Display and style rich text labels | Mapbox GL JS

Use the format expression to display country labels in both English and in the local language.

JavaScript

React

JavaScript

React


<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Display and style rich text labels</title>
<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no">
<link href="https://api.mapbox.com/mapbox-gl-js/v3.9.1/mapbox-gl.css" rel="stylesheet">
<script src="https://api.mapbox.com/mapbox-gl-js/v3.9.1/mapbox-gl.js"></script>
<style>
body { margin: 0; padding: 0; }
#map { position: absolute; top: 0; bottom: 0; width: 100%; }
</style>
</head>
<body>
<div id="map"></div>
<script>
	// TO MAKE THE MAP APPEAR YOU MUST
	// ADD YOUR ACCESS TOKEN FROM
	// https://account.mapbox.com
	mapboxgl.accessToken = 'YOUR_MAPBOX_ACCESS_TOKEN';
    mapboxgl.setRTLTextPlugin(
        'https://api.mapbox.com/mapbox-gl-js/plugins/mapbox-gl-rtl-text/v0.3.0/mapbox-gl-rtl-text.js'
    );

    const map = new mapboxgl.Map({
        container: 'map', // container ID
        // Choose from Mapbox's core styles, or make your own style with Mapbox Studio
        style: 'mapbox://styles/mapbox/light-v11', // style URL
        center: [9.49, 49.01], // starting position [lng, lat]
        zoom: 4 // starting zoom
    });

    map.on('load', () => {
        map.setLayoutProperty('country-label', 'text-field', [
            'format',
            ['get', 'name_en'],
            { 'font-scale': 1.2 },
            '\n',
            {},
            ['get', 'name'],
            {
                'font-scale': 0.8,
                'text-font': [
                    'literal',
                    ['DIN Offc Pro Italic', 'Arial Unicode MS Regular']
                ]
            }
        ]);
    });
</script>

</body>
</html>

このコードスニペットは、YOUR_MAPBOX_ACCESS_TOKENをあなたのMapboxアカウントのアクセストークンに置き換えるまで、期待通りに動作しません。

JavaScript

React


import React, { useEffect, useRef } from 'react';
import mapboxgl from 'mapbox-gl';

import 'mapbox-gl/dist/mapbox-gl.css';

const MapboxExample = () => {
  const mapContainerRef = useRef();
  const mapRef = useRef();

  useEffect(() => {
    // TO MAKE THE MAP APPEAR YOU MUST
    // ADD YOUR ACCESS TOKEN FROM
    // https://account.mapbox.com
    mapboxgl.accessToken = 'YOUR_MAPBOX_ACCESS_TOKEN';

    mapboxgl.setRTLTextPlugin(
      'https://api.mapbox.com/mapbox-gl-js/plugins/mapbox-gl-rtl-text/v0.3.0/mapbox-gl-rtl-text.js'
    );

    mapRef.current = new mapboxgl.Map({
      container: mapContainerRef.current,
      style: 'mapbox://styles/mapbox/light-v11',
      center: [9.49, 49.01],
      zoom: 4
    });

    mapRef.current.on('load', () => {
      mapRef.current.setLayoutProperty('country-label', 'text-field', [
        'format',
        ['get', 'name_en'],
        { 'font-scale': 1.2 },
        '\n',
        {},
        ['get', 'name'],
        {
          'font-scale': 0.8,
          'text-font': [
            'literal',
            ['DIN Offc Pro Italic', 'Arial Unicode MS Regular']
          ]
        }
      ]);
    });

    return () => {
      mapRef.current.remove();
    };
  }, []);

  return <div id="map" ref={mapContainerRef} style={{ height: '100%' }}></div>;
};

export default MapboxExample;

このコードスニペットは、YOUR_MAPBOX_ACCESS_TOKENをあなたのMapboxアカウントのアクセストークンに置き換えるまで、期待通りに動作しません。

追加の開発者リソース

このexampleは役に立ちましたか？