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Multiple outlet correction when delineating multiple basins on a DEM


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I have to model a very large area with more than 400 basins on it. After running topaz for generating the stream accumulation cells I placed all the outlets that I needed. When running thebasin delineation wizard it tells me " One or more outlets are outside a flow accumulation cell". I want to know if there is a way of knowing( Or deleting instantly) which of the outlets points are outside the flow cells, as is slow and difficult to know. 


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