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LiDAR, which stands for Light Detection and Ranging, is a remote sensing method used to generate precise, three-dimensional information about the shape of an object and its surface characteristics. 3D laser scanners utilize LiDAR technology to precisely capture the three-dimensional data of a structure or site. LiDAR operates by emitting light as a pulsed laser to measure distances to a target. When these laser pulses bounce back to the scanner, the distances are recorded, mapping the spatial geometry of the area. This process collects millions of measurement points, each with x, y, and z coordinates, forming what is known as a point cloud.

A building information model (BIM) is a digital representation of the physical and functional characteristics of a building or infrastructure project. BIM stores all the information about a building's life cycle in one place, including design, construction, and operational data, which can be used for planning, renovation, and maintenance. It provides accurate spatial relationships and manufacturer details, as well as geographic information and other pertinent aspects of the building.

An architect would use 3D laser scanning services to accurately capture the existing conditions of a building in a point cloud for design and renovation projects. From the point cloud, 2D CAD drawings and a 3D BIM model can be generated to access precise layout and measurements, visualize design changes, and identify potential issues, reducing the risk of errors, ultimately saving time and cost on the project.

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