Map display device

TL;DR: In this paper, the authors propose to obtain the map display easy to see with no overlap and proximity of characters regardless of the scale factor of map display by setting the display priority for character data in advance.

Abstract: PURPOSE:To obtain the map display easy to see with no overlap and proximity of characters regardless of the scale factor of the map display by setting the display priority for character data in advance, and providing a means detecting the overlap and proximity of characters CONSTITUTION:Map data of the necessary area are read into a read section 4 from a map data memory device 1 based on an instruction inputted via an input device 3, two or more nearby character data are detected by a proximity detection section 5, the display priority of the detected character data is judged by a priority judgment section 6, the information of the character data with low priority is applied to a thinning section 7, and the information is thinned out by the thinning section 7 and displayed on a display section 2