// First Initiate your map. Tie it to some ID in the HTML eg. 'MyMapID'
var map = new google.maps.Map(
document.getElementById('MyMapID'),
{
center: {
lat: Some.latitude,
lng: Some.longitude
}
}
);
// Create a new directionsService object.
var directionsService = new google.maps.DirectionsService;
directionsService.route({
origin: origin.latitude +','+ origin.longitude,
destination: destination.latitude +','+ destination.longitude,
travelMode: 'DRIVING',
}, function(response, status) {
if (status === google.maps.DirectionsStatus.OK) {
var directionsDisplay = new google.maps.DirectionsRenderer({
suppressMarkers: true,
map: map,
directions: response,
draggable: false,
suppressPolylines: true,
// IF YOU SET `suppressPolylines` TO FALSE, THE LINE WILL BE
// AUTOMATICALLY DRAWN FOR YOU.
});
// IF YOU WISH TO APPLY USER ACTIONS TO YOUR LINE YOU NEED TO CREATE A
// `polyLine` OBJECT BY LOOPING THROUGH THE RESPONSE ROUTES AND CREATING A
// LIST
pathPoints = response.routes[0].overview_path.map(function (location) {
return {lat: location.lat(), lng: location.lng()};
});
var assumedPath = new google.maps.Polyline({
path: pathPoints, //APPLY LIST TO PATH
geodesic: true,
strokeColor: '#708090',
strokeOpacity: 0.7,
strokeWeight: 2.5
});
assumedPath.setMap(map); // Set the path object to the map