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