Height data NVE Flaum Ottavassdraget Skjåk RGB 2018
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Elevation data provides a detailed description of terrain and surface. The data are established as point clouds from airborne laser scanning or matching from aerial images. The point clouds have varying density (point/m²) for different purposes. From the point clouds, elevation models are generated on grid format of terrain (DTM) and surface (DOM). Elevation data provides a detailed description of terrain and surface. The data are established as point clouds from airborne laser scanning or matching from aerial images. The point clouds have varying density (point/m²) for different purposes. From the point clouds, elevation models are generated on grid format of terrain (DTM) and surface (DOM).
高程数据可对地形与地表进行精细化描述。此类数据通过机载激光扫描或航空影像匹配生成点云。针对不同应用场景,点云的密度(点/平方米)存在差异。基于上述点云,可生成地形数字高程模型(DTM,Digital Terrain Model)与地表数字高程模型(DOM,Digital Surface Model)的格网格式数据。高程数据可对地形与地表进行精细化描述。 此类数据通过机载激光扫描或航空影像匹配生成点云。 针对不同应用场景,点云的密度(点/平方米)存在差异。 基于上述点云,可生成地形数字高程模型(DTM,Digital Terrain Model)与地表数字高程模型(DOM,Digital Surface Model)的格网格式数据。



