WKT

Copy Edit
<!DOCTYPE html>
<html>
  <head>
    <title>WKT</title>
    <link rel="stylesheet" href="https://openlayers.org/en/v4.6.4/css/ol.css" type="text/css">
    <!-- The line below is only needed for old environments like Internet Explorer and Android 4.x -->
    <script src=""></script>
    <script src="https://openlayers.org/en/v4.6.4/build/ol.js"></script>
  </head>
  <body>
    <div id="map" class="map"></div>
    <script>
      var raster = new ol.layer.Tile({
        source: new ol.source.OSM()
      });

      var wkt = 'POLYGON((10.689 -25.092, 34.595 ' +
          '-20.170, 38.814 -35.639, 13.502 ' +
          '-39.155, 10.689 -25.092))';

      var format = new ol.format.WKT();

      var feature = format.readFeature(wkt, {
        dataProjection: 'EPSG:4326',
        featureProjection: 'EPSG:3857'
      });

      var vector = new ol.layer.Vector({
        source: new ol.source.Vector({
          features: [feature]
        })
      });

      var map = new ol.Map({
        layers: [raster, vector],
        target: 'map',
        view: new ol.View({
          center: [2952104.0199, -3277504.823],
          zoom: 4
        })
      });
    </script>
  </body>
</html>