Automated terrain generation using LIDAR and waterbody survey data

Authors:
Maik Flanagin;Aurélien Grenotton;Jay Ratcliff;Mahdi Abdelguerfi;Kevin Shaw
Affiliations:
University of New Orleans;University of New Orleans;U.S. Army Corps of Engineers;University of New Orleans;Naval Research Laboratory
Venue:
Proceedings of the 2005 ACM symposium on Applied computing
Year:
2005

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Abstract

LIDAR data provides a dense and precise sampling of ground elevations on land, but not of bathymetric elevations in a waterway. By supplementing LIDAR data with densely interpolated waterway survey data, terrain models can be generated to approximate LIDAR-derived topography combined with waterway bathymetry. Three-dimensional interpolation techniques are used to generate a dense waterway bathymetry, as well as the bounding region to clip and fill the LIDAR data with this bathymetry. Consequently, the resulting terrain is fit for both visualization and further processing in hydraulic and hydrological models.