| 摘要 |
PROBLEM TO BE SOLVED: To smoothly perform guide processing of information between guiding points. SOLUTION: A data producing means 12 selects guiding points sequentially from a starting point to a terminal point on a route as a retrieval result by a route searching means 11. In each guiding point, information of the guiding point itself and information between the guiding points is included. When the following guiding point is determined between the adjacent guiding points, information between the guiding points is defined so as to be included in guiding point data about the following guiding point. When a data guiding means 13 carries out guidance about the guiding point according to the guiding point data, guiding point data about the following guiding point is also refereed to, and if guidance about the information between the points is required, it is determined whether the own vehicle position is on the guide objective route or not (a2) and successive guidance or guidance on a common destination name is carried out on the route. |
