location == Geometry Control File (.tgc)

command == Read GIS FLC

description == Used to apply an additional energy loss at the 2D cell side. The form or energy loss can be applied as fixed values or on a form loss per unit length basis.

wiki link == https://wiki.tuflow.com/index.php?title=TUFLOW_Empty_Files#TUFLOW_Geometry_Control_file_.28TGC.29

manual link == https://downloads.tuflow.com/_archive/TUFLOW/Releases/2018-03/TUFLOW%20Manual.2018-03.pdf
manual page == 279