Location search device, a navigation device, a point search method and location search program, and information recording medium storing the location search program

摘要

It makes the part renewal of the data for position search possible, has, it makes that it improves the efficiency of renewal job possible. It constitutes the data for position search (a) the plural position search files RF-k which designate the POI data as the element (b) menu indicatory file MNF in order to indicate the search picture due to (c) area management table TBL. When it searches around, it specifies the mesh cord/code to which the position on the map which the user appoints belongs on the basis of menu indicatory file, MNF it forms the search key which includes the particular mesh cord/code. And, the position search file RF-k which corresponds to the particular search key as it specifies on the basis of area management table TBL, the POI data which corresponds to the facility which exists around the position which is appointed from the POI data which is included in particular position search file RF-k by the user is extracted.