Thursday, March 1, 2018

Google Maps Calculate Distance,Travel Duration, draw (plot) Route and display Directions between two locations

<script type="text/javascript" src="http://maps.googleapis.com/maps/api/js?sensor=false&libraries=places"></script>
<script type="text/javascript">
var source, destination;
var directionsDisplay;
var directionsService = new google.maps.DirectionsService();
google.maps.event.addDomListener(window, 'load', function () {
new google.maps.places.SearchBox(document.getElementById('txtSource'));
new google.maps.places.SearchBox(document.getElementById('txtDestination'));
directionsDisplay = new google.maps.DirectionsRenderer({ 'draggable': true });
});

function GetRoute() {
var mumbai = new google.maps.LatLng(18.9750, 72.8258);
var mapOptions = {
zoom: 7,
center: mumbai
};
map = new google.maps.Map(document.getElementById('dvMap'), mapOptions);
directionsDisplay.setMap(map);
directionsDisplay.setPanel(document.getElementById('dvPanel'));

//*********DIRECTIONS AND ROUTE**********************//
source = document.getElementById("txtSource").value;
destination = document.getElementById("txtDestination").value;

var request = {
origin: source,
destination: destination,
travelMode: google.maps.TravelMode.DRIVING
};
directionsService.route(request, function (response, status) {
if (status == google.maps.DirectionsStatus.OK) {
directionsDisplay.setDirections(response);
}
});

//*********DISTANCE AND DURATION**********************//
var service = new google.maps.DistanceMatrixService();
service.getDistanceMatrix({
origins: [source],
destinations: [destination],
travelMode: google.maps.TravelMode.DRIVING,
unitSystem: google.maps.UnitSystem.METRIC,
avoidHighways: false,
avoidTolls: false
}, function (response, status) {
if (status == google.maps.DistanceMatrixStatus.OK && response.rows[0].elements[0].status != "ZERO_RESULTS") {
var distance = response.rows[0].elements[0].distance.text;
var duration = response.rows[0].elements[0].duration.text;
var dvDistance = document.getElementById("dvDistance");
dvDistance.innerHTML = "";
dvDistance.innerHTML += "Distance: " + distance + "<br />";
dvDistance.innerHTML += "Duration:" + duration;

} else {
alert("Unable to find the distance via road.");
}
});
}
</script>
<body onLoad="GetRoute();">
<table border="0" cellpadding="0" cellspacing="3">
<tbody>
<tr>
<td colspan="2"> Source:
<input type="text" id="txtSource" value="Behror, Rajasthan, India" style="width: 250px" placeholder="Enter a query" autocomplete="off">
   Destination:
<input type="text" id="txtDestination" value="Jaipur, Rajasthan, India" style="width: 250px" placeholder="Enter a query" autocomplete="off">
<br>
<br>
<input type="button" value="Get Route" onclick="GetRoute()">
<hr></td>
</tr>
<tr>
<td colspan="2"><div id="dvDistance"> </div></td>
</tr>
<tr>
<td><div id="dvMap" style="width: 500px; height: 500px"> </div></td>
<td><div id="dvPanel" style="width: 500px; height: 500px;overflow-y:auto"> </div></td>
</tr>
</tbody>
</table>
</body>

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