Struct Fence 

pub struct Fence { /* private fields */ }

Geodesic polygon fence on WGS84.

Implementations

impl Fence

pub fn new<I>(vertices: I) -> Result<Self, GeofenceError>

where I: IntoIterator<Item = Wgs84Geodetic>,

Construct a fence from WGS84 geodetic vertices.

The polygon edge between adjacent vertices is the shortest WGS84 geodesic. A closing vertex equal to the first vertex is accepted and removed. Height is ignored by containment and distance calculations.

pub fn vertices(&self) -> &[Wgs84Geodetic]

Fence vertices in their open polygon form.

pub fn edge_count(&self) -> usize

Number of polygon edges.

pub fn planar_fast_path_applies(&self, position: Wgs84Geodetic) -> bool

Returns true when the small-region planar path can evaluate this point.

pub fn contains(&self, position: Wgs84Geodetic) -> Result<bool, GeofenceError>

Boolean containment using geodesic polygon edges.

Points within GEOFENCE_BOUNDARY_TOLERANCE_M of the boundary are classified as contained.

pub fn distance_to_boundary( &self, position: Wgs84Geodetic, ) -> Result<f64, GeofenceError>

Signed distance to the polygon boundary, in metres.

Positive values are inside, negative values are outside, and values near zero are on the boundary under GEOFENCE_BOUNDARY_TOLERANCE_M.

pub fn distance_to_boundary_planar_fast( &self, position: Wgs84Geodetic, ) -> Result<Option<f64>, GeofenceError>

Fast signed boundary distance for small regions, in metres.

Returns None when the fence or query point is outside PLANAR_FAST_PATH_MAX_RADIUS_M. This is a local-plane approximation. Use Self::distance_to_boundary when exact geodesic distance is required.

Trait Implementations

impl Clone for Fence

fn clone(&self) -> Fence

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Fence

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

Formats the value using the given formatter.

impl PartialEq for Fence

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for Fence