POINT CLOUD DATA ACQUIRING METHOD AND POINT CLOUD DATA ACQUIRING SYSTEM

A point cloud data acquiring system () is a system which acquires, as moving, point cloud data which serves as base data for a three-dimensional map representing a traveling environment of a vehicle includes range finding part () which acquires point cloud data representing azimuths and distances to planimetric features configuring the traveling environment, marker detecting part () which detects marker () laid in or on a traveling road of the vehicle, and a data recording part which records point cloud data acquired by range finding part () as linking thereto marker reference information including positional information with reference to any marker ().