location == Geometry Control File (.tgc)

command == Read GIS Location

description == Used to define the 2D mesh (grid) origin and orientation.

wiki link == https://wiki.tuflow.com/TUFLOW_Empty_Files#TUFLOW_Geometry_Control_file_.28TGC.29

manual link == https://docs.tuflow.com/classic-hpc/manual/2025.1/TwoD-Domains-1.html#Domain-3