// Implementation: Testprogram for 2-dimensional Segment Trees // A two 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_2 Segment_tree_2_type; int main() { typedef CGAL::Tree_traits_2::Interval Interval; typedef CGAL::Tree_traits_2::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(64, 139), Key(81.3, 921.3))); // InputList.push_back(Interval(Key(465, 504), Key(499.3, 829.0))); // InputList.push_back(Interval(Key(288, 875), Key(379.5, 982.7))); // InputList.push_back(Interval(Key(314, 465), Key(375.1, 711.5))); InputList.push_back(Interval(Key(64, 139), Key(81, 921.3))); InputList.push_back(Interval(Key(465, 504), Key(499, 829.0))); InputList.push_back(Interval(Key(288, 875), Key(379, 982.7))); InputList.push_back(Interval(Key(314, 465), Key(375, 711.5))); // creation of the segment tree std::list::iterator first = InputList.begin(); std::list::iterator last = InputList.end(); Segment_tree_2_type Segment_tree_2(first,last); // perform a window query // Interval a(Key(45, 500), Key(200.0, 675.1)); Interval a(Key(45, 500), Key(200, 675.1)); Segment_tree_2.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 (45, 500), (200.0, 675.1)\n"; while(j!=OutputList.end()) { std::cerr << (*j).first.first << "-" << (*j).second.first << " " << (*j).first.second << "-" << (*j).second.second << std::endl; j++; } // Interval b(Key(320, 900),Key(330.1,910.7)); Interval b(Key(320, 900),Key(330,910.7)); Segment_tree_2.enclosing_query(b,std::back_inserter(N)); j = N.begin(); std::cerr << "\n enclosing_query (320, 900),(330.1,910.7)\n"; while(j!=N.end()) { std::cerr << (*j).first.first << "-" << (*j).second.first << " " << (*j).first.second << "-" << (*j).second.second << std::endl; j++; } if(Segment_tree_2.segment_tree_2->is_valid()) std::cerr << "Tree is valid\n"; else std::cerr << "Tree is not valid\n"; return 0; }