GeographicLib: Rhumb.hpp Source File (original) (raw)
22# define GEOGRAPHICLIB_RHUMBAREA_ORDER \
23 (GEOGRAPHICLIB_PRECISION == 2 ? 6 : \
24 (GEOGRAPHICLIB_PRECISION == 1 ? 4 : 8))
81 private:
86 bool _exact;
87 real _a, _f, _n, _rm, _c2;
88 int _lL;
89 std::vector _pP;
91 void AreaCoeffs();
92 class qIntegrand {
94 public:
96 real operator()(real chi) const;
97 };
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104 void GenDirect(real lat1, real lon1, real azi12,
105 bool, real s12, unsigned outmask,
107 real& S12) const {
108 GenDirect(lat1, lon1, azi12, s12, outmask, lat2, lon2, S12);
109 }
111 unsigned outmask, real& s12, real& azi12,
113 GenInverse(lat1, lon1, lat2, lon2, outmask, s12, azi12, S12);
114 }
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116 public:
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127 NONE = 0U,
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132 LATITUDE = 1U<<7,
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137 LONGITUDE = 1U<<8,
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142 AZIMUTH = 1U<<9,
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147 DISTANCE = 1U<<10,
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152 AREA = 1U<<14,
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157 LONG_UNROLL = 1U<<15,
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162 ALL = 0x7F80U,
163 };
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201 void Direct(real lat1, real lon1, real azi12, real s12,
202 real& lat2, real& lon2, real& S12) const {
203 GenDirect(lat1, lon1, azi12, s12,
204 LATITUDE | LONGITUDE | AREA, lat2, lon2, S12);
205 }
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210 void Direct(real lat1, real lon1, real azi12, real s12,
211 real& lat2, real& lon2) const {
212 real t;
213 GenDirect(lat1, lon1, azi12, s12, LATITUDE | LONGITUDE, lat2, lon2, t);
214 }
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244 unsigned outmask, real& lat2, real& lon2, real& S12) const;
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268 void Inverse(real lat1, real lon1, real lat2, real lon2,
269 real& s12, real& azi12, real& S12) const {
270 GenInverse(lat1, lon1, lat2, lon2,
271 DISTANCE | AZIMUTH | AREA, s12, azi12, S12);
272 }
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277 void Inverse(real lat1, real lon1, real lat2, real lon2,
278 real& s12, real& azi12) const {
279 real t;
280 GenInverse(lat1, lon1, lat2, lon2, DISTANCE | AZIMUTH, s12, azi12, t);
281 }
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304 unsigned outmask,
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327 RhumbLine Line(real lat1, real lon1, real azi12) const;
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353 return 2 * real(Math::td) * _c2;
354 }
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361 static const Rhumb& WGS84();
362 };
383 private:
386 const Rhumb& _rh;
387 real _lat1, _lon1, _azi12, _salp, _calp, _mu1, _psi1;
389
391 RhumbLine(const Rhumb& rh, real lat1, real lon1, real azi12);
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393 public:
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407 NONE = Rhumb::NONE,
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412 LATITUDE = Rhumb::LATITUDE,
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417 LONGITUDE = Rhumb::LONGITUDE,
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422 AZIMUTH = Rhumb::AZIMUTH,
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427 DISTANCE = Rhumb::DISTANCE,
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432 AREA = Rhumb::AREA,
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437 LONG_UNROLL = Rhumb::LONG_UNROLL,
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442 ALL = Rhumb::ALL,
443 };
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467 void Position(real s12, real& lat2, real& lon2, real& S12) const {
468 GenPosition(s12, LATITUDE | LONGITUDE | AREA, lat2, lon2, S12);
469 }
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475 void Position(real s12, real& lat2, real& lon2) const {
476 real t;
477 GenPosition(s12, LATITUDE | LONGITUDE, lat2, lon2, t);
478 }
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508 void GenPosition(real s12, unsigned outmask,
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541 };