Patent ID: 7398156
Filing Date: 2008-07-08
Classification: G01C

Abstract:
1. A point search apparatus provided with a search section, which searches destination candidates by using map information and provides the candidates to a user, said apparatus comprising: a visual target specifying section for specifying a visual target; and a search condition determining section for determining a search condition regarding destination candidates from which said user has an unobstructed view of said visual target when the user is located at a position specified by the destination candidate, said search condition calculated based on a path defined by three-dimensional coordinates of the visual target and three-dimensional coordinates of the destination candidate , wherein said search section is formed so as to search destination candidates from which said user can have an unobstructed view of the visual target specified by said visual target specifying section, based on at least information regarding the position of said visual target and information regarding the position of a point that fulfills the search condition determined by said search condition determining section.