MAP PREPARATION DEVICE FOR SERVICE CAR

摘要

PROBLEM TO BE SOLVED: To provide a service car monitoring system which can grasp a positional relationship between objects around a service car.SOLUTION: A crane 10 is provided with a three-dimensional positional information acquisition device 90 that obtains three-dimensional positional information on an object around the crane 10, a map preparation processing device 80 that obtains the height of the object around the crane 10 on the basis of the three-dimensional positional information acquired by the three-dimensional positional information acquisition device 90 and prepares a plane map indicating height information on the object, and a monitor 51 that displays the map prepared by the map preparation processing device 80.