// Implementation: Testprogram for 3-dimensional Segment Trees // A three dimensional Segment Tree is defined in this class. // Ti is the type of each dimension of the tree. #include #include #include #include #include #include #include typedef CGAL::Simple_cartesian K; typedef CGAL::Range_segment_tree_set_traits_3 Traits; typedef CGAL::Segment_tree_3 Segment_tree_3_type; int main() { typedef Traits::Interval Interval; typedef Traits::Key Key; // definition of the two-dimensional segment tree std::list InputList, OutputList, N; // insertion of the tree elements into the sequence container InputList.push_back(Interval(Key(1,5,7), Key(2,7,9))); InputList.push_back(Interval(Key(2,7,6), Key(3,8,9))); InputList.push_back(Interval(Key(6,9,5), Key(9,13,8))); InputList.push_back(Interval(Key(1,3,4), Key(3,9,8))); // creation of the segment tree std::list::iterator first = InputList.begin(); std::list::iterator last = InputList.end(); Segment_tree_3_type Segment_tree_3(first,last); // perform a window query Interval a(Key(3,6,5), Key(7,12,8)); Segment_tree_3.window_query(a,std::back_inserter(OutputList)); // output of the querey elements on stdout std::list::iterator j = OutputList.begin(); std::cerr << "\n window_query (3,6,5),(7,12,8) \n"; while(j!=OutputList.end()) { std::cerr << (*j).first.x() << "," << (*j).first.y() << "," << (*j).first.z() <<", " << (*j).second.x() << "," << (*j).second.y() << "," << (*j).second.z() << std::endl; j++; } Interval b(Key(6,10,7),Key(7,11,8)); Segment_tree_3.enclosing_query(b,std::back_inserter(N)); j = N.begin(); std::cerr << "\n enclosing_query (6,10,7), (7,11,8)\n"; while(j!=N.end()) { std::cerr << (*j).first.x() << "," << (*j).first.y() << "," << (*j).first.z() <<", " << (*j).second.x() << "," << (*j).second.y() << "," << (*j).second.z() << std::endl; j++; } if(Segment_tree_3.segment_tree_3->is_valid()) std::cerr << "Tree is valid\n"; else std::cerr << "Tree is not valid\n"; return 0; }