// 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/Tree_Traits.h" #include #include #include #include typedef CGAL::Segment_tree_3 Segment_tree_3_type; int main() { typedef CGAL::Tree_traits_3::Interval Interval; typedef CGAL::Tree_traits_3::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, 3, 5), Key(2,5,7))); InputList.push_back(Interval(Key(2,6.7,5), Key(4,6.9, 8))); InputList.push_back(Interval(Key(2,4.55, 8), Key(5, 7.88, 10))); InputList.push_back(Interval(Key(2, 4.66, 5), Key(6, 8.99, 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(3,4.88, 6), Key(6, 8.999, 9)); 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 (3,4.88, 6),(6, 8.999, 9)\n"; while(j!=OutputList.end()) { std::cerr << (*j).first.key_1 << "," << (*j).first.key_2 << ", " << (*j).first.key_3 << "-" << (*j).second.key_1 << "," << (*j).second.key_2 << ", " << (*j).second.key_3 << std::endl; j++; } Interval b(Key(2,6.8,9),Key(3,7,10)); Segment_tree_3.enclosing_query(b,std::back_inserter(N)); j = N.begin(); std::cerr << "\n enclosing_query(2,6.8,9),(3,7,10)\n"; while(j!=N.end()) { std::cerr << (*j).first.key_1 << "," << (*j).first.key_2 << ", " << (*j).first.key_3 << "-" << (*j).second.key_1 << "," << (*j).second.key_2 << ", " << (*j).second.key_3 << 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; }