Identifying Features
Identifying features on a Dynamic Map Layer on click by querying the service. Click a feature to identify it. More information about Map Services can be found in the L.esri.Layers.DynamicMapLayer documentation.
<html>
<head>
<meta charset=utf-8 />
<title>Identifying Features</title>
<meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
<!-- Load Leaflet from CDN-->
<link rel="stylesheet" href="http://cdn.leafletjs.com/leaflet-0.7.3/leaflet.css" />
<script src="http://cdn.leafletjs.com/leaflet-0.7.3/leaflet.js"></script>
<!-- Load Esri Leaflet from CDN -->
<script src="http://cdn-geoweb.s3.amazonaws.com/esri-leaflet/1.0.0-rc.2/esri-leaflet.js"></script>
<style>
body {margin:0;padding:0;}
#map {position: absolute;top:0;bottom:0;right:0;left:0;}
</style>
</head>
<body>
<style>
#selectedFeatures {
position: absolute;
top: 10px;
right: 10px;
z-index: 10;
background: white;
padding: 1em;
}
</style>
<div id="map"></div>
<div id="selectedFeatures" class="leaflet-bar">No Features Selected</div>
<script>
var map = L.map('map').setView([34.025, -116.203], 9);
L.esri.basemapLayer('Gray').addTo(map);
var federalLands = L.esri.dynamicMapLayer('http://maps1.arcgisonline.com/ArcGIS/rest/services/USA_Federal_Lands/MapServer', {
opacity: 0.5,
useCors: false
}).addTo(map);
var identifiedFeature;
var pane = document.getElementById('selectedFeatures');
map.on('click', function (e) {
if(identifiedFeature){
map.removeLayer(identifiedFeature);
pane.innerText = 'Loading';
}
federalLands.identify().on(map).at(e.latlng).run(function(error, featureCollection){
identifiedFeature = new L.GeoJSON(featureCollection.features[0], {
style: function(){
return {
color: '#5C7DB8',
weight: 2
};
}
}).addTo(map);
pane.innerText = featureCollection.features[0].properties.NAME1;
});
});
</script>
</body>
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