Ordering Overlapping Markers

Arrange the order in which a series of map objects are displayed

HTML

<link rel="stylesheet" href="https://js.api.here.com/v3/3.0/mapsjs-ui.css">
<!-- SCRIPTS -->
<script type="text/javascript" src="https://js.api.here.com/v3/3.0/mapsjs-core.js"></script>
<script type="text/javascript" src="https://js.api.here.com/v3/3.0/mapsjs-service.js"></script>
<script type="text/javascript" src="https://js.api.here.com/v3/3.0/mapsjs-ui.js"></script>
<script type="text/javascript" src="https://js.api.here.com/v3/3.0/mapsjs-mapevents.js"></script>

<!-- BODY -->
<h1>Ordering Overlapping Markers</h1>
<p>This example shows how to arrange the visibility order of markers by clicking them. Zoom in and out to overlap markers and try re-arranging them.</p>
<hr/>
<div id="map" style="width: 600px; height: 400px; background: grey"></div>

CSS

code, h1, h2, h3{
  color: #124191;
  letter-spacing: -0.03em;
}
body {
  font-family:"Lucida Grande",Tahoma,sans-serif;
  color: rgb(102, 102, 102);
  font-size: 80%;
}
b, strong {
  color: black;
}
code {
  font-weight: 700;
  font-size: 120%;
}

JavaScript

function orderMarkers() {
  var zIndex = 1,
      // create a set of markers
      marker = new mapsjs.map.Marker(
        {lat: 52.508249, lng: 13.338931}
      ),
      marker2 = new mapsjs.map.Marker(
        {lat: 52.506682, lng: 13.332107}
      ),
      marker3 = new mapsjs.map.Marker(
        {lat: 52.503730, lng: 13.331678}
      ),
      marker4 = new mapsjs.map.Marker(
        {lat: 52.531, lng: 13.380}
      );

  // add markers to the map
  map.addObjects([marker, marker2, marker3, marker4]);

  map.addEventListener('tap', function (evt) {
    if (evt.target instanceof mapsjs.map.Marker) {
      // increase z-index of the marker that was tapped
      evt.target.setZIndex(zIndex++);
    }
  });
}

/**
 * Boilerplate map initialization code starts below:
 */

// initialize communication with the platform
var platform = new H.service.Platform({
  app_id: 'DemoAppId01082013GAL',
  app_code: 'AJKnXv84fjrb0KIHawS0Tg',
  useCIT: true,
  useHTTPS: true
});
var defaultLayers = platform.createDefaultLayers();

var map = new H.Map(document.getElementById('map'),
  defaultLayers.normal.map,{
  center: {lat: 52.5, lng: 13.4},
  zoom: 10
});


// MapEvents enables the event system
// Behavior implements default interactions for pan/zoom (also on mobile touch environments)
var behavior = new H.mapevents.Behavior(new H.mapevents.MapEvents(map));


// Now use the map as required...
orderMarkers();

$('head').append('<link rel="stylesheet" href="https://js.api.here.com/v3/3.0/mapsjs-ui.css" type="text/css" />');