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3-D Photo Like Representation of Scanned Surfaces

Laser Scanning, also known as LiDAR (Light Detection and Ranging), provides highly concentrated 3-D data points of site features. The device emits a laser pulse that reflects off objects and transmits XYZ coordinate values back to the scanner. Each coordinate point is assigned an intensity value based on the strength of the return signal. By recognizing changes in intensity value between points, different materials, such as asphalt, concrete, stone, and paint stripes, can be identified. When all of the points are assembled, they are referred to as a “point cloud” – and form a 3-D representation of the scanned surface with photograph-like quality.