turf-jenks

turf-jenks

Takes a set of features, a property name, and the desired number of breaks and outputs an array of natural breaks. This classification can be used in the isolines function or the isobands function, or for theming.

###Install

npm install turf-jenks

###Parameters

name	description
fc	points to classify
z	z field
num	number of breaks

###Usage

jenks(fc, z, num)

###Example

var jenks = require('turf-jenks')
var fs = require('fs')

var z = 'elevation'
var num = 10

var pts = JSON.parse(js.readFileSync('/path/to/points.geojson'))

var jenked = jenks(pts, z, num)

console.log(jenked) // [ 11, 12, 18, 25, 29, 41, 50, 55, 76, 90, 143 ]