communication links. The most challenging formulation of this problem requires the determination of a route that is never out of LOS visibility for more than a given amount of time. This formulation of the routing problem demands routes that avoid LOS visibility to one or more known enemy observation points. The most challenging formulation of this problem requires the determination of a route that minimizes the maximum length of time the routed object is visible from any point on the battlefield. This means that the information must be provided in a form that the planner can sift through efficiently.
Virtual reality provides a paradigm for presenting information that satisfies the needs of planners.
For example, the planner can conveniently view a target from different angles simply by moving his head and physically viewing it from a desired angle. This manner of interacting with the display is far more natural and flexible than having to orient a 2D display to a desired viewing angle via a mouse or trackball. In addition to VR hardware, new paradigms are required for displaying information in 3D in order to fully exploit the benefits of a 3D display device like the Workbench. Per object menus allow the user to bring up menus for each object in the scene, allowing the user to modify certain attributed associated with the particular object. This allows the clients to maintain a consistent TP of the environment, via the server.