Icon Symbolizer

This example uses OpenLayers v4.0.1. The latest is v.

#### Icon Symbolizer

Example using an icon to symbolize a point.

Example using an icon to symbolize a point.

Related API documentation:

- ol.Feature
,
- ol.Map
,
- ol.Overlay
,
- ol.View
,
- ol.geom.Point
,
- ol.layer.Tile
,
- ol.layer.Vector
,
- ol.source.TileJSON
,
- ol.source.Vector
,
- ol.style.Icon
,
- ol.style.Style

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Icon Symbolizer Example using an icon to symbolize a point. var iconFeature = new ol.Feature({ geometry: new ol.geom.Point([0, 0]), name: 'Null Island', population: 4000, rainfall: 500 }); var iconStyle = new ol.style.Style({ image: new ol.style.Icon(/** @type {olx.style.IconOptions} */ ({ anchor: [0.5, 46], anchorXUnits: 'fraction', anchorYUnits: 'pixels', src: 'https://openlayers.org/en/v4.0.1/examples/data/icon.png' })) }); iconFeature.setStyle(iconStyle); var vectorSource = new ol.source.Vector({ features: [iconFeature] }); var vectorLayer = new ol.layer.Vector({ source: vectorSource }); var rasterLayer = new ol.layer.Tile({ source: new ol.source.TileJSON({ url: 'https://api.tiles.mapbox.com/v3/mapbox.geography-class.json?secure', crossOrigin: '' }) }); var map = new ol.Map({ layers: [rasterLayer, vectorLayer], target: document.getElementById('map'), view: new ol.View({ center: [0, 0], zoom: 3 }) }); var element = document.getElementById('popup'); var popup = new ol.Overlay({ element: element, positioning: 'bottom-center', stopEvent: false, offset: [0, -50] }); map.addOverlay(popup); // display popup on click map.on('click', function(evt) { var feature = map.forEachFeatureAtPixel(evt.pixel, function(feature) { return feature; }); if (feature) { var coordinates = feature.getGeometry().getCoordinates(); popup.setPosition(coordinates); $(element).popover({ 'placement': 'top', 'html': true, 'content': feature.get('name') }); $(element).popover('show'); } else { $(element).popover('destroy'); } }); // change mouse cursor when over marker map.on('pointermove', function(e) { if (e.dragging) { $(element).popover('destroy'); return; } var pixel = map.getEventPixel(e.originalEvent); var hit = map.hasFeatureAtPixel(pixel); map.getTarget().style.cursor = hit ? 'pointer' : ''; }); #map { position: relative; } <div id="map" class="map"><div id="popup"></div></div>

    <!DOCTYPE html>
    <html>
      <head>
        <title>Icon Symbolizer</title>
        <link rel="stylesheet" href="https://openlayers.org/en/v4.0.1/css/ol.css" type="text/css">
        <!-- The line below is only needed for old environments like Internet Explorer and Android 4.x -->
        <script src="https://cdn.polyfill.io/v2/polyfill.min.js?features=requestAnimationFrame,Element.prototype.classList,URL"></script>
        <script src="https://openlayers.org/en/v4.0.1/build/ol.js"></script>
        <script src="https://code.jquery.com/jquery-2.2.3.min.js"></script>
        <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
        <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
        <style>
          #map {
            position: relative;
          }
        </style>
      </head>
      <body>
        <div id="map" class="map"><div id="popup"></div></div>
        <script>
          var iconFeature = new ol.Feature({
            geometry: new ol.geom.Point([0, 0]),
            name: 'Null Island',
            population: 4000,
            rainfall: 500
          });

          var iconStyle = new ol.style.Style({
            image: new ol.style.Icon(/** @type {olx.style.IconOptions} */ ({
              anchor: [0.5, 46],
              anchorXUnits: 'fraction',
              anchorYUnits: 'pixels',
              src: 'https://openlayers.org/en/v4.0.1/examples/data/icon.png'
            }))
          });

          iconFeature.setStyle(iconStyle);

          var vectorSource = new ol.source.Vector({
            features: [iconFeature]
          });

          var vectorLayer = new ol.layer.Vector({
            source: vectorSource
          });

          var rasterLayer = new ol.layer.Tile({
            source: new ol.source.TileJSON({
              url: 'https://api.tiles.mapbox.com/v3/mapbox.geography-class.json?secure',
              crossOrigin: ''
            })
          });

          var map = new ol.Map({
            layers: [rasterLayer, vectorLayer],
            target: document.getElementById('map'),
            view: new ol.View({
              center: [0, 0],
              zoom: 3
            })
          });

          var element = document.getElementById('popup');

          var popup = new ol.Overlay({
            element: element,
            positioning: 'bottom-center',
            stopEvent: false,
            offset: [0, -50]
          });
          map.addOverlay(popup);

          // display popup on click
          map.on('click', function(evt) {
            var feature = map.forEachFeatureAtPixel(evt.pixel,
                function(feature) {
                  return feature;
                });
            if (feature) {
              var coordinates = feature.getGeometry().getCoordinates();
              popup.setPosition(coordinates);
              $(element).popover({
                'placement': 'top',
                'html': true,
                'content': feature.get('name')
              });
              $(element).popover('show');
            } else {
              $(element).popover('destroy');
            }
          });

          // change mouse cursor when over marker
          map.on('pointermove', function(e) {
            if (e.dragging) {
              $(element).popover('destroy');
              return;
            }
            var pixel = map.getEventPixel(e.originalEvent);
            var hit = map.hasFeatureAtPixel(pixel);
            map.getTarget().style.cursor = hit ? 'pointer' : '';
          });
        </script>
      </body>
    </html>