other-openMikko Auvinen2025-04-292019-01-112019-01-11https://datakatalogi.helsinki.fi/handle/123456789/5203First release of the raster maps (topography, orography, tree heights and land cover types) refined from Helsinki 3D open access point cloud data. These are particularly useful for numerical modelling purposes.UrbanTopographyOrographysoftware