Build and parse examples from examples_src/

examples_src/wmts.js

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+goog.require('ol.Attribution');
+goog.require('ol.Map');
+goog.require('ol.View');
+goog.require('ol.control');
+goog.require('ol.extent');
+goog.require('ol.layer.Tile');
+goog.require('ol.proj');
+goog.require('ol.source.OSM');
+goog.require('ol.source.WMTS');
+goog.require('ol.tilegrid.WMTS');
+
+
+var projection = ol.proj.get('EPSG:3857');
+var projectionExtent = projection.getExtent();
+var size = ol.extent.getWidth(projectionExtent) / 256;
+var resolutions = new Array(14);
+var matrixIds = new Array(14);
+for (var z = 0; z < 14; ++z) {
+  // generate resolutions and matrixIds arrays for this WMTS
+  resolutions[z] = size / Math.pow(2, z);
+  matrixIds[z] = z;
+}
+
+var attribution = new ol.Attribution({
+  html: 'Tiles &copy; <a href="http://services.arcgisonline.com/arcgis/rest/' +
+      'services/Demographics/USA_Population_Density/MapServer/">ArcGIS</a>'
+});
+
+
+var map = new ol.Map({
+  layers: [
+    new ol.layer.Tile({
+      source: new ol.source.OSM(),
+      opacity: 0.7
+    }),
+    new ol.layer.Tile({
+      opacity: 0.7,
+      source: new ol.source.WMTS({
+        attributions: [attribution],
+        url: 'http://services.arcgisonline.com/arcgis/rest/' +
+            'services/Demographics/USA_Population_Density/MapServer/WMTS/',
+        layer: '0',
+        matrixSet: 'EPSG:3857',
+        format: 'image/png',
+        projection: projection,
+        tileGrid: new ol.tilegrid.WMTS({
+          origin: ol.extent.getTopLeft(projectionExtent),
+          resolutions: resolutions,
+          matrixIds: matrixIds
+        }),
+        style: 'default',
+        wrapX: true
+      })
+    })
+  ],
+  target: 'map',
+  controls: ol.control.defaults({
+    attributionOptions: /** @type {olx.control.AttributionOptions} */ ({
+      collapsible: false
+    })
+  }),
+  view: new ol.View({
+    center: [-11158582, 4813697],
+    zoom: 4
+  })
+});