Simple GeoJSON

by Vladimir Vershinin

HTML

<script src="https://cdn.jsdelivr.net/gh/openlayers/openlayers.github.io/en/v5.3.0/build/ol.js"></script>
<script src="https://unpkg.com/[email protected]/dist/vue.js"></script>
<script src="https://unpkg.com/[email protected]/lib/index.umd.js"></script>
<link rel="stylesheet" href="https://unpkg.com/[email protected]/lib/style.css">
<div id="app">
  <div>
    Center: {{ center }}<br />
    Zoom: {{ zoom }}<br />
    Selected: {{ selectedFeatures.map(f => f.id) }}
  </div>
  <vl-map data-projection="EPSG:4326">
    <vl-view :zoom.sync="zoom" :center.sync="center"></vl-view>
    
    <vl-layer-tile>
      <vl-source-osm />
    </vl-layer-tile>
    
    <vl-layer-vector render-mode="image">
      <vl-source-vector :url="geojsonUrl" :features.sync="features" />
    </vl-layer-vector>
    
    <vl-interaction-select :features.sync="selectedFeatures"></vl-interaction-select>
    
  </vl-map>  
</div>

CSS

html, body, #app {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
}

JavaScript

new Vue({
	el: '#app',
  data () {
  	return {
    	zoom: 2,
      center: [0, 0],
      geojsonUrl: 'https://openlayers.org/en/latest/examples/data/geojson/countries.geojson',
      features: [],
      selectedFeatures: [],
    }
  },
})