Digital Surface Model (DOM) — Fly 2020/2021, Zwickau

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.数字表面模型（Digital Surface Model，DOM）通过激光扫描测量所得的一组代表性地面与非地面点的空间坐标，对地球表面、植被及人工建构筑物的形态进行描述。该模型的更新周期为每6年一次。