Struct Meridian 

pub struct Meridian {
    pub spheroid: Spheroid,
}

Meridian formulas bound to a reference spheroid.

Fields

spheroid: Spheroid

Reference ellipsoid.

Implementations

impl Meridian

pub const WGS84: Self

WGS84 meridian formulas.

pub fn quarter_length(&self) -> f64

Length from the equator to a pole.

Mirrors the order-eight generalized series in formulas/quarter_meridian.hpp:54-76.

pub fn arc_length(&self, latitude: f64) -> f64

Signed meridian arc from the equator to latitude.

Uses Boost’s maximum order-five expansion from formulas/meridian_inverse.hpp:116-178.

pub fn latitude_at_arc(&self, distance: f64) -> f64

Latitude whose signed meridian arc is distance.

Mirrors the order-four inverse series in formulas/meridian_direct.hpp:123-171.

pub fn classify_segment( &self, longitude1: f64, latitude1: f64, longitude2: f64, latitude2: f64, ) -> MeridianSegmentKind

Classify the endpoint pair as a meridian segment.

pub fn inverse( &self, longitude1: f64, latitude1: f64, longitude2: f64, latitude2: f64, ) -> MeridianInverseResult

Solve the inverse problem when the endpoints form a meridian.

pub fn direct( &self, longitude1: f64, latitude1: f64, distance: f64, north: bool, ) -> DirectResult

Solve the direct geodesic problem along a meridian.

Trait Implementations

impl Clone for Meridian

fn clone(&self) -> Meridian

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for Meridian

impl Debug for Meridian

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for Meridian

fn default() -> Self

Returns the “default value” for a type.

impl PartialEq for Meridian

fn eq(&self, other: &Meridian) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for Meridian