Home/ Questions/Q 8956977
In Process

The Archive Base Latest Questions

Editorial Team
  • 0
Asked: 2026-06-15T14:53:08+00:00

I have written a PHP and javaScript code which will retrieve latitude and longitude

  • 0

I have written a PHP and javaScript code which will retrieve latitude and longitude informations from Database and place markers on Google map according in appropriate places(using lat and lon values). This works fine.

I need to join these markers and draw route on the map. How to do it.

   <html>
   <head>
   <meta http-equiv="content-type" content="text/html; charset=utf-8"/>
   <style type="text/css">
   body { font: normal 10pt Helvetica, Arial; }
    #map { width: 350px; height: 300px; border: 0px; padding: 0px; }
    </style>
   <script src="http://maps.google.com/maps/api/js?v=3&sensor=false" type="text/javascript"></script>
   <script type="text/javascript" src="js/jquery.js"></script>
   <script type="text/javascript">

   var icon = new    google.maps.MarkerImage("http://maps.google.com/mapfiles/ms/micons/blue.png",
   new google.maps.Size(32, 32), new google.maps.Point(0, 0),
   new google.maps.Point(16, 32));
   var center = null;
   var map = null;
   var currentPopup;
   var bounds = new google.maps.LatLngBounds();

  function addMarker(lat, lng, info)
 {
   var pt = new google.maps.LatLng(lat, lng);
bounds.extend(pt);
var marker = new google.maps.Marker(
{
    position: pt,
    icon: icon,
    map: map
});
var popup = new google.maps.InfoWindow(
{
    content: info,
    maxWidth: 300
});

google.maps.event.addListener(marker, "click", function()
{
    if (currentPopup != null)
    {
        currentPopup.close();
        currentPopup = null;
    }
    popup.open(map, marker);
    currentPopup = popup;
   });
    google.maps.event.addListener(popup, "closeclick", function()
   {
    map.panTo(center);
    currentPopup = null;
   });
   }

function initMap()
{
 map = new google.maps.Map(document.getElementById("map"), {
center: new google.maps.LatLng(0, 0),
zoom: 14,
mapTypeId: google.maps.MapTypeId.ROADMAP,
mapTypeControl: false,
mapTypeControlOptions:
{
    style: google.maps.MapTypeControlStyle.HORIZONTAL_BAR
},
navigationControl: true,
navigationControlOptions:
{
style: google.maps.NavigationControlStyle.SMALL
 }
 });


  $.getJSON('googlescript.php', function(items)
  {
   for (var i = 0; i < items.length; i++) {
      (function(item) {
        addMarker(item.lat, item.long, '<b>' + item.name + '</b><br />' + item.desc);
    })(items[i]);
   }
  });

  center = bounds.getCenter();
 map.fitBounds(bounds);

   }
   </script>
    </head>
   <body onload="initMap()" style="margin:0px; border:0px; padding:0px;">
   <div id="map"></div>
    </html>
Share

Leave an answer

You must login to add an answer.

Need An Account,

1 Answer

  1. Editorial Team

    Modify your JSON return function to something like this:

    $.getJSON('googlescript.php', function(items)
  {
   var routePoints = [];
   for (var i = 0; i < items.length; i++) {
      (function(item) {
        addMarker(item.lat, item.long, '<b>' + item.name + '</b><br />' + item.desc);
    })(items[i]);
    routePoints.push(new google.maps.LatLng(items[i].lat,items[i].long));
   }
   var route= new google.maps.Polyline({
    path: routePoints,
    strokeColor: "#FF0000",
    strokeOpacity: 1.0,
    strokeWeight: 2
  });

  route.setMap(map);

  });
    • 0