tools/vector-tile.html at master · ccancellieri/tools · GitHub

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<!DOCTYPE html -->
<html>
<head>
  <title>Vector tiles</title>

  <script src="https://cdn.jsdelivr.net/gh/openlayers/openlayers.github.io@master/en/v6.3.1/build/ol.js"></script>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/openlayers/openlayers.github.io@master/en/v6.3.1/css/ol.css">

  <style>
    html, body {
      font-family: sans-serif;
      width: 100%;
    }
    .map {
      height: 500px;
      width: 100%;
    }
  </style>
</head>
<body>
  <h3>Mapbox Protobuf - vector tiles</h3>
  <div id="map" class="map"></div>
  <script>

  var style_simple = new ol.style.Style({
    fill: new ol.style.Fill({
      color: '#ADD8E6'
    }),
    stroke: new ol.style.Stroke({
      color: '#880000',
      width: 1
    })
  });

  function simpleStyle(feature) {
    return style_simple;
  }

  var layer = 'gadm:level0';
  var projection_epsg_no = '3857';
  var map = new ol.Map({
    target: 'map',
    view: new ol.View({
      center: [0, 0],
      zoom: 2
    }),
    layers: [new ol.layer.VectorTile({
      style:simpleStyle,
      source: new ol.source.VectorTile({
        tilePixelRatio: 1, // oversampling when > 1
        tileGrid: ol.tilegrid.createXYZ({maxZoom: 19}),
        format: new ol.format.MVT(),
        url: '/geoserver/gwc/service/tms/1.0.0/' + layer +
            '@EPSG%3A'+projection_epsg_no+'@pbf/{z}/{x}/{-y}.pbf'
      })
    })]
  });
  </script>
</body>
</html>