huffmodel

Develop and visualize Huff models in the browser

See an example application using this module: https://github.com/jeffstern/huff-example-viz

Install

npm install huffmodel

Usage

let Huff = require('huffmodel');
//=> output here

API

generateProbabilities(originsFC, destinationsFC, options?)

originsFC

Type: GeoJSON

Feature Collection representing the origins in a Huff Model.

destinationsFC

Type: GeoJSON

Feature collection representing the destinations in a Huff Model. Features should include at least one numerical property to use as an attractiveness property (set via options).

options

Type: object

distanceThreshold

Type: integer
Default: 10

Max distance for destination from origin, in miles

distanceExponent

Type: integer
Default: 1

Distance exponents usually range between 1-2. The higher the exponent, the more dissuasive distance is on a origin/destination probability.

destinationAttractivenessProperties

Type: Array
Default: ['ACREAGE']

Array of any destination feature properties that should be used for assessing attractiveness.