| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem that it is difficult to display a map of a destination and much attention needs to be paid during operation, since the desired point is frequently overreached at a fast scrolling speed, when the destination, etc., is retrieved by scrolling a map image using a joy stick, etc. SOLUTION: A facility name is inputted and then the place, where the facilities are present is retrieved and stored in a retrieval result memory part 53. Then a user scrolls the map picture and then the scrolling direction is detected; and a display facility retrieval part 55 retrieves a point which is present in the scrolling direction among point stored in the retrieval result memory. A scroll scale setting part 56 computes the distance from a currently displayed point to a point to be displayed next and computes and sets a scale of the map enabling high-speed scrolling, according to the distance. A scroll drawing indication part 57 scrolls the map according to the result and stops scrolling the map, when the point is displayed. |
