@turf/length v7.2.0
@turf/length
length
Takes a GeoJSON and measures its length in the specified units, (Multi)Point's distance are ignored.
Parameters
geojson
Feature<(LineString | MultiLineString)> GeoJSON to measureoptions
Object Optional parameters (optional, default{}
)options.units
string can be degrees, radians, miles, or kilometers (optional, defaultkilometers
)
Examples
var line = turf.lineString([[115, -32], [131, -22], [143, -25], [150, -34]]);
var length = turf.length(line, {units: 'miles'});
//addToMap
var addToMap = [line];
line.properties.distance = length;
Returns number length of GeoJSON
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/length
Or install the Turf module that includes it as a function:
$ npm install @turf/turf
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