Laser Scanning Survey
Get to Know All About It
The most common question for everyone must be "What is Laser Scanning?"
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.
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.
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.
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.
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.