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plot/save.hh
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26 
27 #ifndef MLN_IO_PLOT_SAVE_HH
28 # define MLN_IO_PLOT_SAVE_HH
29 
33 
34 # include <iostream>
35 # include <fstream>
36 # include <mln/core/image/image1d.hh>
37 # include <mln/util/array.hh>
38 # include <mln/histo/array.hh>
39 
40 
41 namespace mln
42 {
43 
44  namespace io
45  {
46 
47  namespace plot
48  {
49 
57  template <typename I>
58  void save(const image1d<I>& ima, const std::string& filename);
59 
69  template <typename T>
70  void save(const util::array<T>& arr, const std::string& filename,
71  int start_value = 0);
72 
74  template <typename T>
75  void save(const histo::array<T>& arr, const std::string& filename);
76 
77 # ifndef MLN_INCLUDE_ONLY
78 
79 
80 
81  // FIXME: Make it generic.
82  template <typename T>
83  inline
84  void save(const image1d<T>& ima, const std::string& filename)
85  {
86  mln_trace("mln::io::plot::save");
87 
88  std::ofstream file_out(filename.c_str());
89  unsigned end = ima.bbox().pmax().ind();
90  for (unsigned i = ima.bbox().pmin().ind(); i <= end; ++i)
91  file_out << i << " " << ima.at_(i) << std::endl;
92 
93  }
94 
95  template <typename T>
96  inline
97  void save(const util::array<T>& arr, const std::string& filename,
98  int start_value)
99  {
100  mln_trace("mln::io::plot::save");
101 
102  std::ofstream file_out(filename.c_str());
103  for (unsigned i = 0; i < arr.nelements(); ++i)
104  file_out << start_value + i << " " << arr[i] << std::endl;
105 
106  }
107 
108  template <typename T>
109  inline
110  void save(const histo::array<T>& arr, const std::string& filename)
111  {
112  mln_trace("mln::io::plot::save");
113 
114  std::ofstream file_out(filename.c_str());
115  for (unsigned i = 0; i < arr.nvalues(); ++i)
116  file_out << i << " " << arr[i] << std::endl;
117 
118  }
119 
120 
121 # endif // ! MLN_INCLUDE_ONLY
122 
123  } // end of namespace mln::io::plot
124 
125  } // end of namespace mln::io
126 
127 } // end of namespace mln
128 
129 
130 #endif // ! MLN_IO_PLOT_SAVE_HH