C library for Geodesics: geodesic.h Source File (original) (raw)
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22 #if !defined(GEODESIC_H)
23 #define GEODESIC_H 1
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29 #define GEODESIC_VERSION_MAJOR 2
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34 #define GEODESIC_VERSION_MINOR 1
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39 #define GEODESIC_VERSION_PATCH 0
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46 #define GEODESIC_VERSION_NUM(a,b,c) ((((a) * 10000 + (b)) * 100) + (c))
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59 #define GEODESIC_VERSION \
60 GEODESIC_VERSION_NUM(GEODESIC_VERSION_MAJOR, \
61 GEODESIC_VERSION_MINOR, \
62 GEODESIC_VERSION_PATCH)
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64 #if !defined(GEOD_DLL)
65 #if defined(_MSC_VER) && defined(PROJ_MSVC_DLL_EXPORT)
66 #define GEOD_DLL __declspec(dllexport)
67 #elif defined(__GNUC__)
68 #define GEOD_DLL __attribute__ ((visibility("default")))
69 #else
70 #define GEOD_DLL
71 #endif
72 #endif
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74 #if defined(PROJ_RENAME_SYMBOLS)
75 #include "proj_symbol_rename.h"
76 #endif
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78 #if defined(__cplusplus)
79 extern "C" {
80 #endif
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90 double f1, e2, ep2, n, b, c2, etol2;
91 double A3x[6], C3x[15], C4x[21];
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93 };
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111 double b, c2, f1, salp0, calp0, k2,
112 ssig1, csig1, dn1, stau1, ctau1, somg1, comg1,
113 A1m1, A2m1, A3c, B11, B21, B31, A4, B41;
114 double C1a[6+1], C1pa[6+1], C2a[6+1], C3a[6], C4a[6];
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117 };
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128 double lat0;
129 double lon0;
130 double A[2];
131 double P[2];
132 int polyline;
133 int crossings;
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136 };
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184 double lat1, double lon1, double azi1, double s12,
185 double* plat2, double* plon2, double* pazi2);
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226 double lat1, double lon1, double azi1,
227 unsigned flags, double s12_a12,
228 double* plat2, double* plon2, double* pazi2,
229 double* ps12, double* pm12,
230 double* pM12, double* pM21,
231 double* pS12);
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272 double lat1, double lon1,
273 double lat2, double lon2,
274 double* ps12, double* pazi1, double* pazi2);
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304 double lat1, double lon1,
305 double lat2, double lon2,
306 double* ps12, double* pazi1, double* pazi2,
307 double* pm12, double* pM12, double* pM21,
308 double* pS12);
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351 double lat1, double lon1, double azi1,
352 unsigned caps);
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377 double lat1, double lon1,
378 double azi1, double s12,
379 unsigned caps);
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408 double lat1, double lon1, double azi1,
409 unsigned flags, double s12_a12,
410 unsigned caps);
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434 double lat1, double lon1,
435 double lat2, double lon2,
436 unsigned caps);
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484 double* plat2, double* plon2, double* pazi2);
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551 unsigned flags, double s12_a12,
552 double* plat2, double* plon2, double* pazi2,
553 double* ps12, double* pm12,
554 double* pM12, double* pM21,
555 double* pS12);
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585 unsigned flags, double s13_a13);
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635 double lat, double lon);
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655 double azi, double s);
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704 int reverse, int sign,
705 double* pA, double* pP);
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735 double lat, double lon,
736 int reverse, int sign,
737 double* pA, double* pP);
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766 double azi, double s,
767 int reverse, int sign,
768 double* pA, double* pP);
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804 double lats[], double lons[], int n,
805 double* pA, double* pP);
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816 GEOD_DISTANCE_IN = 1U<<11 | 1U<<0 | 1U<<1,
819 GEOD_AREA = 1U<<14 | 1U<<4,
820 GEOD_ALL = 0x7F80U| 0x1FU
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829 GEOD_ARCMODE = 1U<<0,
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833 #if defined(__cplusplus)
834 }
835 #endif
836
837 #endif
double GEOD_DLL geod_gendirect(const struct geod_geodesic *g, double lat1, double lon1, double azi1, unsigned flags, double s12_a12, double *plat2, double *plon2, double *pazi2, double *ps12, double *pm12, double *pM12, double *pM21, double *pS12)
void GEOD_DLL geod_polygon_addedge(const struct geod_geodesic *g, struct geod_polygon *p, double azi, double s)
void GEOD_DLL geod_polygon_addpoint(const struct geod_geodesic *g, struct geod_polygon *p, double lat, double lon)
void GEOD_DLL geod_setdistance(struct geod_geodesicline *l, double s13)
void GEOD_DLL geod_gensetdistance(struct geod_geodesicline *l, unsigned flags, double s13_a13)
unsigned GEOD_DLL geod_polygon_testpoint(const struct geod_geodesic *g, const struct geod_polygon *p, double lat, double lon, int reverse, int sign, double *pA, double *pP)
void GEOD_DLL geod_polygon_clear(struct geod_polygon *p)
void GEOD_DLL geod_init(struct geod_geodesic *g, double a, double f)
void GEOD_DLL geod_directline(struct geod_geodesicline *l, const struct geod_geodesic *g, double lat1, double lon1, double azi1, double s12, unsigned caps)
void GEOD_DLL geod_inverse(const struct geod_geodesic *g, double lat1, double lon1, double lat2, double lon2, double *ps12, double *pazi1, double *pazi2)
unsigned GEOD_DLL geod_polygon_testedge(const struct geod_geodesic *g, const struct geod_polygon *p, double azi, double s, int reverse, int sign, double *pA, double *pP)
void GEOD_DLL geod_lineinit(struct geod_geodesicline *l, const struct geod_geodesic *g, double lat1, double lon1, double azi1, unsigned caps)
unsigned GEOD_DLL geod_polygon_compute(const struct geod_geodesic *g, const struct geod_polygon *p, int reverse, int sign, double *pA, double *pP)
void GEOD_DLL geod_position(const struct geod_geodesicline *l, double s12, double *plat2, double *plon2, double *pazi2)
double GEOD_DLL geod_geninverse(const struct geod_geodesic *g, double lat1, double lon1, double lat2, double lon2, double *ps12, double *pazi1, double *pazi2, double *pm12, double *pM12, double *pM21, double *pS12)
double GEOD_DLL geod_genposition(const struct geod_geodesicline *l, unsigned flags, double s12_a12, double *plat2, double *plon2, double *pazi2, double *ps12, double *pm12, double *pM12, double *pM21, double *pS12)
void GEOD_DLL geod_direct(const struct geod_geodesic *g, double lat1, double lon1, double azi1, double s12, double *plat2, double *plon2, double *pazi2)
void GEOD_DLL geod_polygonarea(const struct geod_geodesic *g, double lats[], double lons[], int n, double *pA, double *pP)
void GEOD_DLL geod_inverseline(struct geod_geodesicline *l, const struct geod_geodesic *g, double lat1, double lon1, double lat2, double lon2, unsigned caps)
void GEOD_DLL geod_gendirectline(struct geod_geodesicline *l, const struct geod_geodesic *g, double lat1, double lon1, double azi1, unsigned flags, double s12_a12, unsigned caps)
void GEOD_DLL geod_polygon_init(struct geod_polygon *p, int polylinep)