A graphical user interface for graphically managing the navigational usability of an interactive map is described. In one embodiment, the graphical user interface includes a layer hierarchy having a first layer and a second layer. The graphical user interface also includes a first display range bar associated...http://www.google.com/patents/US7743346?utm_source=gb-gplus-sharePatent US7743346 - System for managing the navigational usability of an interactive map
