C library for Geodesics 1.52
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#include <geodesic.h>
Data Fields | |
double | lat1 |
double | lon1 |
double | azi1 |
double | a |
double | f |
double | salp1 |
double | calp1 |
double | a13 |
double | s13 |
unsigned | caps |
The struct containing information about a single geodesic. This must be initialized by geod_lineinit(), geod_directline(), geod_gendirectline(), or geod_inverseline() before use.
Definition at line 196 of file geodesic.h.
double geod_geodesicline::lat1 |
the starting latitude
Definition at line 197 of file geodesic.h.
double geod_geodesicline::lon1 |
the starting longitude
Definition at line 198 of file geodesic.h.
double geod_geodesicline::azi1 |
the starting azimuth
Definition at line 199 of file geodesic.h.
double geod_geodesicline::a |
the equatorial radius
Definition at line 200 of file geodesic.h.
double geod_geodesicline::f |
the flattening
Definition at line 201 of file geodesic.h.
double geod_geodesicline::salp1 |
sine of azi1
Definition at line 202 of file geodesic.h.
double geod_geodesicline::calp1 |
cosine of azi1
Definition at line 203 of file geodesic.h.
double geod_geodesicline::a13 |
arc length to reference point
Definition at line 204 of file geodesic.h.
double geod_geodesicline::s13 |
distance to reference point
Definition at line 205 of file geodesic.h.
unsigned geod_geodesicline::caps |
the capabilities
Definition at line 212 of file geodesic.h.