MAP INFORMATION TRANSMISSION METHOD, CENTRAL DEVICE, MAP INFORMATION TRANSMISSION SYSTEM, COMPUTER PROGRAM, AND RECORDING MEDIUM

摘要

PROBLEM TO BE SOLVED: To provide a map information transmission method, a central device, a map information transmission system, a computer program, and a recording medium capable of greatly reducing the work burden on a management business company side and a work business company side and reducing a possibility of leakage of map information for unjust access when providing the work business company with a map showing a burying situation of buried facility such as a gas pipe and an installation situation of ground facility such as a transmission line from the management business company such as a gas company. SOLUTION: In this central device 10 using a web server computer, a map information is extracted based on the position information showing a position of address transmitted from a terminal unit 20, a facility information showing facility such as the buried facility and a time information showing time are added to the extracted map information, a name composed of random code rows is added to the information and is recorded, and instruction information based on the given name is transmitted to transmission destination set in advance to transmit the map information recorded for access based on the instruction information.