text: /*
   * Copyright 2003-2006, 2009, 2017, United States Government, as represented by the Administrator of the
   * National Aeronautics and Space Administration. All rights reserved.
   *
   * The NASAWorldWind/WebWorldWind platform is licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  /**
   * Illustrates how to display and pick Placemarks.
   */
  requirejs(['./WorldWindShim',
          './LayerManager'],
      function (WorldWind,
                LayerManager) {
          "use strict";
  
          // Tell WorldWind to log only warnings and errors.
          WorldWind.Logger.setLoggingLevel(WorldWind.Logger.LEVEL_WARNING);
  
          // Create the WorldWindow.
          var wwd = new WorldWind.WorldWindow("canvasOne");
  
  
          var layers = [
              // Imagery layers.
              {layer: new WorldWind.BMNGLayer(), enabled: true},
              {layer: new WorldWind.BMNGLandsatLayer(), enabled: false},
              {layer: new WorldWind.BingAerialWithLabelsLayer(null), enabled: true},
              // Add atmosphere layer on top of all base layers.
              {layer: new WorldWind.AtmosphereLayer(), enabled: true},
              // WorldWindow UI layers.
              {layer: new WorldWind.CompassLayer(), enabled: true},
              {layer: new WorldWind.CoordinatesDisplayLayer(wwd), enabled: true},
              {layer: new WorldWind.ViewControlsLayer(wwd), enabled: true}
          ];
  
          for (var l = 0; l < layers.length; l++) {
              layers[l].layer.enabled = layers[l].enabled;
              wwd.addLayer(layers[l].layer);
          }
  
          // Define the images we'll use for the placemarks.
          var images = [
              "plain-black.png",
              "plain-blue.png",
              "plain-brown.png",
              "plain-gray.png",
              "plain-green.png",
              "plain-orange.png",
              "plain-purple.png",
              "plain-red.png",
              "plain-teal.png",
              "plain-white.png",
              "plain-yellow.png",
              "castshadow-black.png",
              "castshadow-blue.png",
              "castshadow-brown.png",
              "castshadow-gray.png",
              "castshadow-green.png",
              "castshadow-orange.png",
              "castshadow-purple.png",
              "castshadow-red.png",
              "castshadow-teal.png",
              "castshadow-white.png"
          ];
  
          var pinLibrary = WorldWind.configuration.baseUrl + "images/pushpins/", // location of the image files
              placemark,
              placemarkAttributes = new WorldWind.PlacemarkAttributes(null),
              highlightAttributes,
              placemarkLayer = new WorldWind.RenderableLayer("Placemarks"),
              latitude = 47.684444,
              longitude = -121.129722;
  
          // Set up the common placemark attributes.
          placemarkAttributes.imageScale = 2;
          placemarkAttributes.imageOffset = new WorldWind.Offset(
              WorldWind.OFFSET_FRACTION, 0.3,
              WorldWind.OFFSET_FRACTION, 0.0);
          placemarkAttributes.imageColor = WorldWind.Color.WHITE;
          placemarkAttributes.labelAttributes.offset = new WorldWind.Offset(
              WorldWind.OFFSET_FRACTION, 0.5,
              WorldWind.OFFSET_FRACTION, 1.0);
          placemarkAttributes.labelAttributes.color = WorldWind.Color.YELLOW;
          placemarkAttributes.drawLeaderLine = true;
          placemarkAttributes.leaderLineAttributes.outlineColor = WorldWind.Color.RED;
  
          // For each placemark image, create a placemark with a label.
          for (var i = 0, len = images.length; i < len; i++) {
              // Create the placemark and its label.
              placemark = new WorldWind.Placemark(new WorldWind.Position(latitude, longitude + i, 1e2), true, null);
              placemark.label = "Placemark " + i.toString() + "\n"
                  + "Lat " + placemark.position.latitude.toPrecision(4).toString() + "\n"
                  + "Lon " + placemark.position.longitude.toPrecision(5).toString();
              placemark.altitudeMode = WorldWind.RELATIVE_TO_GROUND;
  
              // Create the placemark attributes for this placemark. Note that the attributes differ only by their
              // image URL.
              placemarkAttributes = new WorldWind.PlacemarkAttributes(placemarkAttributes);
              placemarkAttributes.imageSource = pinLibrary + images[i];
              placemark.attributes = placemarkAttributes;
  
              // Create the highlight attributes for this placemark. Note that the normal attributes are specified as
              // the default highlight attributes so that all properties are identical except the image scale. You could
              // instead vary the color, image, or other property to control the highlight representation.
              highlightAttributes = new WorldWind.PlacemarkAttributes(placemarkAttributes);
              highlightAttributes.imageScale = 1.2;
              placemark.highlightAttributes = highlightAttributes;
  
              // Add the placemark to the layer.
              placemarkLayer.addRenderable(placemark);
          }
  
          // Add the placemarks layer to the WorldWindow's layer list.
          wwd.addLayer(placemarkLayer);
  
          // Now set up to handle picking.
  
          var highlightedItems = [];
  
          // The common pick-handling function.
          var handlePick = function (o) {
              // The input argument is either an Event or a TapRecognizer. Both have the same properties for determining
              // the mouse or tap location.
              var x = o.clientX,
                  y = o.clientY;
  
              var redrawRequired = highlightedItems.length > 0; // must redraw if we de-highlight previously picked items
  
              // De-highlight any previously highlighted placemarks.
              for (var h = 0; h < highlightedItems.length; h++) {
                  highlightedItems[h].highlighted = false;
              }
              highlightedItems = [];
  
              // Perform the pick. Must first convert from window coordinates to canvas coordinates, which are
              // relative to the upper left corner of the canvas rather than the upper left corner of the page.
              var pickList = wwd.pick(wwd.canvasCoordinates(x, y));
              if (pickList.objects.length > 0) {
                  redrawRequired = true;
              }
  
              // Highlight the items picked by simply setting their highlight flag to true.
              if (pickList.objects.length > 0) {
                  for (var p = 0; p < pickList.objects.length; p++) {
                      pickList.objects[p].userObject.highlighted = true;
  
                      highlightedItems.push(pickList.objects[p].userObject);
  
  
                      if (pickList.objects[p].labelPicked) {
                          console.log("Label picked");
                      }
                  }
              }
  
              // Update the window if we changed anything.
              if (redrawRequired) {
                  wwd.redraw(); // redraw to make the highlighting changes take effect on the screen
              }
          };
  
          // Listen for mouse moves and highlight the placemarks that the cursor rolls over.
          wwd.addEventListener("mousemove", handlePick);
  
          if(pickList.objects[i].userObject instanceof WorldWind.Placemark){
  
          }
  
          // Listen for taps on mobile devices and highlight the placemarks that the user taps.
          var tapRecognizer = new WorldWind.TapRecognizer(wwd, handlePick);
  
          // Create a layer manager for controlling layer visibility.
          var layerManager = new LayerManager(wwd);
      });