OSRM distance matrix

distance-matrix.js

// ./osrm-routed --max-table-size 1000000 moscow_russia.osrm

var turf = require('turf')
var request = require('request')

// var extent = [37.35,55.56,37.87,55.94], // moscow
var extent = [37.606,55.731,37.640,55.752],
    cellWidth = 0.1,
    units = 'kilometers',
    url = 'http://127.0.0.1:5000/table?'

var points = []
var hexGrid = turf.hexGrid(extent, cellWidth, units)

hexGrid.features.forEach(function (feature, index) {
  feature.properties = { id: index }
  points.push(turf.centroid(feature))
})

console.log('[*] points.length', points.length)

var params = points.map(function (point) {
  coords = point.geometry.coordinates
  return 'loc=' + coords[1] + ',' + coords[0]
}).join('&')

function cb (error, response, body) {
  console.log('body', body)
  console.timeEnd('request')
}

console.time('request')
request({ url: url + params, json: true }, cb)