Laser scanning is one of the main methodologies that is being widely used by surveying engineers for geometric documentation of sights and objects. Laser scanners provide large point clouds that depict the surface of the area or object under investigation. Modern scanners are able to create point clouds of such a density that in many cases the production of the 3D model is not necessary. Basic operations, such as cross sections and distance measurements, can be made directly to the point cloud.
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