turf-line-distance

turf-line-distance

lineDistance

Takes a line and measures its length in the specified units.

Parameters

• line Feature<LineString> line to measure
• units [String] can be degrees, radians, miles, or kilometers (optional, default kilometers)

Examples

var line = {
  "type": "Feature",
  "properties": {},
  "geometry": {
    "type": "LineString",
    "coordinates": [
      [-77.031669, 38.878605],
      [-77.029609, 38.881946],
      [-77.020339, 38.884084],
      [-77.025661, 38.885821],
      [-77.021884, 38.889563],
      [-77.019824, 38.892368]
    ]
  }
};

var length = turf.lineDistance(line, 'miles');

//=line

//=length

Returns Number length of the input line

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 turf-line-distance

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

$ npm install turf