CGAL 6.1.2 - 2D Polyline Simplification: CGAL::Polyline_simplification_2::Stop_below_count_ratio_threshold Class Reference

CGAL 6.1.2 - 2D Polyline Simplification

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CGAL::Polyline_simplification_2::Stop_below_count_ratio_threshold Class Reference
Reference Manual » Polyline Simplification Classes

`#include <CGAL/Polyline_simplification_2/Stop_below_count_ratio_threshold.h>`

## Definition

This class is a stop predicate returning `true` when the percentage of remaining vertices is smaller than a certain threshold.

Is model of
  `PolylineSimplificationStopPredicate`

## Public Member Functions
| Stop_below_count_ratio_threshold (double threshold)
| Initializes it with the given threshold value.
template<class CDT >
bool | operator() (const Constrained_triangulation_plus_2< CDT > &, typename Constrained_triangulation_plus_2< CDT >::Vertex_handle, typename CDT::Geom_traits::FT, std::size_t initial_count, std::size_t current_count) const
| Returns `true` when `( current_count / initial_count )` is smaller or equal than the threshold.

## Member Function Documentation

## ◆ operator()()

template<class CDT >

bool CGAL::Polyline_simplification_2::Stop_below_count_ratio_threshold::operator() | ( | const Constrained_triangulation_plus_2< CDT > & | ,
|  | typename Constrained_triangulation_plus_2< CDT >::Vertex_handle | ,
|  | typename CDT::Geom_traits::FT | ,
|  | std::size_t | initial_count,
|  | std::size_t | current_count
| ) |  | const

Returns `true` when `( current_count / initial_count )` is smaller or equal than the threshold.

Template Parameters

  CDT | must be `CGAL::Constrained_Delaunay_triangulation_2` with a vertex type that is model of `PolylineSimplificationVertexBase_2`.