3 Benefits of Creating a Digital Terrain Model Using Lidar
Introduction Digital terrain models (DTMs) are geospatial datasets that model the topography of the Earth’s surface in a digital environment. They are typically constructed from another source of geospatial data such as LiDAR , photogrammetry, or terrestrial laser scanning (TLS). A DTM is a useful GIS dataset for a variety of operations and activities; this is especially true when your organization has limited field resources to collect survey information. By using lidar to create your DTM, you can unlock several benefits. Let’s take a look at three benefits of creating a DTM using lidar. Better Understanding of Environments When you use lidar to create your DTM, you create a digital representation of your study area. This digital representation can be used to create a digital terrain data model or digital surface model (DSM). The DSM allows you to visualize your environment in 3D geometry. You can use this 3D model to visualize your study area in real-time or in post-proce...