A display device and the like capable of displaying an entire measurement target and desired details are provided. A display device according to the present disclosure includes: a global display unit that displays a point cloud image generated using three-dimensional data including three-dimensional coordinate values of a measurement target; a position designation unit that designates a one-dimensional position in the three-dimensional data; and a local display unit that generates and displays a detailed image of the three-dimensional data based on the one-dimensional position designated by the position designation unit.