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C++ API DOCUMENTATION |
00001 /***************************************************************************** 00002 * 00003 * This file is part of Mapnik (c++ mapping toolkit) 00004 * 00005 * Copyright (C) 2006 Artem Pavlenko 00006 * 00007 * This library is free software; you can redistribute it and/or 00008 * modify it under the terms of the GNU Lesser General Public 00009 * License as published by the Free Software Foundation; either 00010 * version 2.1 of the License, or (at your option) any later version. 00011 * 00012 * This library is distributed in the hope that it will be useful, 00013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00015 * Lesser General Public License for more details. 00016 * 00017 * You should have received a copy of the GNU Lesser General Public 00018 * License along with this library; if not, write to the Free Software 00019 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 00020 * 00021 *****************************************************************************/ 00022 00023 //$Id$ 00024 00025 #ifndef DISTANCE_HPP 00026 #define DISTANCE_HPP 00027 00028 #include <mapnik/coord.hpp> 00029 00030 namespace mapnik 00031 { 00032 class ellipsoid; 00033 00034 // great-circle distance 00035 00036 class great_circle_distance 00037 { 00038 public: 00039 double operator() (coord2d const& pt0, coord2d const& pt1) const; 00040 }; 00041 00042 // vincenty distance 00043 /* 00044 class vincenty_distance : boost::noncopyble 00045 { 00046 public: 00047 vincenty_distance(ellipsoid const& e); 00048 double operator() (coord2d const& pt0, coord2d const& pt1) const; 00049 private: 00050 ellipsoid & e_; 00051 }; 00052 */ 00053 } 00054 00055 #endif // GEO_UTILS_HPP