location == Geometry Control File (.tgc)

command == Read GIS Layered FC Shape

description == Used in conjunction with 2d_lfcsh to modify elevations along 2d_lfcsh polyline. 2d_lfcsh_pts has reduced number of attributes to only relevant fields for point objects. 

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 == 299