location == Quadtree Control File (.qcf)

command == Read GIS Nesting

description == Used to define polygons of mesh refinement (different levels).

wiki link == https://wiki.tuflow.com/TUFLOW_Empty_Files#TUFLOW_Quadtree_Control_File_.28QCF.29

manual link == https://docs.tuflow.com/classic-hpc/manual/2026.0/TwoD-Domains-1.html#QDT-mesh-4