LiDAR (Light Detection And Ranging) Technology

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Recently, topographical surveying methods have seen great evolution with highly engineered instruments/ systems which can collect and process large quantities of data in a very short time (Traditional survey to LiDAR).

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After the invention of laser technology in 1960s, LiDAR was first used on airplanes. However, LiDAR data was not possible to be accurate until the arrival of commercially available Global Positioning System (GPS) equipment and Inertial Measurement Unit (IMU) in the late 1980s. Today, Light Detection And Ranging (LiDAR) is the most accurate, effective and efficient technology for mapping. It is a DIRECT MEASUREMENT method of generating precise and directly georeferenced spatial information about the shape and surface characteristics of the Earth. Collection of elevation data using LiDAR has numerous benefits over all other techniques, mainly, higher resolution, centimeter level accuracies and ground detection in forested terrain.

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LiDAR technology have vast usages in civil engineering projects as well as in O&G industry especially regional level that includes water irrigation projects, National Highways, Railway networks, mega dams in civil engineering to pipeline network surveys, 3-D modelling of the ground surfaces for rig pad placements and drilling for oil and gas.