location == TUFLOW FV Control File (.fvc)

command == Read GIS Nodestring

description == Used to define the location of model nodestrings. Nodestrings select a series of cell faces and are used to define open boundary conditions, and connections between 1D hydraulic structures and the 2D/3D domain. Also used to define flux reporting time series locations.

wiki link == https://fvwiki.tuflow.com/Introduction_to_GIS_Integration

manual link == https://docs.tuflow.com/fv/manual/2026.0/HD2D-BC-2.html#HD2D-BC-Desc-BLD-Polyline-5