Esri Leaflet

Visualizing time on a feature layer

Filtering a feature layer within a certain time range. Try dates between January 3, 1998, and January 25, 1998. More information about Feature Layers can be found in the L.esri.FeatureLayer documentation.

<html>
<head>
  <meta charset="utf-8" />
  <title>Visualizing time on a feature layer</title>
  <meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no" />

  <!-- Load Leaflet from CDN -->
  <link rel="stylesheet" href="https://unpkg.com/leaflet@1.5.1/dist/leaflet.css"
  integrity="sha512-xwE/Az9zrjBIphAcBb3F6JVqxf46+CDLwfLMHloNu6KEQCAWi6HcDUbeOfBIptF7tcCzusKFjFw2yuvEpDL9wQ=="
  crossorigin=""/>
  <script src="https://unpkg.com/leaflet@1.5.1/dist/leaflet.js"
  integrity="sha512-GffPMF3RvMeYyc1LWMHtK8EbPv0iNZ8/oTtHPx9/cc2ILxQ+u905qIwdpULaqDkyBKgOaB57QTMg7ztg8Jm2Og=="
  crossorigin=""></script>


  <!-- Load Esri Leaflet from CDN -->
  <script src="https://unpkg.com/esri-leaflet@2.3.0/dist/esri-leaflet.js"
  integrity="sha512-1tScwpjXwwnm6tTva0l0/ZgM3rYNbdyMj5q6RSQMbNX6EUMhYDE3pMRGZaT41zHEvLoWEK7qFEJmZDOoDMU7/Q=="
  crossorigin=""></script>


  <style>
    body { margin:0; padding:0; }
    #map { position: absolute; top:0; bottom:0; right:0; left:0; }
  </style>
</head>
<body>

<style>
  #time-ranges {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 1000;
    padding: 1em;
    background: white;
  }
  #time-ranges input {
    display: inline-block;
    border: 1px solid #999;
    font-size: 14px;
    border-radius: 4px;
    height: 28px;
    line-height: 28px;
  }
  #time-ranges input[type='submit'] {
    box-sizing: content-box;
    padding: 0 1em;
    text-transform: uppercase;
    color: white;
    background: #5C7DB8;
    border-color: #5C7DB8;
  }
</style>

<div id="map"></div>

<div id="time-ranges" class="leaflet-bar">
  <form action="#" id="form">
    <label for="from">
      From
      <input id="from" type="date" value="1998-01-10" name="from">
    </label>
    <label for="to">
      To
      <input  id="to" type="date" value="1998-01-15" name="to">
    </label>
    <input type="submit" value="Update">
  </form>
</div>

<script>
  var timeForm = document.getElementById('form');
  var startTimeInput = document.getElementById('from');
  var endTimeInput = document.getElementById('to');

  var map = L.map('map').setView([45.48, -122.80], 12);

  L.esri.basemapLayer('Gray').addTo(map);
  L.esri.basemapLayer('GrayLabels').addTo(map);

  var emergencyCalls = L.esri.featureLayer({
    url: 'https://sampleserver6.arcgisonline.com/arcgis/rest/services/911CallsHotspot/MapServer/1',
    timeField: 'Date',
    from: new Date(startTimeInput.value),
    to: new Date(endTimeInput.value)
  }).addTo(map);

  timeForm.addEventListener('submit', function updateTimeRange (e) {
    emergencyCalls.setTimeRange(new Date(startTimeInput.value), new Date(endTimeInput.value));
    e.preventDefault();
  });
</script>

</body>
</html>