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  • How to pass array in Waypoints API in Google Maps API 3 ?

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    Waypoints API helps to find directions in Google. So how to pass multiple latitudes and longitudes in Waypoints API. This is the way pass a single lat long we would pass it as below

       waypoints: 
    [{
         location:new google.maps.LatLng(42.496403,-124.413128),
         stopover:false
    }],

    For sending multiple latitudes and longitudes waypoints, this is how to add multiple waypoints

    waypoints: [{location: first, stopover: false},
               {location: second, stopover: false}],

    This is the complete code for waypoint:

    <!DOCTYPE html>
    <html>
        <head>
            <meta name="viewport" content="initial-scale=1.0, user-scalable=no"/>
            <meta http-equiv="content-type" content="text/html; charset=UTF-8"/>
            <title>Lat long way points (LatLng)</title>
            <style type="text/css"> 
                html { height: 100% }
                body { height: 100%; margin: 0px; padding: 0px }
            </style>
            <script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false"></script>
            <script type="text/javascript">
                var directionDisplay;
                var directionsService = new google.maps.DirectionsService();
                var map;
    
                function initialize() {
                    directionsDisplay = new google.maps.DirectionsRenderer();
                    var chicago = new google.maps.LatLng(41.850033, -87.6500523);
                    var myOptions = {
                        zoom: 6,
                        mapTypeId: google.maps.MapTypeId.ROADMAP,
                        center: chicago
                    };
                    map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);
                    directionsDisplay.setMap(map);
                    calcRoute();
                }
    
                function calcRoute() {
                    var first = new google.maps.LatLng(42.496403, -124.413128);
                    var second = new google.maps.LatLng(42.496401, -124.413126);
    
                    var request = {
                        origin: "1521 NW 54th St, Seattle, WA 98107 ",
                        destination: "San Diego, CA",
                        waypoints: [{location: first, stopover: false},
                            {location: second, stopover: false}],
                        optimizeWaypoints: true,
                        travelMode: google.maps.DirectionsTravelMode.WALKING
                    };
                    directionsService.route(request, function (response, status) {
                        if (status == google.maps.DirectionsStatus.OK) {
                            directionsDisplay.setDirections(response);
                            var route = response.routes[0];
                            var summaryPanel = document.getElementById("directions_panel");
                            summaryPanel.innerHTML = "";
                            // For each route, display summary information.
                            for (var i = 0; i < route.legs.length; i++) {
                                var routeSegment = i + 1;
                                summaryPanel.innerHTML += "<b>Route Segment: " + routeSegment + "</b><br />";
                                summaryPanel.innerHTML += route.legs[i].start_address + " to ";
                                summaryPanel.innerHTML += route.legs[i].end_address + "<br />";
                                summaryPanel.innerHTML += route.legs[i].distance.text + "<br /><br />";
                            }
                        } else {
                            alert("directions response " + status);
                        }
                    });
                }
            </script>
        </head>
        <body onload="initialize()">
            <div id="map_canvas" style="float:left;width:70%;height:100%;"></div>
            <div id="control_panel" style="float:right;width:30%;text-align:left;padding-top:20px">
                <div id="directions_panel" style="margin:20px;background-color:#FFEE77;"></div>
            </div>
            <script src="http://www.google-analytics.com/urchin.js" type="text/javascript">
            </script> 
            <script type="text/javascript">
            </script> 
        </body>
    </html>

     

    Thanks for reading the blog!

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