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Mapbox 矢量瓦片

发布于 2022-11-30 23:36:04 字数 3178 浏览 0 评论 0 收藏 0

本示例演示地图渲染 Mapbox 矢量瓦片。

地图渲染矢量瓦片示例。 注意： 在使用本示例的时候确保申请并使用你自己的 Mapbox API key. 如果 API key 过期了，地图将不会显示。

main.js

import 'ol/ol.css';
import MVT from 'ol/format/MVT';
import Map from 'ol/Map';
import VectorTileLayer from 'ol/layer/VectorTile';
import VectorTileSource from 'ol/source/VectorTile';
import View from 'ol/View';
import {Fill, Icon, Stroke, Style, Text} from 'ol/style';

const key =
  'Your Mapbox access token from https://mapbox.com/ here';

const map = new Map({
  layers: [
    new VectorTileLayer({
      declutter: true,
      source: new VectorTileSource({
        attributions:
          '© <a href="https://www.mapbox.com/map-feedback/">Mapbox</a> ' +
          '© <a href="https://www.openstreetmap.org/copyright">' +
          'OpenStreetMap contributors</a>',
        format: new MVT(),
        url:
          'https://{a-d}.tiles.mapbox.com/v4/mapbox.mapbox-streets-v6/' +
          '{z}/{x}/{y}.vector.pbf?access_token=' +
          key,
      }),
      style: createMapboxStreetsV6Style(Style, Fill, Stroke, Icon, Text),
    }),
  ],
  target: 'map',
  view: new View({
    center: [0, 0],
    zoom: 2,
  }),
});

index.html

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8">
    <title>Mapbox Vector Tiles</title>
    <!-- Pointer events polyfill for old browsers, see https://caniuse.com/#feat=pointer -->
    <script src="https://unpkg.com/elm-pep"></script>
    <!-- The line below is only needed for old environments like Internet Explorer and Android 4.x -->
    <script src="https://cdn.polyfill.io/v3/polyfill.min.js?features=fetch,requestAnimationFrame,Element.prototype.classList,URL,TextDecoder,Number.isInteger"></script>
    <script src="https://openlayers.org/en/v6.9.0/examples/resources/mapbox-streets-v6-style.js"></script>
    <style>
      .map {
        width: 100%;
        height:400px;
      }
      .map {
        background: #f8f4f0;
      }
    </style>
  </head>
  <body>
    <div id="map" class="map"></div>
    <script src="main.js"></script>
  </body>
</html>

package.json

{
  "name": "mapbox-vector-tiles",
  "dependencies": {
    "ol": "7.1.0"
  },
  "devDependencies": {
    "parcel": "^2.0.0-beta.1"
  },
  "scripts": {
    "start": "parcel index.html",
    "build": "parcel build --public-url . index.html"
  }
}

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