LiDAR Digital Surface Model (DSM) represents the height of the Earth's surface, including all visible objects like buildings and trees, derived from the first laser pulse return in a LIDAR dataset. while Digital Terrain Model (DTM) only represents the bare ground. LiDAR DSMs are used for urban planning, forestry, and resource management. While LiDAR DTM is best for topographic mapping for contours, slope, drainage networks etc. And both dataset are available from government agencies like the UK Environment Agency. watch to the end to see how to download and import into Civil3D and Global Mapper easily! #lidar #pointcloud #civil3d #drone #dronesurvey Website link 👇 https://environment.data.gov.uk/survey Relevant Videos • How to Stack Map with Golden Software Surf... • Import and Convert SHP to DWG using Civil3... • How to Subdivide Irregular Land into Equal... Happy Mapping!🌍