Javascript code that uses OpenLayers 4 to access and display Microsoft's building database hosted by ESRI as an ArcGIS REST Feature Server. I do not keep the application running all of the time but you can try it for yourself here.
<!DOCTYPE html>
<html>
<head>
<title>ArcGIS REST Feature Service</title>
<link rel="stylesheet" href="https://openlayers.org/en/v4.6.5/css/ol.css" type="text/css">
<!-- The line below is only needed for old environments like Internet Explorer and Android 4.x -->
<script src="https://cdn.polyfill.io/v2/polyfill.min.js?features=requestAnimationFrame,Element.prototype.classList,URL"></script>
<script src="https://openlayers.org/en/v4.6.5/build/ol.js"></script>
<script src="https://code.jquery.com/jquery-2.2.3.min.js"></script>
</head>
<body>
<div id="map" class="map"></div>
<div id="info"> </div>
<script>
// The ArcGIS REST Feature Service
var serviceUrl = 'https://services.arcgis.com/P3ePLMYs2RVChkJx/arcgis/rest/services/MSBFP2/FeatureServer/';
var layer = '0';
var esrijsonFormat = new ol.format.EsriJSON();
var myStyle = new ol.style.Style({
stroke: new ol.style.Stroke({
color: 'grey',
width: 1
})
});
var vectorSource = new ol.source.Vector({
loader: function(extent, resolution, projection) {
var url = serviceUrl + layer + '/query/?f=json&' +
'returnGeometry=true&spatialRel=esriSpatialRelIntersects&geometry=' +
encodeURIComponent('{"xmin":' + extent[0] + ',"ymin":' +
extent[1] + ',"xmax":' + extent[2] + ',"ymax":' + extent[3] +
',"spatialReference":{"wkid":102100}}') +
'&geometryType=esriGeometryEnvelope&inSR=102100&outFields=*' +
'&outSR=102100';
$.ajax({url: url, dataType: 'jsonp', success: function(response) {
if (response.error) {
alert(response.error.message + '\n' +
response.error.details.join('\n'));
} else {
// dataProjection will be read from document
var features = esrijsonFormat.readFeatures(response, {
featureProjection: projection
});
if (features.length > 0) {
vectorSource.addFeatures(features);
}
}
}});
},
strategy: ol.loadingstrategy.tile(ol.tilegrid.createXYZ({
tileSize: 512
}))
});
var vector = new ol.layer.Vector({
source: vectorSource,
style : myStyle
});
var raster = new ol.layer.Tile({
source: new ol.source.XYZ({
attributions: 'Tiles © <a href="https://services.arcgisonline.com/ArcGIS/' +
'rest/services/World_Topo_Map/MapServer">ArcGIS</a>',
url: 'https://server.arcgisonline.com/ArcGIS/rest/services/' +
'World_Topo_Map/MapServer/tile/{z}/{y}/{x}'
})
});
var map = new ol.Map({
layers: [ raster, vector],
target: document.getElementById('map'),
view: new ol.View({
zoom: 16,
minZoom: 15,
maxZoom: 22,
center: ol.proj.transform([-71.11665 , 42.37430], 'EPSG:4326', 'EPSG:3857')
})
});
var displayFeatureInfo = function(pixel) {
var features = [];
map.forEachFeatureAtPixel(pixel, function(feature) {
features.push(feature);
});
if (features.length > 0) {
var info = [];
var i, ii;
for (i = 0, ii = features.length; i < ii; ++i) {
info.push(features[i].get('OBJECTID'));
}
document.getElementById('info').innerHTML = info.join(', ') || '(unknown)';
map.getTarget().style.cursor = 'pointer';
} else {
document.getElementById('info').innerHTML = ' ';
map.getTarget().style.cursor = '';
}
};
map.on('pointermove', function(evt) {
if (evt.dragging) {
return;
}
var pixel = map.getEventPixel(evt.originalEvent);
displayFeatureInfo(pixel);
});
map.on('click', function(evt) {
displayFeatureInfo(evt.pixel);
});
</script>
</body>
</html>
