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GreatCircleMath.hpp
1 /*
2 Modified BSD License
3 
4 This file is a part of Math package and originates from:
5 http://sf.net/projects/enjomitchsorbit
6 
7 Copyright (c) 2011, Szymon Ender
8 Copyright (c) ????, Edward Williams
9 All rights reserved.
10 
11 Redistribution and use in source and binary forms, with or without
12 modification, are permitted provided that the following conditions are met:
13  * Redistributions of source code must retain the above copyright
14  notice, this list of conditions and the following disclaimer.
15  * Redistributions in binary form must reproduce the above copyright
16  notice, this list of conditions and the following disclaimer in the
17  documentation and/or other materials provided with the distribution.
18  * Neither the name of the <organization> nor the
19  names of its contributors may be used to endorse or promote products
20  derived from this software without specific prior written permission.
21 
22 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
23 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
24 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
25 DISCLAIMED. IN NO EVENT SHALL SZYMON ENDER BE LIABLE FOR ANY
26 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
27 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
29 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
31 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33 
34 #ifndef GREATCIRCLEMATH_HPP_INCLUDED
35 #define GREATCIRCLEMATH_HPP_INCLUDED
36 
37 namespace EnjoLib
38 {
39 struct Vect3;
40 struct Geo;
41 struct Spherical;
42 
45 {
46 public:
48 
59  Geo CalcPointOnGC(double angRatio, const Geo & geoStart, const Geo & geoEnd, bool bQuartDistOptimisation);
60 
62 
72  Vect3 CalcPointOnGCNumerical(double angRatio, const Vect3 & v1, const Vect3 & v2);
73 
75 
81  double CalcDistBetweenPoints(const Geo & geoStart, const Geo & geoEnd);
82 
84 
91  Geo CalcPointOnWholeGC(double angRatio, const Geo & geoStart );
92 
93 private:
94 };
95 }
96 
97 #endif // GREATCIRCLEMATH_HPP_INCLUDED