Loading a Feature Layer programatically
Sometimes it is desirable to load a "snapshot" of a Feature Layer instead of loading it progressivly as you pan around the map. The approch is useful for smaller services.
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<meta charset=utf-8 />
<title>Loading a Feature Layer programatically</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>
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<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>
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<body>
<div id="map"></div>
<script>
var map = new L.Map("map").setView([45.525231693565054, -122.62836456298828], 11);
L.esri.basemapLayer("Topographic").addTo(map);
var neighborhoodsUrl = "http://services.arcgis.com/rOo16HdIMeOBI4Mb/arcgis/rest/services/Neighborhoods_pdx/FeatureServer/0";
var bikeParkingUrl = "http://services.arcgis.com/rOo16HdIMeOBI4Mb/arcgis/rest/services/Portland_Bicycle_Parking/FeatureServer/0";
// query a feature service for a neighborhood
L.esri.Tasks.query(neighborhoodsUrl).where("NAME='HOLLYWOOD'").run(function(error, neighborhoods){
// draw neighborhood on the map
var hollywood = L.geoJson(neighborhoods).addTo(map);
// fit map to boundry
map.fitBounds(hollywood.getBounds().pad(0.5));
// query all bike parking where BPSTYLE='STAPLE' inside our boundry
L.esri.Tasks.query(bikeParkingUrl).where("BPSTYLE='STAPLE'").within(hollywood).run(function(error, bikeParking){
L.geoJson(bikeParking).addTo(map);
});
});
</script>
</body>
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