| 摘要 |
<P>PROBLEM TO BE SOLVED: To enhance a more effective use of a specific route which is preliminarily stored as the route suitable for a specific use. <P>SOLUTION: A navigation device 10 includes a road map information storage device F3 which stores specific route information showing a specific route preliminarily specified as the route suitable for a sightseeing road, etc., and road information of which a node showing the road, a link and a movement cost are corresponded, and a retrieval target node group to be used for a retrieval of a recommended movement route to a destination is decided, and recommended movement route candidates are retrieved based on the decided retrieval target node group, and the recommended movement route is specified from among the retrieved recommended movement route candidates. In the retrieval of the recommended movement route candidates, decision is made whether an end point node corresponding to a start point node included in the retrieval target node group is included in the retrieval target node group, and the specific route including the end point node decided as included in the retrieval target node group and a start point node corresponding to the end point node is adopted as a part of the recommended movement route candidates. <P>COPYRIGHT: (C)2012,JPO&INPIT |
