Struct CartesianPerimeter 

pub struct CartesianPerimeter;

Cartesian perimeter: sum of Pythagorean distances between consecutive points of a ring, plus the closing edge when the ring is open.

Separate from CartesianLength because Rust’s coherence rules cannot prove that a single type does not implement both Linestring and Ring; splitting the strategy keeps the per-tag dispatch disjoint at the impl level.

Trait Implementations

impl Clone for CartesianPerimeter

fn clone(&self) -> CartesianPerimeter

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for CartesianPerimeter

impl Debug for CartesianPerimeter

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

Formats the value using the given formatter.

impl Default for CartesianPerimeter

fn default() -> CartesianPerimeter

Returns the “default value” for a type.

impl<R> LengthStrategy<R> for CartesianPerimeter

where R: Ring, <R::Point as Point>::Cs: CoordinateSystem, <<R::Point as Point>::Cs as CoordinateSystem>::Family: SameAs<CartesianFamily>,

type Out = <<R as Geometry>::Point as Point>::Scalar

The output scalar type. Typically the geometry’s coordinate scalar. Mirrors default_length_result<G>::type from strategies/default_length_result.hpp.

fn length(&self, g: &R) -> Self::Out

Sum the per-segment distances along g.