Directions(Sample)

Use the DirectionsService to get route data and render it in the most simple way. Checkout the DirectionsService to learn more.

Demo

Examples

Plain HTML

You can find the live Demo on CodeSandbox here.

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<!DOCTYPE html>
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<html lang="en">
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  <head>
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    <meta name="viewport" content="initial-scale=1.0" />
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    <meta charset="UTF-8" />
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    <title>Basic Map</title>
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    <link
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      href="https://maps-gl.nextbillion.io/maps/v2/api/css"
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      rel="stylesheet"
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    />
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    <style>
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      * {
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        margin: 0;
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        padding: 0;
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      }
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      #map {
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        width: 100vw;
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        height: 100vh;
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      }
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    </style>
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  </head>
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  <body>
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    <div id="map"></div>
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    <script src="https://maps-gl.nextbillion.io/maps/v2/api/js"></script>
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    <script>
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      (function () {
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        // You need to replace the apiKey with yours
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        nextbillion.apiKey = "db20c37e79d4420f9b2f71a766cacb91";
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        var nbmap = new nextbillion.maps.Map({
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          container: document.getElementById("map"),
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          style: "https://api.nextbillion.io/maps/streets/style.json",
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          zoom: 10,
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          center: { lat: 34.08572, lng: -118.324569 }
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        });
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        nbmap.on("load", function () {
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          const directionsService = new nextbillion.maps.DirectionsService();
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          // request the directions api
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          directionsService
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            .route({
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              origin: { lat: 34.06, lng: -118.424569 },
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              waypoints: [{ lat: 33.98, lng: -118.354569 }],
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              destination: { lat: 34.06, lng: -118.224569 }
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            })
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            .then((response) => {
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              // render the result
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              nbmap.map.addSource("route", {
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                type: "geojson",
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                data: {
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                  type: "Feature",
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                  properties: {},
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                  geometry: {
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                    type: "LineString",
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                    coordinates: nextbillion.utils.polyline
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                      .decode(response.routes[0].geometry, 6)
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                      .map((c) => c.reverse())
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                  }
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                }
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              });
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              nbmap.map.addLayer({
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                id: "route",
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                type: "line",
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                source: "route",
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                layout: {
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                  "line-join": "round",
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                  "line-cap": "round"
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                },
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                paint: {
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                  "line-color": "#8D5A9E",
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                  "line-width": 8
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                }
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              });
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            });
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        });
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      })();
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    </script>
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  </body>
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</html>

React

You can find the live Demo on CodeSandbox here.

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import React, { useEffect } from 'react'
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import '@nbai/nbmap-gl/dist/nextbillion.css'
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import nextbillion, { NBMap, DirectionsService } from '@nbai/nbmap-gl'
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const DirectionsDemo = () => {
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  useEffect(() => {
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    nextbillion.apiKey = 'db20c37e79d4420f9b2f71a766cacb91'
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    const nbmap = new NBMap({
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      container: document.getElementById('map'),
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      style: 'https://api.nextbillion.io/maps/streets/style.json',
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      zoom: 10,
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      center: { lat: 34.08572, lng: -118.324569 }
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    })
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    nbmap.on('load', function () {
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      const directionsService = new DirectionsService()
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      // request the directions api
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      directionsService
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        .route({
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          origin: { lat: 34.06, lng: -118.424569 },
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          waypoints: [{ lat: 33.98, lng: -118.354569 }],
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          destination: { lat: 34.06, lng: -118.224569 }
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        })
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        .then((response) => {
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          // render the result
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          nbmap.map.addSource('route', {
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            type: 'geojson',
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            data: {
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              type: 'Feature',
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              properties: {},
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              geometry: {
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                type: 'LineString',
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                coordinates: nextbillion.utils.polyline
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                  .decode(response.routes[0].geometry, 6)
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                  .map((c) => c.reverse())
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              }
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            }
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          })
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          nbmap.map.addLayer({
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            id: 'route',
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            type: 'line',
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            source: 'route',
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            layout: {
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              'line-join': 'round',
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              'line-cap': 'round'
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            },
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            paint: {
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              'line-color': '#8D5A9E',
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              'line-width': 8
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            }
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          })
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        })
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    })
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  })
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  return (
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    <div className="app">
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      <div
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        style={{
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          width: '100%',
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          height: '100%',
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          position: 'fixed',
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          top: '0',
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          left: '0'
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        }}
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        id="map"></div>
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    </div>
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  )
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}
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export default DirectionsDemo
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Directions(Sample)

Demo

Examples

Plain HTML

React

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