Concept

ArrDirectionalTraits::ConstructOpposite_2

Refines

Functor

Has Models

ArrangementDirectionalXMonotoneTraits_2::ConstructOpposite_2

ArrDirectionalTraits::X_monotone_curve_2
fo ( ArrDirectionalTraits::X_monotone_curve_2 xc )
accepts an x-monotone curve xc and returns its opposite curve, namely a curve whose graph is the same as xc's, and whose source and target are swapped with respect to xc's source and target.