原文链接及内容

原文链接：https://openlayers.org/en/latest/examples/vector-tiles-4326.html

运行界面

渲染从maptiler.com加载的EPSG: 4326投影的矢量切片数据的示例(使用ol-mapbox-style设置样式)。注：使用本例时，请务必在 https://www.maptiler.com/cloud/ 获取你自己的API key。当API key过期时，将无法加载地图数据。

main.js代码如下：

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import VectorTileLayer from 'ol/layer/VectorTile.js';
import VectorTileSource from 'ol/source/VectorTile.js';
import {Map, View} from 'ol/index.js';
import {applyBackground, applyStyle} from 'ol-mapbox-style';
import {createXYZ} from 'ol/tilegrid.js';

const key = 'Get your own API key at https://www.maptiler.com/cloud/';
const url = 'https://api.maptiler.com/maps/basic-4326/style.json?key=' + key;

// Match the server resolutions
const tileGrid = createXYZ({
  extent: [-180, -90, 180, 90],
  tileSize: 512,
  maxResolution: 180 / 512,
  maxZoom: 13,
});

const layer = new VectorTileLayer({
  declutter: true,
  source: new VectorTileSource({
    projection: 'EPSG:4326',
    tileGrid: tileGrid,
  }),
});
applyStyle(layer, url, '', {resolutions: tileGrid.getResolutions()});
applyBackground(layer, url);

const map = new Map({
  target: 'map',
  layers: [layer],
  view: new View({
    projection: 'EPSG:4326',
    zoom: 0,
    center: [0, 30],
  }),
});

界面布局文件index.html代码如下：

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<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8">
    <title>Vector tiles in EPSG:4326</title>
    <link rel="stylesheet" href="node_modules/ol/ol.css">
    <style>
      .map {
        width: 100%;
        height: 400px;
      }
    </style>
  </head>
  <body>
    <div id="map" class="map" style="background:none;"></div>
    <!-- Pointer events polyfill for old browsers, see https://caniuse.com/#feat=pointer -->
    <script src="https://cdn.jsdelivr.net/npm/elm-pep@1.0.6/dist/elm-pep.js"></script>
    <script type="module" src="main.js"></script>
  </body>
</html>