GENERATING A DISPLAY IMAGE

摘要

A method for generating a display image including a map view and a road, the map view being a three dimensional perspective elevation view of a portion of a digital map as viewed from a viewing position, and the method characterised by: (a) determining, from information associated with the distance of the road that is to be displayed in the display image from the viewing position, whether a map object obscures a line of sight from said viewing position to the road in the three dimensional perspective elevation; and (b) displaying an element of the road in a format that is dependent on whether the map object is determined to obscure said line of sight An apparatus and a computer program are also disclosed.