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 00026 #ifndef MLN_IO_CLOUD_LOAD_HH 00027 # define MLN_IO_CLOUD_LOAD_HH 00028 00040 00041 # include <iostream> 00042 # include <fstream> 00043 00044 # include <mln/core/concept/image.hh> 00045 # include <mln/core/site_set/p_array.hh> 00046 00047 namespace mln 00048 { 00049 00050 namespace io 00051 { 00052 00053 namespace cloud 00054 { 00055 00060 template <typename P> 00061 void load(p_array<P>& arr, const std::string& filename); 00062 00063 00064 # ifndef MLN_INCLUDE_ONLY 00065 00066 namespace internal 00067 { 00068 00069 template <typename P> 00070 inline 00071 void load_data(p_array<P>& arr, std::ifstream& file) 00072 { 00073 std::string line; 00074 while (std::getline(file, line)) 00075 { 00076 algebra::vec<P::dim,float> v; 00077 std::istringstream sline(line); 00078 sline >> v[0] >> v[1] >> v[2]; 00079 arr.append(v); 00080 } 00081 } 00082 00083 } // end of namespace mln::io::cloud::internal 00084 00085 00086 00087 template <typename P> 00088 void load(p_array<P>& arr, const std::string& filename) 00089 { 00090 trace::entering("mln::io::cloud::load"); 00091 00093 mln_precondition(P::dim == 3u); 00094 00095 std::ifstream file(filename.c_str()); 00096 if (! file) 00097 { 00098 std::cerr << "error: cannot open file '" << filename << "'!"; 00099 abort(); 00100 } 00101 00102 internal::load_data(arr, file); 00103 00104 trace::exiting("mln::io::cloud::load"); 00105 } 00106 00107 00108 # endif // ! MLN_INCLUDE_ONLY 00109 00110 } // end of namespace mln::io::cloud 00111 00112 } // end of namespace mln::io 00113 00114 } // end of namespace mln 00115 00116 #endif // ! MLN_IO_CLOUD_LOAD_HH