Expand description
A lightweight struct used to store coordinates on the 2-dimensional Cartesian plane.
Unlike Point
(which in the future may contain additional information such
as an envelope, a precision model, and spatial reference system
information), a Coord
only contains ordinate values and accessor
methods.
This type implements the vector space operations:
Add
, Sub
, Neg
, Zero
,
Mul<T>
, and Div<T>
traits.
Semantics
This type does not represent any geospatial primitive,
but is used in their definitions. The only requirement
is that the coordinates it contains are valid numbers
(for eg. not f64::NAN
).
Fields§
§x: T
§y: T
Implementations§
Trait Implementations§
source§impl<T> Add<Coord<T>> for Coord<T>where
T: CoordNum,
impl<T> Add<Coord<T>> for Coord<T>where
T: CoordNum,
Add two coordinates.
Examples
use geo_types::coord;
let p = coord! { x: 1.25, y: 2.5 };
let q = coord! { x: 1.5, y: 2.5 };
let sum = p + q;
assert_eq!(sum.x, 2.75);
assert_eq!(sum.y, 5.0);
source§impl<T> Div<T> for Coord<T>where
T: CoordNum,
impl<T> Div<T> for Coord<T>where
T: CoordNum,
Divide coordinate wise by a scalar.
Examples
use geo_types::coord;
let p = coord! { x: 5., y: 10. };
let q = p / 4.;
assert_eq!(q.x, 1.25);
assert_eq!(q.y, 2.5);
source§impl<T> Mul<T> for Coord<T>where
T: CoordNum,
impl<T> Mul<T> for Coord<T>where
T: CoordNum,
Multiply coordinate wise by a scalar.
Examples
use geo_types::coord;
let p = coord! { x: 1.25, y: 2.5 };
let q = p * 4.;
assert_eq!(q.x, 5.0);
assert_eq!(q.y, 10.0);
source§impl<T> Neg for Coord<T>where
T: CoordNum + Neg<Output = T>,
impl<T> Neg for Coord<T>where
T: CoordNum + Neg<Output = T>,
Negate a coordinate.
Examples
use geo_types::coord;
let p = coord! { x: 1.25, y: 2.5 };
let q = -p;
assert_eq!(q.x, -p.x);
assert_eq!(q.y, -p.y);
source§impl<T> PartialEq<Coord<T>> for Coord<T>where
T: PartialEq<T> + CoordNum,
impl<T> PartialEq<Coord<T>> for Coord<T>where
T: PartialEq<T> + CoordNum,
source§impl<T> Sub<Coord<T>> for Coord<T>where
T: CoordNum,
impl<T> Sub<Coord<T>> for Coord<T>where
T: CoordNum,
Subtract a coordinate from another.
Examples
use geo_types::coord;
let p = coord! { x: 1.5, y: 2.5 };
let q = coord! { x: 1.25, y: 2.5 };
let diff = p - q;
assert_eq!(diff.x, 0.25);
assert_eq!(diff.y, 0.);