eckit::geo::figure::Sphere class

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

Base classes

class eckit::geo::Figure

Figure: describe a combination of "shape" (sphere, ellipsoid, geoid) and "size" (radius, a, b, elevation)

Public types

using builder_t = BuilderT0<Figure>

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 PointXYZ&, const PointXYZ&) -> double

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

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

Great-circle distance between two points.

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

Great-circle distance between two points (Cartesian coordinates)

static auto area(double radius) -> double

Surface area [L^2].

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

Surface area between parallels and meridians [L^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.) -> PointXYZ

Convert spherical to Cartesian coordinates.

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

Convert Cartesian to spherical coordinates.

static auto className() -> std::string

Constructors, destructors, conversion operators

Sphere(double R) explicit

Sphere(const Spec&) explicit

Public functions

auto R() const -> double override

auto a() const -> double override

auto b() const -> double override

auto area() const -> double override

Surface area [L^2].

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

Surface area between parallels and meridians [L^2].

auto spec() const -> spec::Custom*

auto spec_str() const -> std::string

auto proj_str() const -> std::string

auto eccentricity() const -> double

auto flattening() const -> double

Typedef documentation

Function documentation