2015 USACE NCMP Topobathy Lidar: Columbia City, OR

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 (...本数据集收录了经过分类的地形/水深激光雷达数据。数据分类包括1（有效非地面地形数据）、2（有效地面地形数据）和29（有效水深数据）。类别1和2的划分参照了美国摄影测量与遥感学会（ASPRS）的分类标准。这些数据由海岸带测绘与成像激光雷达（Coastal Zone Mapping and Imaging Lidar，简称 CZMIL）采集而成。