9.1. Basics of Laser Scanning

Try these first

1. 1.

   What does LiDAR stand for?

   Hint

   Think about what light does in this context.

2. 2.

   What is a point cloud?

   Hint

   Consider it like a map made of dots.

3. 3.

   What is LiDAR an acronym for?

   • Light Detection and Ranging
   • Long-distance Imaging and Data
   • Laser Imaging Detection and Ranging

   Hint

   Think about how light is utilized in this technology.

4. 4.

   Point clouds are typically used for creating which of the following?

   • 2D maps
   • 3D models
   • Text documents

   Hint

   Visualize a cloud made of many points in space.

5. 5.

   Design a simple experiment using LiDAR to map an indoor space. What factors would you need to consider?

   Hint

   Think about how you'd set up a camera to take broad photos.

6. 6.

   Discuss the advantages of using point clouds over traditional 2D representations in a civil engineering project.

   Hint

   Consider how understanding depth might change your view on structures.