Question

embed google maps by postcode

Asked by: NeilT

Hi

I'm making a display center website and I want to be be able to embed a google map in the page simply by calling the API with a UK postcode (as that is all I have)

I've got a API key but just need the code please.

Runnin out of time to get the site finished so not just hints please.

Thanks
Neil

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Asked On
2008-05-14 at 05:48:45ID23401132
Topics

JavaScript

,

Miscellaneous Web Development

Participating Experts
1
Points
250
Comments
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Answers

 

by: b0lsc0ttPosted on 2008-05-14 at 18:43:31ID: 21570064

What do you mean a "display center website"?

If you provide the UK postcode then I can be more specific but the basic idea is like the html below.  Add you API key in the src of th script tag for it to work.

Let me know if you have a question or need more info.  I can help with the address if you need but basically you need to geocode it (i.e. get a latitude and longitude) and use that in the code.

bol

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <meta http-equiv="content-type" content="text/html; charset=utf-8"/>
    <title>Google Maps JavaScript API Example</title>
    <script src="http://maps.google.com/maps?file=api&amp;v=2&amp;key=YOURKEY"
      type="text/javascript"></script>
    <script type="text/javascript">
 
    //<![CDATA[
 
    function load() {
      if (GBrowserIsCompatible()) {
        var map = new GMap2(document.getElementById("map"));
        map.setCenter(new GLatLng(37.4419, -122.1419), 13);
      }
    }
 
    //]]>
    </script>
  </head>
  <body onload="load()" onunload="GUnload()">
    <div id="map" style="width: 500px; height: 300px"></div>
  </body>
</html>

                                              
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by: NeilTPosted on 2008-05-14 at 21:50:33ID: 21570723

I need to geocode it on the fly, are you aware how to do this.

One example would be CT202QY or CT20 2QY (not sure if you need the uk space or not)

Neil

 

by: NeilTPosted on 2008-05-15 at 02:14:56ID: 21571709

Here is the working code for anyone that this may help

Basically:
1) sign up for a google MAP and API key and add them where the #### are

http://www.google.com/apis/maps/signup.html
http://code.google.com/apis/ajaxsearch/signup.html

2) set your postcode (static or dynamic) using the $pc = xx variable

Neil

(credits to most of the API code go to : http://www.tomanthony.co.uk/blog/geocoding-uk-postcodes-with-google-map-api/ )

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>map from uk postcode</title>
</head>
<body>
 
<?php
$pc = "ct20 2qy";
?>
 
<div id="map" style="width: 500px; height: 300px"></div>
 
<script src="http://maps.google.com/maps?file=api&#038;v=2&#038;key=##############" type="text/javascript"></script>
<script src="http://www.google.com/uds/api?file=uds.js&#038;v=1.0&#038;key=##############" type="text/javascript"></script>
 
<script>
	var map;
	var localSearch = new GlocalSearch();
	
	var icon = new GIcon();
	icon.image = "http://www.google.com/mapfiles/marker.png";
	icon.shadow = "http://www.google.com/mapfiles/shadow50.png";
	icon.iconSize = new GSize(20, 34);
	icon.shadowSize = new GSize(37, 34);
	icon.iconAnchor = new GPoint(10, 34);
	
	function usePointFromPostcode(postcode) {	
		localSearch.setSearchCompleteCallback(null, function() {			
			if (localSearch.results[0])	{		
				var resultLat = localSearch.results[0].lat;
				var resultLng = localSearch.results[0].lng;
				var point = new GLatLng(resultLat,resultLng);
				var marker = new GMarker(point,icon);
				map.addOverlay(marker);
				map.setCenter(point, 15, G_NORMAL_MAP);
			}else{
				alert("Postcode not found!");
			}
		});			
	localSearch.execute(postcode + ", UK");
	}
	
	function mapLoad() {
		if (GBrowserIsCompatible()) {
			map = new GMap2(document.getElementById("map"));		
			map.addControl(new GLargeMapControl());
			map.addControl(new GMapTypeControl());		
			map.setCenter(new GLatLng(54.622978,-2.592773), 5, G_NORMAL_MAP);
			usePointFromPostcode('<?php echo $pc; ?>');
		}
	}
	
	function addLoadEvent(func) {
		var oldonload = window.onload;
		if (typeof window.onload != 'function') {
			window.onload = func;
		} else {
			window.onload = function() {
				oldonload();
				func();
			}
		}
	}
	
	function addUnLoadEvent(func) {
		var oldonunload = window.onunload;
		if (typeof window.onunload != 'function') {
			window.onunload = func;
		} else {
			window.onunload = function() {
				oldonunload();
				func();
			}
		}
	}
	
	addLoadEvent(mapLoad);
	addUnLoadEvent(GUnload);
 
</script>
 
</body>
</html>
                                              
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by: b0lsc0ttPosted on 2008-05-23 at 09:08:33ID: 21633386

I'm glad I could help.  Thanks for the grade, the points and the fun question.

bol

 

by: NeilTPosted on 2008-05-23 at 09:12:43ID: 21633424

at presnet this loads a uk map first, then does the postcode search, can i get it to simply open and do the postcode search?

I'll open a new question if you know how to help

Neil

 

by: b0lsc0ttPosted on 2008-05-23 at 10:12:41ID: 21633936

So do the postcode search when it loads the map?  Basically just load the map you want instead of a default one first.  You should be able to do that.  Post the new question and then post a comment here with the new question's URL.

If I misunderstood or you have a question then let me know.

bol

 

by: NeilTPosted on 2008-05-24 at 02:34:24ID: 21638450

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