my problem is i want to show my registered site user on to google map but dont know how to locate the user, means i dont know the latitude and longitude of every user . I am a newbie in google map so plz help
Thanks a ton
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4 Answers
What location data do you have for your users? Cities, states, countries?
You might want to have a look at Google's Geocoding APIs.
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webkul
Thanks coomer im interested in cities
there are two possible ways of doing this.
- Ask the user to search a google map and place themselves on it. Look here for an idea on how to do this http://www.designing4u.de/2008/08/google-maps-jquery-and-xml-saving-markers-with-user-input/
- Use an IP to Location database to find out the location based on their IP. Look here for how to do this http://www.ip2nation.com/ip2nation
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webkul
Thanks JOsh for such an awesome answer
There is no way to reliably locate a user using their IP address. However if you are developing for a mobile device it may be possible to acquire their GPS coordinates. Or you could require them to enter an address and place a point on the map from that address with geocoding.
1 Comment
webkul
Thanks jjclarkson but i am interested in locating the cities in the map
If you are collecting the address of each registered user, you can get the latitude and longitude on the server-side through the Google Maps HTTP Geocoding Service.
You would use the following HTTP request:
http://maps.google.com/maps/geo?q=Oxford+Street,+London&output=csv&sensor=false
Simply change the q parameter with your user's address.
