I want to pull out the distance in kilometer from this Google distance panel example and do some math functions.
Can any one please help..
https://google-developers.appspot.com/maps/documentation/javascript/examples/directions-panel
Thanks in advance
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no">
<meta charset="utf-8">
<title>Google Maps JavaScript API v3 Example: Directions Complex</title>
<link href="/maps/documentation/javascript/examples/default.css" rel="stylesheet">
<style>
html, body {
height: 100%;
margin: 0;
padding: 0;
}
#map_canvas {
height: 100%;
}
@media print {
html, body {
height: auto;
}
#map_canvas {
height: 650px;
}
}
#directions-panel {
height: 100%;
float: right;
width: 390px;
overflow: auto;
}
#map-canvas {
margin-right: 400px;
}
#control {
background: #fff;
padding: 5px;
font-size: 14px;
font-family: Arial;
border: 1px solid #ccc;
box-shadow: 0 2px 2px rgba(33, 33, 33, 0.4);
display: none;
}
@media print {
#map-canvas {
height: 500px;
margin: 0;
}
#directions-panel {
float: none;
width: auto;
}
}
</style>
<script src="https://maps.googleapis.com/maps/api/js?sensor=false"></script>
<script>
var directionDisplay;
var directionsService = new google.maps.DirectionsService();
function initialize() {
directionsDisplay = new google.maps.DirectionsRenderer();
var mapOptions = {
zoom: 7,
mapTypeId: google.maps.MapTypeId.ROADMAP,
center: new google.maps.LatLng(41.850033, -87.6500523)
};
var map = new google.maps.Map(document.getElementById('map_canvas'),
mapOptions);
directionsDisplay.setMap(map);
directionsDisplay.setPanel(document.getElementById('directions-panel'));
var control = document.getElementById('control');
control.style.display = 'block';
map.controls[google.maps.ControlPosition.TOP].push(control);
}
function calcRoute() {
var start = document.getElementById('start').value;
var end = document.getElementById('end').value;
var request = {
origin: start,
destination: end,
travelMode: google.maps.DirectionsTravelMode.DRIVING
};
directionsService.route(request, function(response, status) {
if (status == google.maps.DirectionsStatus.OK) {
directionsDisplay.setDirections(response);
}
});
}
google.maps.event.addDomListener(window, 'load', initialize);
</script>
</head>
<body>
<div id="control"> <strong>Start:</strong>
<select id="start" onChange="calcRoute();">
<option value="chicago, il">Chicago</option>
<option value="st louis, mo">St Louis</option>
<option value="joplin, mo">Joplin, MO</option>
<option value="oklahoma city, ok">Oklahoma City</option>
<option value="amarillo, tx">Amarillo</option>
<option value="gallup, nm">Gallup, NM</option>
<option value="flagstaff, az">Flagstaff, AZ</option>
<option value="winona, az">Winona</option>
<option value="kingman, az">Kingman</option>
<option value="barstow, ca">Barstow</option>
<option value="san bernardino, ca">San Bernardino</option>
<option value="los angeles, ca">Los Angeles</option>
</select>
<strong>End:</strong>
<select id="end" onChange="calcRoute();">
<option value="chicago, il">Chicago</option>
<option value="st louis, mo">St Louis</option>
<option value="joplin, mo">Joplin, MO</option>
<option value="oklahoma city, ok">Oklahoma City</option>
<option value="amarillo, tx">Amarillo</option>
<option value="gallup, nm">Gallup, NM</option>
<option value="flagstaff, az">Flagstaff, AZ</option>
<option value="winona, az">Winona</option>
<option value="kingman, az">Kingman</option>
<option value="barstow, ca">Barstow</option>
<option value="san bernardino, ca">San Bernardino</option>
<option value="los angeles, ca">Los Angeles</option>
</select>
</div>
<div id="directions-panel"></div>
<div id="map_canvas"></div>
</body>
</html>
The contents of the panel are a representation of the DirectionsResult
An DirectionsResult consists of routes, legs and steps.
Legs and steps have an distance-property, which contains what you want.
To force the distances to be returned in km, use the unitSystem-option of the DirectionRequest: