function AfficherCarte() {
	Gp.Services.getConfig({
		apiKey: 'essentiels,lambert93',
		onSuccess: function(response) {
		var map = new ol.Map({
		    target: 'map',
		    layers: [
		        new ol.layer.GeoportalWMTS({
		            layer: "HR.ORTHOIMAGERY.ORTHOPHOTOS.L93"
		        })
		    ],
		    view: new ol.View({
		        center: [619264.772488, 6712523.728071],
		        zoom: 12,
		        projection : "EPSG:2154"
		    })
		});
			var echelleCarte = new ol.control.ScaleLine();
			map.addControl(echelleCarte);
			var searchControl = new ol.control.SearchEngine({});
			map.addControl(searchControl);

			var fullscreen = new ol.control.GeoportalFullScreen({
				position: "top-right"
			});
			map.addControl(fullscreen);
			var zoom = new ol.control.GeoportalZoom({
				position: "top-left"
			});
			map.addControl(zoom);			
		}
	});
}

<!-- OpenLayers -->
<link rel="stylesheet" href="ol.css" />
<script src="ol.js"></script>

 <!-- Géoportal Services -->
<script src="GpServices.js"></script>
<link rel="stylesheet" href="Classic.css" />

 <!-- Extension Géoplateforme -->
<link rel="stylesheet" href="/GpfExtOL.css" />  
<script src="GpfExtOL.js"></script>