Center Google Map Based on geocoded IP

Question

Basically whenever someones opens up my (Google) map I want it default to their approximate location. Is there an easy way to do it with Google's API or do I have to write a custom code (this is python based app)?

Accepted Answer

Check out http://www.ipinfodb.com/. You can get a latitude and longitude value by passing their services an IP address. I did something recently where I created a simple service that grabbed the current IP address and then passed it to the service ("api/location/city" is just a service that curls the ipinfodb service). Using jquery:

```
$.get("api/location/city", null, function(data, textStatus)
{        
    if (data != null)
    {
        if (data.Status == "OK")
        {
            var lat = parseFloat(data.Latitude);
            var lng = parseFloat(data.Longitude);

$.setCenter(lat, lng, $.settings.defaultCityZoom);

manager = new MarkerManager(map, {trackMarkers : true });

var e = $.createUserMarker(map.getCenter());
            e.bindInfoWindowHtml($("#marker-content-event").html());

var m = [];
            m.push(e);

// map.addOverlay(e);
            manager.addMarkers(m, 10);
            manager.refresh();
        }
        else
        {
            $.setCenter($.settings.defaultLat, $.settings.defaultLng, $.settings.defaultZoom);
        }
    }
}, "json");
```

The key here is this line:

```
$.setCenter(lat, lng, $.settings.defaultCityZoom);
```

Just setting the center to the lat/lng of the result of the service call.

Center Google Map Based on geocoded IP

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