eckit::geo::geometry::Sphere struct

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

Public static functions

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

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

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

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

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

Great-circle distance between two points [m].

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

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

static auto area(double radius) -> double

Surface area [m ** 2].

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

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

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

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

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

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

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

Convert spherical to Cartesian coordinates.

static auto convertCartesianToSpherical(double radius, const Point3&) -> PointLonLat

Convert Cartesian to spherical coordinates.