turf-jenks

turf-jenks

turf jenks module

turf.jenks(input, field, numberOfBreaks)

Given a FeatureCollection, return the Jenks Natural breaks of a given property

Parameters

parameter	type	description
input	FeatureCollection	a FeatureCollection of any type
field	string	the property in input on which to calculate Jenks natural breaks
numberOfBreaks	number	number of classes in which to group the data

Example

var points = turf.featurecollection([
  turf.point([49.859733, 40.400424], {population: 200}),
  turf.point([49.83879, 40.401209], {population: 600}),
  turf.point([49.817848, 40.376889], {population: 100}),
  turf.point([49.840507, 40.386043], {population: 200}),
  turf.point([49.854583, 40.37532], {population: 300})]);
var breaks = turf.jenks(points, 'population', 3);
//=breaks

Installation

Requires nodejs.

$ npm install turf-jenks

Tests

$ npm test