location == Geometry Control File (.tgc)

command == Read GIS Variable Z Shape

description == Used to define the final 3D shape of the Zpts at the completion of a breach, or other change in topographic shape, during a simulation.

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#vzsh-4