[−][src]Trait geo::algorithm::closest_point::ClosestPoint

pub trait ClosestPoint<F: Float, Rhs = Point<F>> {
    fn closest_point(&self, p: &Rhs) -> Closest<F>;
}

Find the closest point between two objects, where the other object is assumed to be a Point by default.

Examples

Here's a simple example where we've got a horizontal line which goes through (-50, 0) -> (50, 0) and want to find the closest point to (0, 100). If you draw it out on paper the point on the line which is closest to (0, 100) will be the origin.

let p: Point<f32> = Point::new(0.0, 100.0);
let horizontal_line: Line<f32> = Line::new(Point::new(-50.0, 0.0), Point::new(50.0, 0.0));

let closest = horizontal_line.closest_point(&p);
assert_eq!(closest, Closest::SinglePoint(Point::new(0.0, 0.0)));

Required methods

fn closest_point(&self, p: &Rhs) -> Closest<F>

Find the closest point between self and p.

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Implementations on Foreign Types

impl<'a, F, C> ClosestPoint<F, Point<F>> for &'a C where
    C: ClosestPoint<F>,
    F: Float, [src]

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Implementors

impl<F: Float> ClosestPoint<F, Point<F>> for Point<F>[src]

impl<F: Float> ClosestPoint<F, Point<F>> for Line<F>[src]

impl<F: Float> ClosestPoint<F, Point<F>> for LineString<F>[src]

impl<F: Float> ClosestPoint<F, Point<F>> for Polygon<F>[src]

impl<F: Float> ClosestPoint<F, Point<F>> for MultiPolygon<F>[src]

impl<F: Float> ClosestPoint<F, Point<F>> for MultiPoint<F>[src]

impl<F: Float> ClosestPoint<F, Point<F>> for MultiLineString<F>[src]

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