Route berechnen

Sehr praktisch ist es, wenn man direkt in der Karte eine Route von oder zum Marker berechnen lassen kann:

Hier der Code dazu:

<script type="text/javascript">

	var map = null;

function LoadMap()
{	map = new google.maps.Map(document.getElementById('karte'),
	{	center: new google.maps.LatLng(52.5162731, 13.3777642),
		zoom: 16,
		mapTypeId: google.maps.MapTypeId.HYBRID,
		scaleControl: true,
		overviewMapControl: true,
		overviewMapControlOptions:{opened:true},
	});

	var marker = new google.maps.Marker(
	{	position: new google.maps.LatLng(52.5162731, 13.3777642),
		map: map,
        title: 'Ein Marker'
	});

	var sContent = '<h1 style="margin-top:0px;">Router hierher berechnen</h1>';
	sContent += '<form onsubmit="route(false); return false;">';
	sContent += 'Von: <input type="text" size=40 maxlen=40 name="daddr" id="daddr" value="" style="width:200px;">';
	sContent += '<div><a href="javascript:route(true);">Los</a></div>';
	sContent += '<div><a href="javascript:route(false);">In neuem Fenster öffnen</a></div>';
	sContent += '</form>';
	var infoWindow = new google.maps.InfoWindow(
	{	content: '<div style="min-height:60px; min-width:260px;">'+sContent+'</div>',
	});
	infoWindow.open(map, marker);
}

	var directionsService = new google.maps.DirectionsService();
	var directionsDisplay = new google.maps.DirectionsRenderer();

function route(bSameWindow)
{	if (bSameWindow)
	{	directionsService.route(
		{	origin: document.getElementById("daddr").value,
			destination: new google.maps.LatLng(52.5162731, 13.3777642),
			travelMode: google.maps.TravelMode.DRIVING
		},
		function(response, status)
		{	if (status == google.maps.DirectionsStatus.OK)
			{	directionsDisplay.setMap(map);
				directionsDisplay.setDirections(response);
		    }
		});
	}
	else
	{	window.open("http://maps.google.de/maps?saddr=52.5162731,13.3777642"+"&daddr="+document.getElementById("daddr").value, '_blank');
	}
}
</script>

Weiterführende Informationen.