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Version: 7.1.0

length

Description

Takes a GeoJSON and measures its length in the specified units, (Multi)Point's distance are ignored.

Parameters

NameTypeDescription
geojsonFeature<LineString | MultiLineString>GeoJSON to measure
options?ObjectOptional parameters (default {})
options.units?stringcan be degrees, radians, miles, or kilometers (default kilometers)

Returns

    number length of GeoJSON

Examples

var line = turf.lineString([
[115, -32],
[131, -22],
[143, -25],
[150, -34],
]);
var length = turf.length(line, { units: "miles" });

Installation

$ npm install @turf/length

import { length } from "@turf/length";
const result = length(...);
$ npm install @turf/turf

import * as turf from "@turf/turf";
const result = turf.length(...);