CGAL 6.1 - 2D Segment Delaunay Graphs

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Segment_Delaunay_graph_2/sdg-filtered-traits.cpp
// standard includes
#include <iostream>
#include <fstream>
#include <cassert>
// example that uses the filtered traits and
// the segment Delaunay graph hierarchy
// choose the kernel
#include <CGAL/Simple_cartesian.h>
typedef CGAL::Simple_cartesian<double> K;
// typedefs for the traits and the algorithm
#include <CGAL/Segment_Delaunay_graph_hierarchy_2.h>
#include <CGAL/Segment_Delaunay_graph_filtered_traits_2.h>
typedef CGAL::Segment_Delaunay_graph_filtered_traits_2<K> Gt;
typedef CGAL::Segment_Delaunay_graph_hierarchy_2<Gt> SDG2;
int main()
{
std::ifstream ifs("data/sites.cin");
assert( ifs );
SDG2 sdg;
SDG2::Site_2 site =
SDG2::Site_2::construct_site_2(K::Point_2(CGAL::ORIGIN));
// read the sites and insert them in the segment Delaunay graph
while ( ifs >> site ) {
sdg.insert(site);
}
// validate the segment Delaunay graph
assert( sdg.is_valid(true, 1) );
return 0;
}
CGAL::Segment_Delaunay_graph_hierarchy_2
We provide an alternative to the class Segment_Delaunay_graph_2<Gt,St,DS> for the incremental constru...
Definition: Segment_Delaunay_graph_hierarchy_2.h:84
CGAL::ORIGIN
const CGAL::Origin ORIGIN
CGAL::Segment_Delaunay_graph_filtered_traits_2
The class Segment_Delaunay_graph_filtered_traits_2 provides a model for the SegmentDelaunayGraphTrait...
Definition: Segment_Delaunay_graph_filtered_traits_2.h:69
CGAL::Simple_cartesian