1. An apparatus comprising: a display configured to present an open area map; a memory configured to store data corresponding to the open area map including an image of a layout representing a real-world area in which a person moves about, wherein the open area map further including an underlying grid; and circuitry configured to calculate a route from an origin point to a selected destination in the open area map as a function of the underlying grid, wherein the route calculation is not dependent upon one or more path segments determined prior to the route calculation, and wherein the circuitry is further configured to generate a path from the origin point to the selected destination based on the calculation.