2015 USACE NCMP Topobathy Lidar: Sand Island (WA)

These files contain classified topo/bathy lidar data. Data are classified as 1 (valid non-ground topographic data), 2 (valid ground topographic data), and 29 (valid bathymetric data). Classes 1 and 2 are defined in accordance with the American Society for Photogrammetry and Remote Sensing (ASPRS) classification standards. These data were collected by the Coastal Zone Mapping and Imaging Lidar (...

本数据集包含经过分类的地形/水深激光雷达数据。数据分类为1（有效的非地面地形数据）、2（有效的地面地形数据）以及29（有效的地形数据）。分类1和2遵循美国摄影测量与遥感学会（ASPRS）的分类标准。这些数据由海岸带制图与成像激光雷达（Coastal Zone Mapping and Imaging Lidar，简称 CZMIL）收集而成。