| 摘要 |
PROBLEM TO BE SOLVED: To provide an "on-vehicle navigation apparatus and display method of roundabout" where two annular passages share a part, and that can retrieve and display even a connected special roundabout. SOLUTION: The "on-vehicle navigation apparatus and display method of roundabout" includes a storing means for storing map data including identification information attached to each annular passage so that each annular passage constituting the roundabout can be individually identified, a displaying means for displaying guide information, and a controlling means for reading a specific annular passage corresponding to a specific identification code from the storing means, or reading all annular passages constituting the roundabout including the specific annular passage, and making the displaying means display the specific annular passage or all annular passages. COPYRIGHT: (C)2008,JPO&INPIT |
