原文链接及内容

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

运行界面

OGC API-Tiles规范描述了服务如何提供矢量切片。

main.js代码如下：

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import MVT from 'ol/format/MVT.js';
import Map from 'ol/Map.js';
import OGCVectorTile from 'ol/source/OGCVectorTile.js';
import VectorTileLayer from 'ol/layer/VectorTile.js';
import View from 'ol/View.js';

const map = new Map({
  target: 'map',
  layers: [
    new VectorTileLayer({
      source: new OGCVectorTile({
        url: 'https://maps.gnosis.earth/ogcapi/collections/NaturalEarth:cultural:ne_10m_admin_0_countries/tiles/WebMercatorQuad',
        format: new MVT(),
      }),
      background: '#d1d1d1',
      style: {
        'stroke-width': 0.6,
        'stroke-color': '#8c8b8b',
        'fill-color': '#f7f7e9',
      },
    }),
  ],
  view: new View({
    center: [0, 0],
    zoom: 1,
  }),
});

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>OGC Vector Tiles</title>
    <link rel="stylesheet" href="node_modules/ol/ol.css">
    <style>
      .map {
        width: 100%;
        height: 400px;
      }
    </style>
  </head>
  <body>
    <div id="map" class="map"></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>