YMonotonePartitionIsValidTraits_2 Concept Reference

Definition

Requirements of a traits class that is used by y_monotone_partition_is_valid_2 for testing the validity of a \( y\)-monotone partition of a polygon.

Has models

CGAL::Partition_traits_2<R>

See also

CGAL::partition_is_valid_2()

CGAL::y_monotone_partition_2()

Types
All types required by the concept PartitionIsValidTraits_2 are required except the function object type Is_valid. The following type is required instead:
typedef unspecified_type	Is_y_monotone_2
	Model of the concept PolygonIsValid that tests if a sequence of points is \( y\)-monotone or not.

Creation
Only a copy constructor is required.
	YMonotonePartitionIsValidTraits_2 (YMonotonePartitionIsValidTraits_2 tr)

Operations
The following function that creates an instance of the above predicate object type must exist instead of the function is_valid_object required by PartitionIsValidTraits_2.
Is_y_monotone_2	is_y_monotone_2_object (YMonotonePartitionIsValidTraits_2 tr)