US Patent 7076741 Point-of-interest icon and point-of-interest mark display method

In a point-of-interest (POI) icon display method for displaying a POI icon at a position of a point of interest on a map, when a large number of POI icons are densely displayed, one representative icon is displayed instead of these POI icons. When the representative icon is selected, the original individual POI icons or detailed information of the POIs corresponding to the original individual POI icons are displayed. In a case in which a POI is displayed by a polygon on the map and the POI icon is present within the POI polygon, the POI icon is displayed in the central portion of the polygon.