Digital Surface Model (DOM) — Fly 2019/2020, Zittau

The Digital Surface Model (DOM) describes the surface of the earth, vegetation and construction through the spatial coordinates of a representative set of soil and non-ground points from laser scanner measurements. The update takes place in the 6-year tournament.数字地表模型（Digital Surface Model，DOM）借助激光扫描测量所得的典型地表与非地表点集的空间坐标，对地球表面、植被及各类人工建（构）筑物的空间分布与形态特征进行刻画。该数据集的更新周期为6年。