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Olena  User documentation 2.1
An Image Processing Platform
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world/inter_pixel/compute.cc
1 // Copyright (C) 2009, 2014 EPITA Research and Development Laboratory (LRDE).
2 //
3 // This file is part of Olena.
4 //
5 // Olena is free software: you can redistribute it and/or modify it under
6 // the terms of the GNU General Public License as published by the Free
7 // Software Foundation, version 2 of the License.
8 //
9 // Olena is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 // General Public License for more details.
13 //
14 // You should have received a copy of the GNU General Public License
15 // along with Olena. If not, see <http://www.gnu.org/licenses/>.
16 //
17 // As a special exception, you may use this file as part of a free
18 // software project without restriction. Specifically, if other files
19 // instantiate templates or use macros or inline functions from this
20 // file, or you compile this file and link it with other files to produce
21 // an executable, this file does not by itself cause the resulting
22 // executable to be covered by the GNU General Public License. This
23 // exception does not however invalidate any other reasons why the
24 // executable file might be covered by the GNU General Public License.
25 
26 #include <cmath>
27 
28 #include <mln/core/image/image2d.hh>
29 #include <mln/data/compare.hh>
30 #include <mln/world/inter_pixel/immerse.hh>
31 #include <mln/world/inter_pixel/compute.hh>
32 
33 #include <mln/world/inter_pixel/neighb2d.hh>
34 #include <mln/morpho/watershed/flooding.hh>
35 #include <mln/debug/println.hh>
36 
37 
38 
39 struct d_t : mln::Function_vv2v<d_t>
40 {
41  typedef int result;
42 
43  int operator()(int i1, int i2) const
44  {
45  return std::abs(i2 - i1);
46  }
47 }
48  d;
49 
50 
51 
52 int main()
53 {
54  using namespace mln;
55 
56  int vals[] = { 3, 4, 5,
57  1, 3, 6 ,
58  8, 7, 3 } ;
59 
60  typedef image2d<int> I;
61  I ima = make::image2d(vals);
62 
63  using namespace world::inter_pixel;
64  typedef image_if<I, is_pixel> Ix;
65  Ix imax = immerse(ima);
66 
67 
68  int refs[] = { 0, 1, 0, 1, 0,
69  2, 0, 1, 0, 1,
70  0, 2, 0, 3, 0,
71  7, 0, 4, 0, 3,
72  0, 1, 0, 4, 0 };
73 
74  mln_assertion(compute(imax, d) == (make::image2d(refs) | is_separator()));
75 
77  g_t g = compute(imax, d);
78 
79  unsigned n_basins;
81 }