00001 // ***************************************************************************** 00002 // 00003 // Copyright (c) 2014, Southwest Research Institute® (SwRI®) 00004 // All rights reserved. 00005 // 00006 // Redistribution and use in source and binary forms, with or without 00007 // modification, are permitted provided that the following conditions are met: 00008 // * Redistributions of source code must retain the above copyright 00009 // notice, this list of conditions and the following disclaimer. 00010 // * Redistributions in binary form must reproduce the above copyright 00011 // notice, this list of conditions and the following disclaimer in the 00012 // documentation and/or other materials provided with the distribution. 00013 // * Neither the name of Southwest Research Institute® (SwRI®) nor the 00014 // names of its contributors may be used to endorse or promote products 00015 // derived from this software without specific prior written permission. 00016 // 00017 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00018 // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00019 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00020 // ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY 00021 // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 00022 // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 00023 // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 00024 // ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00025 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00026 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00027 // 00028 // ***************************************************************************** 00029 00030 #ifndef TRANSFORM_UTIL_EARTH_CONSTANTS_H_ 00031 #define TRANSFORM_UTIL_EARTH_CONSTANTS_H_ 00032 00033 namespace swri_transform_util 00034 { 00038 static const double _earth_equator_radius = 6378137.0; 00039 00043 static const double _earth_mean_radius = 6371009.0; 00044 00048 static const double _earth_equator_circumference = 40075016.69; 00049 00053 static const double _earth_eccentricity = 0.08181919084261; 00054 00063 static const double _earth_flattening = 3.35281066475e-3; 00064 00068 static const double _earth_rotation_rate = 7.292115e-5; 00069 } 00070 00071 #endif // TRANSFORM_UTIL_EARTH_CONSTANTS_H_