| 摘要 |
PROBLEM TO BE SOLVED: To make a guide crosspoint be easily seen and surely recognized by storing mark data in addition to map data, and displaying the mark with priority. SOLUTION: Once the present address and the destination has been inputted from an input part before running, a data control part reads out a navigation program corresponding to the course from a file 21 to set a running course, outputs roads 1, 2 and a guide crosspoint 7 to be turned on a screen along the course, and displays the remaining distance 6 to the crosspoint and the other guide information. In this case, an arrow 3 is not only drawn to the guide road 2 multi-level crossing the road 1, but also the outline and oblique lines are drawn to the road 2 to be highlighted, whereby it can be recognized to advance to the multi-level crossing guide road 2 at a glance. Further, a river 9 and a road 10 not used are drawn as the perspective plane, and a bookstore is encircled as a mark 8 by a black frame to be highlighted so that the guide crosspoint 7 can be easily recognized. |
