\( \newcommand{\E}{\mathrm{E}} \) \( \newcommand{\A}{\mathrm{A}} \) \( \newcommand{\R}{\mathrm{R}} \) \( \newcommand{\N}{\mathrm{N}} \) \( \newcommand{\Q}{\mathrm{Q}} \) \( \newcommand{\Z}{\mathrm{Z}} \) \( \def\ccSum #1#2#3{ \sum_{#1}^{#2}{#3} } \def\ccProd #1#2#3{ \sum_{#1}^{#2}{#3} }\)

CGAL 4.8 - L Infinity Segment Delaunay Graphs

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Segment_Delaunay_graph_Linf_2/sdg-filtered-traits-linf.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> Rep;
// typedefs for the traits and the algorithm
#include <CGAL/Segment_Delaunay_graph_Linf_hierarchy_2.h>
#include <CGAL/Segment_Delaunay_graph_Linf_filtered_traits_2.h>
typedef CGAL::Segment_Delaunay_graph_Linf_filtered_traits_2<Rep> Gt;
typedef CGAL::Segment_Delaunay_graph_Linf_hierarchy_2<Gt> SDG2;
int main( int argc, char *argv[] )
{
if ( ! (( argc == 1 ) || (argc == 2)) ) {
std::cout <<"usage: "<< argv[0] <<" [filename]\n";
}
std::ifstream ifs( (argc == 1) ? "data/sites.cin" : argv[1] );
assert( ifs );
SDG2 sdg;
SDG2::Site_2 site;
// 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;
}