Build and parse examples from examples_src/

2015-04-01 18:22:56 +02:00
parent 2e9869057e
commit ff1ee78ddd
263 changed files with 3 additions and 3 deletions
--- a/examples_src/icon-sprite-webgl.js
+++ b/examples_src/icon-sprite-webgl.js
@@ -0,0 +1,142 @@
+goog.require('ol.Feature');
+goog.require('ol.FeatureOverlay');
+goog.require('ol.Map');
+goog.require('ol.View');
+goog.require('ol.geom.Point');
+goog.require('ol.layer.Vector');
+goog.require('ol.source.Vector');
+goog.require('ol.style.Icon');
+goog.require('ol.style.Style');
+
+
+var iconInfo = [{
+  offset: [0, 0],
+  opacity: 1.0,
+  rotateWithView: true,
+  rotation: 0.0,
+  scale: 1.0,
+  size: [55, 55]
+}, {
+  offset: [110, 86],
+  opacity: 0.75,
+  rotateWithView: false,
+  rotation: Math.PI / 2.0,
+  scale: 1.25,
+  size: [55, 55]
+}, {
+  offset: [55, 0],
+  opacity: 0.5,
+  rotateWithView: true,
+  rotation: Math.PI / 3.0,
+  scale: 1.5,
+  size: [55, 86]
+}, {
+  offset: [212, 0],
+  opacity: 1.0,
+  rotateWithView: true,
+  rotation: 0.0,
+  scale: 1.0,
+  size: [44, 44]
+}];
+
+var i;
+
+var iconCount = iconInfo.length;
+var icons = new Array(iconCount);
+for (i = 0; i < iconCount; ++i) {
+  var info = iconInfo[i];
+  icons[i] = new ol.style.Icon({
+    offset: info.offset,
+    opacity: info.opacity,
+    rotateWithView: info.rotateWithView,
+    rotation: info.rotation,
+    scale: info.scale,
+    size: info.size,
+    src: 'data/Butterfly.png'
+  });
+}
+
+var featureCount = 50000;
+var features = new Array(featureCount);
+var feature, geometry;
+var e = 25000000;
+for (i = 0; i < featureCount; ++i) {
+  geometry = new ol.geom.Point(
+      [2 * e * Math.random() - e, 2 * e * Math.random() - e]);
+  feature = new ol.Feature(geometry);
+  feature.setStyle(
+      new ol.style.Style({
+        image: icons[i % (iconCount - 1)]
+      })
+  );
+  features[i] = feature;
+}
+
+var vectorSource = new ol.source.Vector({
+  features: features
+});
+var vector = new ol.layer.Vector({
+  source: vectorSource
+});
+
+// Use the "webgl" renderer by default.
+var renderer = exampleNS.getRendererFromQueryString();
+if (!renderer) {
+  renderer = 'webgl';
+}
+
+var map = new ol.Map({
+  renderer: renderer,
+  layers: [vector],
+  target: document.getElementById('map'),
+  view: new ol.View({
+    center: [0, 0],
+    zoom: 5
+  })
+});
+
+var overlayFeatures = [];
+for (i = 0; i < featureCount; i += 30) {
+  var clone = features[i].clone();
+  clone.setStyle(null);
+  overlayFeatures.push(clone);
+}
+
+var featureOverlay = new ol.FeatureOverlay({
+  map: map,
+  style: new ol.style.Style({
+    image: icons[iconCount - 1]
+  }),
+  features: overlayFeatures
+});
+
+map.on('click', function(evt) {
+  var info = document.getElementById('info');
+  info.innerHTML =
+      'Hold on a second, while I catch those butterflies for you ...';
+
+  window.setTimeout(function() {
+    var features = [];
+    map.forEachFeatureAtPixel(evt.pixel, function(feature, layer) {
+      features.push(features);
+      return false;
+    });
+
+    if (features.length === 1) {
+      info.innerHTML = 'Got one butterfly';
+    } else if (features.length > 1) {
+      info.innerHTML = 'Got ' + features.length + ' butterflies';
+    } else {
+      info.innerHTML = 'Couldn\'t catch a single butterfly';
+    }
+  }, 1);
+});
+
+map.on('pointermove', function(evt) {
+  if (evt.dragging) {
+    return;
+  }
+  var pixel = map.getEventPixel(evt.originalEvent);
+  var hit = map.hasFeatureAtPixel(pixel);
+  map.getTarget().style.cursor = hit ? 'pointer' : '';
+});