Build and parse examples from examples_src/

examples_src/igc.js

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+goog.require('ol.Attribution');
+goog.require('ol.Feature');
+goog.require('ol.FeatureOverlay');
+goog.require('ol.Map');
+goog.require('ol.View');
+goog.require('ol.control');
+goog.require('ol.geom.LineString');
+goog.require('ol.geom.Point');
+goog.require('ol.layer.Tile');
+goog.require('ol.layer.Vector');
+goog.require('ol.source.IGC');
+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 colors = {
+  'Clement Latour': 'rgba(0, 0, 255, 0.7)',
+  'Damien de Baesnt': 'rgba(0, 215, 255, 0.7)',
+  'Sylvain Dhonneur': 'rgba(0, 165, 255, 0.7)',
+  'Tom Payne': 'rgba(0, 255, 255, 0.7)',
+  'Ulrich Prinz': 'rgba(0, 215, 255, 0.7)'
+};
+
+var styleCache = {};
+var styleFunction = function(feature, resolution) {
+  var color = colors[feature.get('PLT')];
+  var styleArray = styleCache[color];
+  if (!styleArray) {
+    styleArray = [new ol.style.Style({
+      stroke: new ol.style.Stroke({
+        color: color,
+        width: 3
+      })
+    })];
+    styleCache[color] = styleArray;
+  }
+  return styleArray;
+};
+
+var vectorSource = new ol.source.IGC({
+  projection: 'EPSG:3857',
+  urls: [
+    'data/igc/Clement-Latour.igc',
+    'data/igc/Damien-de-Baenst.igc',
+    'data/igc/Sylvain-Dhonneur.igc',
+    'data/igc/Tom-Payne.igc',
+    'data/igc/Ulrich-Prinz.igc'
+  ]
+});
+
+var time = {
+  start: Infinity,
+  stop: -Infinity,
+  duration: 0
+};
+vectorSource.on('addfeature', function(event) {
+  var geometry = event.feature.getGeometry();
+  time.start = Math.min(time.start, geometry.getFirstCoordinate()[2]);
+  time.stop = Math.max(time.stop, geometry.getLastCoordinate()[2]);
+  time.duration = time.stop - time.start;
+});
+
+
+var map = new ol.Map({
+  layers: [
+    new ol.layer.Tile({
+      source: new ol.source.OSM({
+        attributions: [
+          new ol.Attribution({
+            html: 'All maps © ' +
+                '<a href="http://www.opencyclemap.org/">OpenCycleMap</a>'
+          }),
+          ol.source.OSM.ATTRIBUTION
+        ],
+        url: 'http://{a-c}.tile.opencyclemap.org/cycle/{z}/{x}/{y}.png'
+      })
+    }),
+    new ol.layer.Vector({
+      source: vectorSource,
+      style: styleFunction
+    })
+  ],
+  target: 'map',
+  controls: ol.control.defaults({
+    attributionOptions: /** @type {olx.control.AttributionOptions} */ ({
+      collapsible: false
+    })
+  }),
+  view: new ol.View({
+    center: [703365.7089403362, 5714629.865071137],
+    zoom: 9
+  })
+});
+
+
+var point = null;
+var line = null;
+var displaySnap = function(coordinate) {
+  var closestFeature = vectorSource.getClosestFeatureToCoordinate(coordinate);
+  var info = document.getElementById('info');
+  if (closestFeature === null) {
+    point = null;
+    line = null;
+    info.innerHTML = '&nbsp;';
+  } else {
+    var geometry = closestFeature.getGeometry();
+    var closestPoint = geometry.getClosestPoint(coordinate);
+    if (point === null) {
+      point = new ol.geom.Point(closestPoint);
+    } else {
+      point.setCoordinates(closestPoint);
+    }
+    var date = new Date(closestPoint[2] * 1000);
+    info.innerHTML =
+        closestFeature.get('PLT') + ' (' + date.toUTCString() + ')';
+    var coordinates = [coordinate, [closestPoint[0], closestPoint[1]]];
+    if (line === null) {
+      line = new ol.geom.LineString(coordinates);
+    } else {
+      line.setCoordinates(coordinates);
+    }
+  }
+  map.render();
+};
+
+map.on('pointermove', function(evt) {
+  if (evt.dragging) {
+    return;
+  }
+  var coordinate = map.getEventCoordinate(evt.originalEvent);
+  displaySnap(coordinate);
+});
+
+map.on('click', function(evt) {
+  displaySnap(evt.coordinate);
+});
+
+var imageStyle = new ol.style.Circle({
+  radius: 5,
+  fill: null,
+  stroke: new ol.style.Stroke({
+    color: 'rgba(255,0,0,0.9)',
+    width: 1
+  })
+});
+var strokeStyle = new ol.style.Stroke({
+  color: 'rgba(255,0,0,0.9)',
+  width: 1
+});
+map.on('postcompose', function(evt) {
+  var vectorContext = evt.vectorContext;
+  if (point !== null) {
+    vectorContext.setImageStyle(imageStyle);
+    vectorContext.drawPointGeometry(point);
+  }
+  if (line !== null) {
+    vectorContext.setFillStrokeStyle(null, strokeStyle);
+    vectorContext.drawLineStringGeometry(line);
+  }
+});
+
+var featureOverlay = new ol.FeatureOverlay({
+  map: map,
+  style: new ol.style.Style({
+    image: new ol.style.Circle({
+      radius: 5,
+      fill: new ol.style.Fill({
+        color: 'rgba(255,0,0,0.9)'
+      }),
+      stroke: null
+    })
+  })
+});
+
+$('#time').on('input', function(event) {
+  var value = parseInt($(this).val(), 10) / 100;
+  var m = time.start + (time.duration * value);
+  vectorSource.forEachFeature(function(feature) {
+    var geometry = /** @type {ol.geom.LineString} */ (feature.getGeometry());
+    var coordinate = geometry.getCoordinateAtM(m, true);
+    var highlight = feature.get('highlight');
+    if (highlight === undefined) {
+      highlight = new ol.Feature(new ol.geom.Point(coordinate));
+      feature.set('highlight', highlight);
+      featureOverlay.addFeature(highlight);
+    } else {
+      highlight.getGeometry().setCoordinates(coordinate);
+    }
+  });
+  map.render();
+});