tudelft3d / geo1101.2020.ahn3 Star 5 Code Issues Pull requests An improved AHN3 gridded DTM/DSM done as university project for the MSc Geomatics @ TU Delft interpolation point-cloud lidar geomatics rasterization rasterio dsm shapely dtm tudelft laspy ahn startin ahn3 hydroflattening Updated Dec 8, 2025 Python