Display buildings in 3D | Mapbox GL JS

This example uses addLayer to add a fill-extrusion layer that displays building heights in 3D.

The data source for the building heights is the Mapbox Streets vector tileset, which provides data for the building layer in the light-v10 style.

JavaScript

React

JavaScript

React


<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Display buildings in 3D</title>
<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no">
<link href="https://api.mapbox.com/mapbox-gl-js/v3.9.0/mapbox-gl.css" rel="stylesheet">
<script src="https://api.mapbox.com/mapbox-gl-js/v3.9.0/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';
    const map = new mapboxgl.Map({
        // Choose from Mapbox's core styles, or make your own style with Mapbox Studio
        style: 'mapbox://styles/mapbox/light-v11',
        center: [-74.0066, 40.7135],
        zoom: 15.5,
        pitch: 45,
        bearing: -17.6,
        container: 'map',
        antialias: true
    });

    map.on('style.load', () => {
        // Insert the layer beneath any symbol layer.
        const layers = map.getStyle().layers;
        const labelLayerId = layers.find(
            (layer) => layer.type === 'symbol' && layer.layout['text-field']
        ).id;

        // The 'building' layer in the Mapbox Streets
        // vector tileset contains building height data
        // from OpenStreetMap.
        map.addLayer(
            {
                'id': 'add-3d-buildings',
                'source': 'composite',
                'source-layer': 'building',
                'filter': ['==', 'extrude', 'true'],
                'type': 'fill-extrusion',
                'minzoom': 15,
                'paint': {
                    'fill-extrusion-color': '#aaa',

                    // Use an 'interpolate' expression to
                    // add a smooth transition effect to
                    // the buildings as the user zooms in.
                    'fill-extrusion-height': [
                        'interpolate',
                        ['linear'],
                        ['zoom'],
                        15,
                        0,
                        15.05,
                        ['get', 'height']
                    ],
                    'fill-extrusion-base': [
                        'interpolate',
                        ['linear'],
                        ['zoom'],
                        15,
                        0,
                        15.05,
                        ['get', 'min_height']
                    ],
                    'fill-extrusion-opacity': 0.6
                }
            },
            labelLayerId
        );
    });
</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';

    mapRef.current = new mapboxgl.Map({
      style: 'mapbox://styles/mapbox/light-v11',
      center: [-74.0066, 40.7135],
      zoom: 15.5,
      pitch: 45,
      bearing: -17.6,
      container: 'map',
      antialias: true
    });

    mapRef.current.on('style.load', () => {
      const layers = mapRef.current.getStyle().layers;
      const labelLayerId = layers.find(
        (layer) => layer.type === 'symbol' && layer.layout['text-field']
      ).id;

      mapRef.current.addLayer(
        {
          id: 'add-3d-buildings',
          source: 'composite',
          'source-layer': 'building',
          filter: ['==', 'extrude', 'true'],
          type: 'fill-extrusion',
          minzoom: 15,
          paint: {
            'fill-extrusion-color': '#aaa',
            'fill-extrusion-height': [
              'interpolate',
              ['linear'],
              ['zoom'],
              15,
              0,
              15.05,
              ['get', 'height']
            ],
            'fill-extrusion-base': [
              'interpolate',
              ['linear'],
              ['zoom'],
              15,
              0,
              15.05,
              ['get', 'min_height']
            ],
            'fill-extrusion-opacity': 0.6
          }
        },
        labelLayerId
      );
    });

    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。

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