Patent ID: 8645056

Claim:
A system for controlling a display of geographic data to assist in the navigation of a mobile platform comprising: a graphical user interface module that generates a primary display and a context display on a display screen; a user input that enables a user to select geographic data to be used by the primary display and the context display; an image control module responsive to the geographic data that uses the geographic data to generate information used to populate the primary display and the context display, with the context display being presented as an overlay over a minor portion of the primary display and illustrating a complete route of the mobile platform, and with the information shown on the primary display being presented at a first magnification level and the information shown on the context display presented at a second magnification level that is lower than the first magnification level; and the image control module further generating an indicator displayed on the context display, and which is moveable within the context display, that indicates that specific portion of the geographic data being shown in the context display that is to be displayed in the primary display, and the indicator of the context display able to be panned through a command input by the user to any subarea of the context display, which causes a corresponding panning of the geographic information presented on the primary display at the first magnification level.