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POGoogle maps api v3: geocoding multiple addresses and creating map markers
 

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    <p>Im trying to do this tutorial on <a href="http://www.geocodezip.com/v3_SO_multipleGeocodedMarkersFromXml.html" rel="nofollow">http://www.geocodezip.com/v3_SO_multipleGeocodedMarkersFromXml.html</a></p> <p>I have included the downloadxml.js on my server but it still doesnt work. The map loads up but no map markers. Can anyone help as I cant see why it wont work.</p> <pre><code>&lt;!DOCTYPE html&gt; &lt;html&gt; &lt;head&gt; &lt;meta http-equiv="content-type" content="text/html; charset=UTF-8" /&gt; &lt;title&gt;Google Maps Multiple Markers&lt;/title&gt; &lt;script src="http://maps.google.com/maps/api/js?sensor=false" type="text/javascript"&gt;&lt;/script&gt; &lt;script type="text/javascript" src="scripts/downloadxml.js"&gt;&lt;/script&gt; &lt;script type="text/javascript"&gt; var map = null; var geocoder = new google.maps.Geocoder(); var info_window = new google.maps.InfoWindow(); var bounds = new google.maps.LatLngBounds(); function geocodeAddress(xmldata) { var address = xmldata.getElementsByTagName('address')[0].firstChild.data; var city = xmldata.getElementsByTagName('city')[0].firstChild.data; var address_google_map = address + ', ' + city + ', ON'; var info_text = address + '&lt;br /&gt;' + city + ' ON'; geocoder.geocode ({'address': address_google_map}, function (results, status) { if (status == google.maps.GeocoderStatus.OK) { createMarker(results[0].geometry.location, info_text); } else { alert("geocode of "+ address +" failed:"+status); } }); } function createMarker(latlng, html) { var marker = new google.maps.Marker ({ map: map, position: latlng }); google.maps.event.addListener(marker, 'click', function() { info_window.setContent(html); info_window.open(map, marker); }); bounds.extend(latlng); // Here we tell what are next viewport bounds } function initialize () { var myLatLng = new google.maps.LatLng(45.2340684, -75.6287287); var myOptions = { zoom: 10, mapTypeControl: true, center: myLatLng, zoomControl: true, zoomControlOptions: { style: google.maps.ZoomControlStyle.SMALL }, StreetViewControl: false, mapTypeId: google.maps.MapTypeId.ROADMAP } map = new google.maps.Map(document.getElementById('map'), myOptions); google.maps.event.addListener (map, 'click', function () { info_window.close(); }); downloadUrl('listings.xml', function (listings_data) { listings_data = xmlParse(listings_data); var markers = listings_data.documentElement.getElementsByTagName('listing'); var geocoder = new google.maps.Geocoder(); for (var i = 0; i &lt; markers.length; i++) { geocodeAddress(markers[i]); } google.maps.event.addListenerOnce(map, 'idle', function() {map.fitBounds(bounds);}); }); } &lt;/script&gt; &lt;/head&gt; &lt;body onload="initialize();"&gt; &lt;div id="map" style="width: 500px; height: 400px;"&gt;&lt;/div&gt; &lt;/body&gt; &lt;/html&gt; </code></pre> <p>and my XML</p> <pre><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt; &lt;listings&gt; &lt;listing&gt; &lt;address&gt;4123 Rideau Valley Rd&lt;/address&gt; &lt;city&gt;MANOTICK&lt;/city&gt; &lt;/listing&gt; &lt;listing&gt; &lt;address&gt;4456 Rideau Valley Rd&lt;/address&gt; &lt;city&gt;MANOTICK&lt;/city&gt; &lt;/listing&gt; &lt;listing&gt; &lt;address&gt;111 Bridge St&lt;/address&gt; &lt;city&gt;MANOTICK&lt;/city&gt; &lt;/listing&gt; &lt;listing&gt; &lt;address&gt;777 Bridge St&lt;/address&gt; &lt;city&gt;Ottawa&lt;/city&gt; &lt;/listing&gt; &lt;listing&gt; &lt;address&gt;1333 Bridge Street&lt;/address&gt; &lt;city&gt;Manotick&lt;/city&gt; &lt;/listing&gt; &lt;/listings&gt; </code></pre>
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    1. COHave you tried stepping through your code???? To see if an error is occurring or if you have data for your latlngs?
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    2. COyes. Everything is the same as the example and should work. The example map starts at the default lng lat location then quickly loads the map markers. My copied version doesn't load the markers for some reason.
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    3. COLooks like the code that example started with doesn't work cross-browser (the original example doesn't work for me in Firefox), not sure if that is what you are seeing. I will fix it.
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