Try to think about the following situations. You are an employee hired by a municipal government, and they need you to map several blocks (including the streets and the buildings inside); or, you have undertaken a construction project and currently you need to know how much of the project is completed each day; or even more difficult, you have a very large building that needs to be modeled and managed, but all this needs to be completed in a very short time. What will you do?Without the LiDAR technology, all these tasks can be done, but with more working hours and longer duration. Now, there i···