Build and parse examples from examples_src/

examples_src/geolocation.js

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+goog.require('ol.Feature');
+goog.require('ol.FeatureOverlay');
+goog.require('ol.Geolocation');
+goog.require('ol.Map');
+goog.require('ol.View');
+goog.require('ol.control');
+goog.require('ol.dom.Input');
+goog.require('ol.geom.Point');
+goog.require('ol.layer.Tile');
+goog.require('ol.source.OSM');
+goog.require('ol.style.Circle');
+goog.require('ol.style.Fill');
+goog.require('ol.style.Stroke');
+goog.require('ol.style.Style');
+
+var view = new ol.View({
+  center: [0, 0],
+  zoom: 2
+});
+
+var map = new ol.Map({
+  layers: [
+    new ol.layer.Tile({
+      source: new ol.source.OSM()
+    })
+  ],
+  target: 'map',
+  controls: ol.control.defaults({
+    attributionOptions: /** @type {olx.control.AttributionOptions} */ ({
+      collapsible: false
+    })
+  }),
+  view: view
+});
+
+var geolocation = new ol.Geolocation({
+  projection: view.getProjection()
+});
+
+var track = new ol.dom.Input(document.getElementById('track'));
+track.bindTo('checked', geolocation, 'tracking');
+
+// update the HTML page when the position changes.
+geolocation.on('change', function() {
+  $('#accuracy').text(geolocation.getAccuracy() + ' [m]');
+  $('#altitude').text(geolocation.getAltitude() + ' [m]');
+  $('#altitudeAccuracy').text(geolocation.getAltitudeAccuracy() + ' [m]');
+  $('#heading').text(geolocation.getHeading() + ' [rad]');
+  $('#speed').text(geolocation.getSpeed() + ' [m/s]');
+});
+
+// handle geolocation error.
+geolocation.on('error', function(error) {
+  var info = document.getElementById('info');
+  info.innerHTML = error.message;
+  info.style.display = '';
+});
+
+var accuracyFeature = new ol.Feature();
+accuracyFeature.bindTo('geometry', geolocation, 'accuracyGeometry');
+
+var positionFeature = new ol.Feature();
+positionFeature.setStyle(new ol.style.Style({
+  image: new ol.style.Circle({
+    radius: 6,
+    fill: new ol.style.Fill({
+      color: '#3399CC'
+    }),
+    stroke: new ol.style.Stroke({
+      color: '#fff',
+      width: 2
+    })
+  })
+}));
+
+positionFeature.bindTo('geometry', geolocation, 'position')
+    .transform(function() {}, function(coordinates) {
+      return coordinates ? new ol.geom.Point(coordinates) : null;
+    });
+
+var featuresOverlay = new ol.FeatureOverlay({
+  map: map,
+  features: [accuracyFeature, positionFeature]
+});