Converged lines and elevation points of the main map of Estonia
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The spatial data set includes data on the embossing layer of Estonia’s main map 1:10000: contiguous elevation lines and elevation points. The attribute of phenomena is elevation values. The contour lines are given at an interval of 2.5 m. The contiguous elevation lines and elevation points are produced from the LiDAR (Light Detection and Ranging) thinned ground elevation points collected between 2017 and 2020. From 2021 onwards, the main map also contains data on the isobaths and depth points of sea areas. Depth lines and points were generated by the Land Board on the basis of the depth points data of the Hydrography Information System (HIS) of the Transport Agency at the end of 2020.
本空间数据集涵盖爱沙尼亚1:10000比例尺主地图的浮雕图层数据,包含连续等高线与高程点。其对应地物的属性为高程数值,等高线间距设定为2.5米。该连续等高线与高程点由2017至2020年间采集的、经抽稀处理的激光雷达(Light Detection and Ranging, LiDAR)地面高程点生成。 自2021年起,该主地图还包含海域等深线与水深点数据。等深线与水深点由爱沙尼亚土地局(Land Board)基于2020年末运输局(Transport Agency)水文信息系统(Hydrography Information System, HIS)的水深点数据生成。



