#include <eckit/geo/geometry/SphereT.h>

template<class DATUM>

eckit::geo::geometry::SphereT struct

Public static functions

static auto radius() -> double

Sphere radius in metres.

static auto centralAngle(const PointLonLat& A, const PointLonLat& B) -> double

Great-circle central angle between two points [radian].

static auto centralAngle(const Point3& A, const Point3& B) -> double

Great-circle central angle between two points (Cartesian coordinates) in radians.

static auto distance(const PointLonLat& A, const PointLonLat& B) -> double

Great-circle distance between two points [m].

static auto distance(const Point3& A, const Point3& B) -> double

Great-circle distance between two points (Cartesian coordinates) [m].

static auto area() -> double

Surface area [m ** 2].

static auto area(const area::BoundingBox& bbox) -> double

Surface area between parallels and meridians [m ** 2].

static auto greatCircleLatitudeGivenLongitude(const PointLonLat& A, const PointLonLat& B, double lon) -> double

Great-circle intermediate latitude provided two circle points and intermediate longitude [degree].

static void greatCircleLongitudeGivenLatitude(const PointLonLat& A, const PointLonLat& B, double lat, double& lon1, double& lon2)

Great-circle intermediate longitude(s) provided two circle points and intermediate latitude [degree].

static auto convertSphericalToCartesian(const PointLonLat& P, double height = 0.) -> Point3

Convert spherical to Cartesian coordinates.

static auto convertCartesianToSpherical(const Point3& P) -> PointLonLat

Convert Cartesian to spherical coordinates.