location == BC Control File (.tbc)

command == Read GIS BC

description == Used to define the location and attributes of 2D model boundary conditions. Including:\n\tExternal flow verse time boundaries\n\tExternal flow verse water level boundaries\n\tExternal water level verse time boundaries\n\tInternal 1D/2D connections\n\tInternal 2D/2D connections

wiki link == https://wiki.tuflow.com/TUFLOW_Empty_Files#TUFLOW_Boundary_Control_file_.28TBC.29

manual link == https://docs.tuflow.com/classic-hpc/manual/2025.1/Boundaries-InitialConditions-1.html#BC-Layers-3