1. A system for generating surface information presentable on at least one display unit, such system comprising: a source of first data; a source of second data; a source of third data; and an image generator configured to receive first data representative of at least aircraft position and heading; receive second data representative of at least a reference location, a targeted area, and a plurality of legs located within the targeted area, where the reference location, the targeted area, and the plurality of legs are defined independently of aircraft position and heading; retrieve third data representative of a plurality of object cell elevations within the targeted area; determine fourth data representative of a threat level for each object cell based upon at least an altitude and object cell elevation; and generate an image data set based upon the first data, the second data, the third data, and the fourth data, where the image data set is representative of an image comprised of at least first location highlighter, and at least one second location highlighter located within at least one first location highlighter.