Laser Scanning Survey
Get to Know All About It
The most common question for everyone must be "What is Laser Scanning?"
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Laser Scanning, or commonly known as LiDAR, is using the basic concept of a Total Station and enhance it by using the laser to capture millions of survey points of an area being surveyed. Take for example, a reflectorless Total Station can capture wall corners and Laser Scanner can capture the whole surface of that wall in the form of points.
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Laser Scanning can be an advantage for a survey over a large area due to its speed when capturing the data however over that small area where only a couple of points needed to be captured, Total Station and RTK will work better.
Terrestrial Laser Scanning - TLS
The Grounded Laser Scanner
Tripod based Laser Scanning (Lidar). With its' high level of density and accuracy, can capture a building and other surrounding features with high level of details.
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This service is good for survey of individual buildings, building interiors, small infrastructures, mine layouts and land plannings.
Mobile Laser Scanning - MLS
The Ground Vehicle Mounted Laser Scanner
Mounted on the top back of a vehicle provide a scan over a long distance. By combining with RTK GPS for positioning, can give an accurate position of all scanned data.
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This services is suitable for scanning over roads, highways and rails.
Aerial Laser Scanning - ALS
The Flying Laser Scanner
Mounted under a Plane or a Drone to scan over wide subject area. Its' area of scan gives an advantage for creating contour over a wide area of land.
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This service is suitable for open pit mines and other open areas. It is also suitable to scan a city with a lot of buildings as it can scan all the buildings from the top.