@spatial/nearest-point-to-line

nearestPointToLine

Returns the closest point, of a collection of points, to a line. The returned point has a dist property indicating its distance to the line.

Parameters

• points (FeatureCollection | GeometryCollection<Point>) Point Collection
• line (Feature | Geometry<LineString>) Line Feature
• options Object? Optional parameters
  • options.units string unit of the output distance property, can be degrees, radians, miles, or kilometers (optional, default 'kilometers')
  • options.properties Object Translate Properties to Point (optional, default {})

Examples

var pt1 = turf.point([0, 0]);
var pt2 = turf.point([0.5, 0.5]);
var points = turf.featureCollection([pt1, pt2]);
var line = turf.lineString([[1,1], [-1,1]]);

var nearest = turf.nearestPointToLine(points, line);

//addToMap
var addToMap = [nearest, line];

Returns Feature<Point> the closest point

pt

Translate Properties to final Point, priorities: 1. options.properties 2. inherent Point properties 3. dist custom properties created by NearestPointToLine

This module is part of the Turfjs project, an open source module collection dedicated to geographic algorithms. It is maintained in the Turfjs/turf repository, where you can create PRs and issues.

Installation

Install this module individually:

$ npm install @spatial/nearest-point-to-line

Or install the Turf module that includes it as a function:

$ npm install @turf/turf