Google Maps - using geocoder to get long/lat with javascript

Question

I'm trying to get longitude and latitude values from the google maps api with an address, however it doesn't seem to be returning any value. Is there a problem with my syntax?

var point = GClientGeocoder.getLatLng('1600 Pennsylvania Avenue NW Washington, DC 20500');
alert(point);

Do you get any error messages?

Pekka
– Pekka

2010-09-10 12:58:01 +00:00
Commented Sep 10, 2010 at 12:58 — Pekka
– Pekka, Commented Sep 10, 2010 at 12:58

Christopher Scott · Accepted Answer · 2013-08-08 00:01:10Z

38

It seems like you're using v2 of Google Maps; if you're interested in using v3 (since Google has officially deprecated version 2), you could do something like this:

var mygc = new google.maps.Geocoder();
mygc.geocode({'address' : '1600 Pennsylvania Avenue NW Washington, DC 20500'}, function(results, status){
    console.log( "latitude : " + results[0].geometry.location.lat() );
    console.log( "longitude : " + results[0].geometry.location.lng() );
});

It's similar to the other examples except:

You call new google.maps.Geocoder() instead of GClientGeocoder()
You pass in an object with an 'address' property, instead of the string by itself
The results is a JSON object, which means you have to access lat/lng a little differently

The Google API docs have more detail for v3. Cheers!

edited Aug 8, 2013 at 0:01

answered Sep 10, 2010 at 13:41

Christopher Scott

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Comments

Piskvor left the building · Accepted Answer · 2010-09-10 13:04:28Z

8

This works (provided you have the correct API key, subject to the 2500 requests/day rate limit):

address_string = '1600 Pennsylvania Avenue NW Washington, DC 20500';
geocoder = new GClientGeocoder();
geocoder.getLatLng(
    address_string,
    function(point) {
        if (point !== null) {
            alert(point); // or do whatever else with it
        } else {
            // error - not found, over limit, etc.
        }
    }
);

You seem to be calling a function of GClientGeocoder, where you need to create a new GClientGeocoder() and call its function.

answered Sep 10, 2010 at 13:04

Piskvor left the building

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Comments

Ankit Jaiswal · Accepted Answer · 2010-09-10 13:07:45Z

1

Try it like:

geocoder = new GClientGeocoder();
point = geocoder.getLatLng(address)

answered Sep 10, 2010 at 13:07

Ankit Jaiswal

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