00001 // Copyright (C) 2008, 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 00026 #ifndef MLN_MORPHO_TREE_MAX_HH 00027 # define MLN_MORPHO_TREE_MAX_HH 00028 00032 00033 # include <mln/morpho/tree/compute_parent.hh> 00034 # include <mln/data/sort_psites.hh> 00035 00036 00037 namespace mln 00038 { 00039 00040 namespace morpho 00041 { 00042 00043 namespace tree 00044 { 00045 00046 // Remember: 00047 // p is root iff parent(p) == p 00048 // p is node iff either p is root or f(parent(p)) != f(p) 00049 00050 template <typename I, typename N> 00051 mln_ch_value(I, mln_psite(I)) 00052 max(const Image<I>& f, const Neighborhood<N>& nbh); 00053 00054 00055 00056 # ifndef MLN_INCLUDE_ONLY 00057 00058 00059 template <typename I, typename N> 00060 inline 00061 mln_ch_value(I, mln_psite(I)) 00062 max(const Image<I>& f_, const Neighborhood<N>& nbh_) 00063 { 00064 trace::entering("morpho::tree::max"); 00065 00066 const I& f = exact(f_); 00067 const N& nbh = exact(nbh_); 00068 00069 mln_precondition(f.is_valid()); 00070 mln_precondition(nbh.is_valid()); 00071 00072 // For the max-tree, childhood maps "increasing level": 00073 p_array<mln_psite(I)> s = mln::data::sort_psites_increasing(f); 00074 mln_ch_value(I, mln_psite(I)) output = compute_parent(f, nbh, s); 00075 00076 trace::exiting("morpho::tree::max"); 00077 return output; 00078 } 00079 00080 # endif // ! MLN_INCLUDE_ONLY 00081 00082 } // end of namespace mln::morpho::tree 00083 00084 } // end of namespace mln::morpho 00085 00086 } // end of namespace mln 00087 00088 00089 #endif // ! MLN_MORPHO_TREE_MAX_HH
1.7.1