Milena (Olena)
User documentation 2.0a Id
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00001 // Copyright (C) 2009 EPITA Research and Development Laboratory (LRDE) 00002 // 00003 // This file is part of Olena. 00004 // 00005 // Olena is free software: you can redistribute it and/or modify it under 00006 // the terms of the GNU General Public License as published by the Free 00007 // Software Foundation, version 2 of the License. 00008 // 00009 // Olena is distributed in the hope that it will be useful, 00010 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00012 // General Public License for more details. 00013 // 00014 // You should have received a copy of the GNU General Public License 00015 // along with Olena. If not, see <http://www.gnu.org/licenses/>. 00016 // 00017 // As a special exception, you may use this file as part of a free 00018 // software project without restriction. Specifically, if other files 00019 // instantiate templates or use macros or inline functions from this 00020 // file, or you compile this file and link it with other files to produce 00021 // an executable, this file does not by itself cause the resulting 00022 // executable to be covered by the GNU General Public License. This 00023 // exception does not however invalidate any other reasons why the 00024 // executable file might be covered by the GNU General Public License. 00025 00029 00030 #include <mln/core/image/image2d.hh> 00031 #include <mln/labeling/blobs.hh> 00032 #include <mln/labeling/colorize.hh> 00033 #include <mln/value/rgb8.hh> 00034 #include <mln/io/ppm/save.hh> 00035 00036 #include <mln/io/pbm/load.hh> 00037 #include <mln/make/neighb2d.hh> 00038 #include <mln/make/double_neighb2d.hh> 00039 00040 00041 00042 template <typename N> 00043 void labelize(const mln::image2d<bool>& pic, 00044 const N& nbh, 00045 const std::string& filename) 00046 { 00047 using namespace mln; 00048 using value::rgb8; 00049 unsigned n; 00050 image2d<unsigned> lab = labeling::blobs(pic, nbh, n); 00051 image2d<rgb8> out = labeling::colorize(rgb8(), lab, n); 00052 io::ppm::save(out, filename); 00053 } 00054 00055 00056 bool chess(const mln::point2d& p) 00057 { 00058 return (p.row() + p.col()) % 2 == 0; 00059 } 00060 00061 bool top_right(const mln::point2d& p) 00062 { 00063 return p.col() >= p.row(); 00064 } 00065 00066 00067 int main() 00068 { 00069 using namespace mln; 00070 00071 image2d<bool> pic = io::pbm::load("drawing.pbm"); 00072 00073 00074 // Classical 2D neighborhoods. 00075 00076 labelize(pic, c4(), "c4.ppm"); 00077 labelize(pic, c8(), "c8.ppm"); 00078 00079 00080 // A user-defined simple neighborhood. 00081 00082 bool horiz[] = { 0, 0, 0, 00083 1, 0, 1, 00084 0, 0, 0 }; 00085 labelize(pic, make::neighb2d(horiz), "c2.ppm"); 00086 00087 00088 // Another user-defined simple neighborhood. 00089 00090 bool tilt[] = { 1, 1, 0, 00091 0, 0, 0, 00092 0, 1, 1 }; 00093 labelize(pic, make::neighb2d(tilt), "cZ.ppm"); 00094 00095 00096 // A user-defined double-neighborhood. 00097 00098 bool nbh1[] = { 1, 1, 0, 00099 1, 0, 1, 00100 0, 1, 1 }; 00101 00102 bool nbh2[] = { 0, 1, 1, 00103 1, 0, 1, 00104 1, 1, 0 }; 00105 labelize(pic, make::double_neighb2d(chess, nbh1, nbh2), "c6.ppm"); 00106 00107 00108 // Another user-defined double-neighborhood. 00109 00110 labelize(pic, make::double_neighb2d(top_right, nbh1, nbh2), "cX.ppm"); 00111 }