Use of lidar point clouds to obtain digital terrain model and other products

Abstract

In Cuba, since the acquisition of the airborne LiDAR laser scanner (model Riegl VQ-780i), which can be coupled to a manned aerial platform (AN-02 aircraft), studies and evaluations have been facilitated, taking into account the technical benefits it has, its applications and the different methods used to obtain a final product. The integration of this knowledge, to the one already acquired in courses taught for the processing of the data generated with the aim of obtaining detailed and accurate Digital Terrain Models (DTM), using Terrasolid software, constitutes a powerful technology to create them, mainly in wooded areas due to their ability to penetrate vegetation and capture soil position. This system is practically new in the country, and although work has been carried out to obtain MDT, it is necessary to exploit to the maximum the cloud of points that is generated with the aim of creating new products, from the topographic survey that is carried out in the area. Precisely this is the fundamental objective of this work, to compile all the existing information on the work carried out, the use of other software in the processing of the data and some of the uses that can be given to these, such as three-dimensional models for cadastral management, electrical industry, in agriculture, forestry and coastal studies.