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Bathymetry map (DEM) and the reservoir Volume from bathymetry points

Question asked by fsh.shafiei on Feb 21, 2017
Latest reply on Feb 22, 2017 by dkwiens


I would like to create a bathymetry map (DEM) and calculate the volume for a large riverine reservoir (Lake Diefenbaker). I have the bathymetry depth points. The first issue is how can I restrict the interpolation area to the shoreline areas? Because points are along the river valley which it divides into a fork at the end (T shape reservoir, attached photo), I can’t simply create a TIN surface without creating a boundary around.

Could anyone provide me with a workflow from POINTS --> Bathymetry map (DEM) and the reservoir Volume?