Patent ID: 7212216
Filing Date: 2007-05-01
Classification: G01C

Abstract:
1. A display system for a vehicle, comprising: a processor adapted to receive terrain data and navigation data operable, in response thereto, to supply one or more image rendering display commands; and a display device coupled to receive the image rendering display commands and operable, in response thereto, to simultaneously render (i) a perspective view image representative of the terrain data and the navigation data and (ii) one or more terrain-tracing lines, wherein the perspective view image includes terrain having a profile that is determined by elevations of the terrain, wherein each terrain-tracing line (i) extends at least partially across the terrain, (ii) represents at least one of a ground-referenced range to a fixed location on the terrain and a vehicle-referenced range from the vehicle to a fixed range away from the vehicle, and (iii) conforms with the terrain profile, and wherein the processor is configured to selectively display at least one of the ground-referenced range and the vehicle-referenced range.