DSM is collected by laser scanning from aircraft (LiDAR). The elevation model is constantly updated, approx. 1/5 a year. Data contains information about when an area has flown. The point cloud has an average density of 4-5 points / m2 for data collected in 2014/15 and 8 points / m2 for data from 2018 onwards. The point cloud is classified and only points located on surface form the basis for this dataset. The point cloud is converted into a grid with a size of 0.4 meters. Specifications: Horizontal 0.15 meters, Vertical 0.05 meters.
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