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I have seen few examples of using geoip in node.js such as https://github.com/kuno/GeoIP.git and https://github.com/wadey/node-geoip. However what i want is to display the map showing geoip for the particular loged in user.How can it be implemented.
You can get a geolocation database (such as from http://www.maxmind.com) and store it in mongo. Each record contains an IP range (start/end) and the latitude/longitude associated with that IP range. IPs are represented as integers. You could create an index on the
startfield, and do a query on mongo to find the record with the largest value ofstartwhich is smaller than the IP of your client user, and look up the corresponding lat/lon.As for plotting a map with this lat/lon, it’s very easy to create a google map which is centered on a particular location: (View source at: http://code.google.com/apis/maps/documentation/javascript/v2/examples/map-simple.html)
There are a lot of different ways of storing/querying geolocation data, but this is just one possible approach using mongo that might work. Hope this helps.