1 /*
2  * Software License Agreement (BSD License)
3  *
4  *  Point Cloud Library (PCL) - www.pointclouds.org
5  *  Copyright (c) 2010-2011, Willow Garage, Inc.
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11  *  are met:
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14  *     notice, this list of conditions and the following disclaimer.
15  *   * Redistributions in binary form must reproduce the above
16  *     copyright notice, this list of conditions and the following
17  *     disclaimer in the documentation and/or other materials provided
18  *     with the distribution.
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21  *     from this software without specific prior written permission.
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23  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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36  */
37 
38 #pragma once
39 
40 #include <pcl/common/common.h>
41 #include <pcl/ml/dt/decision_tree.h>
42 
43 #include <istream>
44 #include <ostream>
45 
46 namespace pcl {
47 
48 /** Class representing a decision forest. */
49 template <class NodeType>
50 class PCL_EXPORTS DecisionForest : public std::vector<pcl::DecisionTree<NodeType>> {
51 
52 public:
53   /** Constructor. */
DecisionForest()54   DecisionForest() {}
55 
56   /** Destructor. */
~DecisionForest()57   virtual ~DecisionForest() {}
58 
59   /** Serializes the decision tree.
60    *
61    * \param[out] stream The destination for the serialization
62    */
63   void
serialize(::std::ostream & stream)64   serialize(::std::ostream& stream) const
65   {
66     const int num_of_trees = static_cast<int>(this->size());
67     stream.write(reinterpret_cast<const char*>(&num_of_trees), sizeof(num_of_trees));
68 
69     for (std::size_t tree_index = 0; tree_index < this->size(); ++tree_index) {
70       (*this)[tree_index].serialize(stream);
71     }
72 
73     // const int num_of_trees = static_cast<int> (trees_.size ());
74     // stream.write (reinterpret_cast<const char*> (&num_of_trees), sizeof
75     // (num_of_trees));
76 
77     // for (std::size_t tree_index = 0; tree_index < trees_.size (); ++tree_index)
78     //{
79     //  tree_[tree_index].serialize (stream);
80     //}
81   }
82 
83   /** Deserializes the decision tree.
84    *
85    * \param[in] stream The source for the deserialization
86    */
87   void
deserialize(::std::istream & stream)88   deserialize(::std::istream& stream)
89   {
90     int num_of_trees;
91     stream.read(reinterpret_cast<char*>(&num_of_trees), sizeof(num_of_trees));
92     this->resize(num_of_trees);
93 
94     for (std::size_t tree_index = 0; tree_index < this->size(); ++tree_index) {
95       (*this)[tree_index].deserialize(stream);
96     }
97 
98     // int num_of_trees;
99     // stream.read (reinterpret_cast<char*> (&num_of_trees), sizeof (num_of_trees));
100     // trees_.resize (num_of_trees);
101 
102     // for (std::size_t tree_index = 0; tree_index < trees_.size (); ++tree_index)
103     //{
104     //  tree_[tree_index].deserialize (stream);
105     //}
106   }
107 
108 private:
109   /** The decision trees contained in the forest. */
110   // std::vector<DecisionTree<NodeType> > trees_;
111 };
112 
113 } // namespace pcl
114