Esri Leaflet

Leverage a Geoprocessing Service

This demo relies on the Esri Leaflet GP plugin.
More information about Geoprocessing Services can be found in the ArcGIS REST documentation.

<html>
<head>
  <meta charset="utf-8" />
  <title>Leverage a Geoprocessing Service</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@2.3.1/dist/esri-leaflet.js"
  integrity="sha512-Np+ry4Dro5siJ1HZ0hTwn2jsmu/hMNrYw1EIK9EjsEVbDge4AaQhjeTGRg2ispHg7ZgDMVrSDjNrzH/kAO9Law=="
  crossorigin=""></script>




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

<!-- load the latest release from the cdn automatically -->
<script src="https://unpkg.com/esri-leaflet-gp"></script>

<style>
  #info-pane {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 1000;
    padding: 1em;
    background: white;
  }
</style>

<div id="map"></div>
<div id="info-pane" class="leaflet-bar">
  <label>
    click on the map to calculate<br>1 and 2 minute drivetime polygons
  </label>
</div>

<script type='text/javascript'>
  var map = L.map('map').setView([37.78, -122.42], 12);

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

  var gpService = L.esri.GP.service({
    url: 'https://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Network/ESRI_DriveTime_US/GPServer/CreateDriveTimePolygons',
    useCors: false
  });

  var gpTask = gpService.createTask();

  gpTask.setParam('Drive_Times', '1 2');

  var driveTimes = L.featureGroup();
  map.addLayer(driveTimes);

  var infoPane = document.getElementById('info-pane');

  map.on('click', function (evt) {
    infoPane.innerHTML = 'working...';
    driveTimes.clearLayers();
    gpTask.setParam('Input_Location', evt.latlng);
    gpTask.run(driveTimeCallback);
  });

  function driveTimeCallback (error, response, raw) {
    infoPane.innerHTML = 'click on the map to calculate<br>1 and 2 minute drivetimes';

    if (error) {
      return;
    }

    driveTimes.addLayer(L.geoJSON(response.Output_Drive_Time_Polygons));
  }
</script>

</body>
</html>