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draw two line in one route in google Map api?

Discussion in 'Google API' started by erfan71, Jan 24, 2014.

  1. #1
    [​IMG]
    I want something like picture.
    add two line in a street, one for going forward and one for going backwards with different colors. i want to manually write the traffic layer for may country, so i need this for street that are two ways, but in google map, they are the same ( one street).
    i use this code for drawing line on route.
    <script type="text/javascript" src="http://maps.googleapis.com/maps/api/js?sensor=false"></script>
    <script type="text/javascript">
        var markers = [
                {
                    "title": 'Tehran',
                    "lat": '35.6961',
                    "lng": '51.4231',
                    "description": 'Alibaug is a coastal town and a municipal council in Raigad District in the Konkan region of Maharashtra, India.'
                }
            ,
                {
                    "title": 'sari',
                    "lat": '36.5633',
                    "lng": '53.0600',
                    "description": 'Mumbai formerly Bombay, is the capital city of the Indian state of Maharashtra.'
                }
           
        ];
        window.onload = function () {
            var mapOptions = {
                center: new google.maps.LatLng(markers[0].lat, markers[0].lng),
                zoom: 10,
                mapTypeId: google.maps.MapTypeId.ROADMAP
            };
            var map = new google.maps.Map(document.getElementById("dvMap"), mapOptions);
            var infoWindow = new google.maps.InfoWindow();
            var lat_lng = new Array();
            var latlngbounds = new google.maps.LatLngBounds();
            for (i = 0; i < markers.length; i++) {
                var data = markers[i]
                var myLatlng = new google.maps.LatLng(data.lat, data.lng);
                lat_lng.push(myLatlng);
                var marker = new google.maps.Marker({
                    position: myLatlng,
                    map: map,
                    title: data.title
                });
                latlngbounds.extend(marker.position);
                (function (marker, data) {
                    google.maps.event.addListener(marker, "click", function (e) {
                        infoWindow.setContent(data.description);
                        infoWindow.open(map, marker);
                    });
                })(marker, data);
            }
            map.setCenter(latlngbounds.getCenter());
            map.fitBounds(latlngbounds);
            //***********ROUTING****************//
            //Intialize the Path Array
            var path = new google.maps.MVCArray();
            //Intialize the Direction Service
            var service = new google.maps.DirectionsService();
            //Set the Path Stroke Color
            var poly = new google.maps.Polyline({ map: map, strokeColor: '#4986E7' });
            //Loop and Draw Path Route between the Points on MAP
            for (var i = 0; i < lat_lng.length; i++) {
                if ((i + 1) < lat_lng.length) {
                    var des = lat_lng[i];
                    var src = lat_lng[i + 1];
                    path.push(src);
                    poly.setPath(path);
                    service.route({
                        origin: src,
                        destination: des,
                        travelMode: google.maps.DirectionsTravelMode.DRIVING
                    }, function (result, status) {
                        if (status == google.maps.DirectionsStatus.OK) {
                            for (var i = 0, len = result.routes[0].overview_path.length; i < len; i++) {
                                path.push(result.routes[0].overview_path[i]);
                            }
                        }
                    });
                }
            }
        }
    </script>
    <div id="dvMap" style="width: 500px; height: 500px">
    </div>
    HTML:

    SEMrush
     
    erfan71, Jan 24, 2014 IP
    SEMrush