mirror of https://github.com/CGAL/cgal
43 lines
1.4 KiB
C++
43 lines
1.4 KiB
C++
#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
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#include <CGAL/Regular_triangulation_2.h>
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#include <CGAL/regular_neighbor_coordinates_2.h>
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#include <iostream>
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#include <iterator>
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#include <vector>
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#include <utility>
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typedef CGAL::Exact_predicates_inexact_constructions_kernel K;
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typedef CGAL::Regular_triangulation_2<K> Regular_triangulation;
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typedef Regular_triangulation::Bare_point Bare_point;
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typedef Regular_triangulation::Weighted_point Weighted_point;
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typedef std::vector<std::pair<Weighted_point, K::FT> > Point_coordinate_vector;
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int main()
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{
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Regular_triangulation rt;
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for (int y=0; y<3; y++)
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for (int x=0; x<3; x++)
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rt.insert(Weighted_point(Bare_point(x,y), 0));
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//coordinate computation
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Weighted_point wp(Bare_point(1.2, 0.7), 2);
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Point_coordinate_vector coords;
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CGAL::Triple<std::back_insert_iterator<Point_coordinate_vector>, K::FT, bool> result =
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CGAL::regular_neighbor_coordinates_2(rt, wp, std::back_inserter(coords));
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if(!result.third){
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std::cout << "The coordinate computation was not successful." << std::endl;
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std::cout << "The point (" <<wp.point() << ") lies outside the convex hull." << std::endl;
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}
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K::FT norm = result.second;
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std::cout << "Coordinate computation successful." << std::endl;
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std::cout << "Normalization factor: " << norm << std::endl;
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return EXIT_SUCCESS;
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}
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