CGAL 5.4 - 2D Arrangements
ArrangementContractedBottomTraits_2 Concept Reference


A model of the concept ArrangementContractedBottomTraits_2 must be used when the parameter space of the surface, the arrangement is embedded on, is contracted on the bottom 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 bottom boundary side when it is contracted.

See also
ArrangementContractedLeftTraits_2, ArrangementContractedRightTraits_2, ArrangementContractedTopTraits_2, ArrangementClosedBottomTraits_2, ArrangementContractedBottomTraits_2, and ArrangementIdentifiedHorizontalTraits_2


typedef unspecified_type Bottom_side_category
 Must be convertible to CGAL::Arr_contracted_side_tag.