cgal/Visibility_2/test/test_naive_visibility.cpp

101 lines
4.2 KiB
C++

/*
* Author: Kan Huang
* E-mail: huangkandiy@gmail.com
*/
#include <CGAL/basic.h>
#include <CGAL/Cartesian.h>
#include <CGAL/Gmpq.h>
#include <CGAL/Exact_predicates_exact_constructions_kernel.h>
#include <CGAL/Arr_segment_traits_2.h>
#include <CGAL/Arrangement_2.h>
#include <CGAL/Naive_visibility_2.h>
#include <CGAL/test_model_methods.h>
#include <CGAL/test_utils.h>
#include <iostream>
#include <fstream>
#include <string>
template <typename T>
std::string number2string(T n) {
std::stringstream ss;
ss << n;
return ss.str();
}
int main() {
int case_number = 1;
//test kernel Cartesian<Gmpq>
{
typedef CGAL::Gmpq Number_type;
typedef CGAL::Cartesian<Number_type> Kernel;
typedef CGAL::Arr_segment_traits_2<Kernel> Traits_2;
typedef Traits_2::Point_2 Point_2;
typedef Traits_2::X_monotone_curve_2 Segment_2;
typedef CGAL::Arrangement_2<Traits_2> Arrangement_2;
std::cout<<"Kernel: Cartesian<Gmpq>"<<std::endl;
for (int i=1; i <= case_number; i++) {
std::cout<<"Test "<<i<<" begins"<<std::endl;
std::string input_arr_file("data/Arrangement_Test/in");
input_arr_file += number2string(i);
std::string ans_file("data/Arrangement_Test/non_regular_out");
ans_file += number2string(i);
std::ifstream input(input_arr_file.c_str());
// std::cout<<"read file over\n";
std::ifstream ans_input(ans_file.c_str());
// std::cout<<"read another file\n";
Arrangement_2 arr_in, arr_ans, arr_vb;
CGAL::create_arrangement_from_file<Arrangement_2>(arr_in, input);
CGAL::create_arrangement_from_file<Arrangement_2>(arr_ans, ans_input);
CGAL::Visibility_2::Naive_visibility_2<Arrangement_2, CGAL::Tag_false> vb(arr_in);
typename Arrangement_2::Face_const_handle fit = arr_in.faces_begin();
do {
if (!fit->is_unbounded()) break;
} while (++fit != arr_in.faces_end());
vb.visibility_region(Point_2(0, 0), fit, arr_vb);
CGAL::Visibility_2::print_arrangement(arr_vb);
CGAL::Visibility_2::print_arrangement(arr_ans);
std::cout<<(true == (CGAL::test_are_equal<Arrangement_2>(arr_ans, arr_vb)))<<std::endl;
std::cout<<CGAL::compare_arr_by_edges(arr_ans, arr_vb)<<std::endl;
}
}
//test kernel Exact_predicates_exact_constructions_kernel
// {
// typedef CGAL::Exact_predicates_exact_constructions_kernel Kernel;
// typedef CGAL::Arr_segment_traits_2<Kernel> Traits_2;
// typedef Traits_2::Point_2 Point_2;
// typedef Traits_2::X_monotone_curve_2 Segment_2;
// typedef CGAL::Arrangement_2<Traits_2> Arrangement_2;
// std::cout<<"Kernel: Exact_predicates_exact_constructions"<<std::endl;
// for (int i=1; i <= case_number; i++) {
// std::cout<<"Test "<<i<<" begins"<<std::endl;
// std::string input_arr_file("data/Arrangement_Test/in");
// input_arr_file += number2string(i);
// std::string ans_file("data/Arrangement_Test/non_regular_out");
// ans_file += number2string(i);
// std::ifstream input(input_arr_file.c_str());
// std::ifstream ans_input(ans_file.c_str());
// Arrangement_2 arr_in, arr_ans, arr_vb;
// CGAL::create_arrangement_from_file<Arrangement_2>(arr_in, input);
// CGAL::create_arrangement_from_file<Arrangement_2>(arr_ans, ans_input);
// CGAL::Visibility_2::Naive_visibility_2<Arrangement_2, CGAL::Tag_false> vb(arr_in);
// typename Arrangement_2::Face_const_handle fit = arr_in.faces_begin();
// do {
// if (!fit->is_unbounded()) break;
// } while (++fit != arr_in.faces_end());
// vb.visibility_region(Point_2(0, 0), fit, arr_vb);
// std::cout<<(true == (CGAL::test_are_equal<Arrangement_2>(arr_ans, arr_vb)))<<std::endl;
// }
// }
return 0;
}