Route creation device

摘要

It is an object to provide a technique capable of searching for a route as close to a route intended by a user as possible. A route creation device includes an input unit that accepts a line drawn on a map displayed based on map data, and a link retrieval unit that retrieves corresponding road links that correspond to the line accepted by the input unit from the map data. The route creation device further includes a route searching unit that searches for a route including at least one road link satisfying a predetermined condition among the road links retrieved by the link retrieval unit.

主权项

1. A route creation device comprising:
a map data storage that stores map data therein; a touch panel to display a map based on said map data and accept a line drawn on said map regardless of a setting situation of a destination point or a waypoint; a controller that determines a predetermined range with reference to a point on the drawn line and that retrieves, from said map data, corresponding road links positioned within the predetermined range, the line being accepted by said input unit; and said controller performing a search for a navigation route including at least one road link satisfying a predetermined condition including link continuity and fore-and-aft relation among the retrieved road links, said controller, for each point drawn on said line, identifying a plurality of road links and determining the shortest distance between an end of a road link identified from an adjacent point drawn on said line and each end of said plurality of road links so as to retrieve one road link whose distance is shortest, as said corresponding road link.