Patent ID: 8650499
Filing Date: 2014-02-11
Classification: G01C

Abstract:
1. A method of managing the display of overlay information in one or more views, the method comprising the steps of: receiving a user selection of one or more item types from a plurality of item types selectively displayable together in the same geographic chart view on a display; receiving a user selection of an altitude from which to represent a current geographic chart view; determining whether one or more overlay items are available for display in the current geographic chart view, a given overlay item being available for display if the item is included in the overlay information for the current view and visible if scaled in the current view in accordance with the altitude selected by the user for the current view; for each overlay item available for display in the current view, determining whether the available overlay item has an item type currently selected for display; and for each available overlay item having a currently selected item type, including the available overlay item for display in the current view; displaying an item type of each available overlay item being displayed on the display in a legend, within a subportion of the display, simultaneously, on the display; the method further comprising: the method being performed by a processor configured with memory.