CGAL 5.4 - 2D Arrangements
ArrangementOpenLeftTraits_2 Concept Reference


A model of the concept ArrangementOpenLeftTraits_2 must be used when the parameter space of the surface, the arrangement is embedded on, is open on the left side and curves inserted into the arrangement are expected to reach this boundary side. A model of this concept can handle curves that reach the left boundary side when it is open.

See also
ArrangementOpenRightTraits_2, ArrangementOpenBottomTraits_2, ArrangementOpenTopTraits_2, ArrangementClosedLeftTraits_2, ArrangementContractedLeftTraits_2, and ArrangementIdentifiedVerticalTraits_2


typedef unspecified_type Left_side_category
 Must be convertible to CGAL::Arr_open_side_tag.