point-tree-node.h

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// Copyright 2007, Massachusetts Institute of Technology.
// The use of this code is permitted for research only. There is
// absolutely no warranty for this software.
//
// Author: John Lee (jjl@mit.edu)
//

#ifndef TREE_POINT_TREE_NODE_H
#define TREE_POINT_TREE_NODE_H

#include <iostream>
#include "tree/tree-node.h"
#include "point_set/point.h"

using namespace std;

namespace libpmk {


class PointTreeNode : public TreeNode {
public:
  PointTreeNode();
  PointTreeNode(int node_id);

  PointTreeNode(const PointTreeNode& other);

  const Point& point() const { return *(point_.get()); }
  Point* mutable_point() { return point_.get(); }
  void set_point(const Point& point) { point_.reset(new Point(point)); }
  bool has_point() const { return point_.get() != NULL;  }

  virtual ~PointTreeNode() { }

  virtual void Combine(const TreeNode& other);

protected:
  virtual void ReadData(istream& input_stream);

  virtual void WriteData(ostream& output_stream) const;

private:
  auto_ptr<Point> point_;
};
}  // namespace libpmk

#endif  // TREE_TREE_NODE_H

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