I want to label around 300K addresses according to their longitudes and latitudes on the google map. By labeling, I mean put an indication sign on the map.
Are there any methods to realize it? Thank you.
Best, Leon
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I don't understand what you mean by 'label' – duncan Oct 06 '11 at 06:36
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If problem is in handling a large amount of markers - take a look at [Showing many markers in Google Maps](http://stackoverflow.com/questions/5413122/showing-many-markers-in-google-maps) – dmitry Oct 06 '11 at 11:10
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If you mean you have full, proper addresses and you want to geocode them (find lat/lngs) then consider using Google Fusion Tables - its like a spreadsheet to which you can define a location field.
Then, you can tell Google Fusion Tables to geocode those addresses for you and it fills in the lat/lng location, and creates a kml file from this with "infoboxes" which you can define.
The geocoding process should be seen as one-off operation, and may take somewhere between many minutes and many hours to do this work.
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You just have to watch. FT generally has a limit of 100k points on a map. A single table can contain more rows. but only the first 100k points will be put on the map. – barryhunter Oct 06 '11 at 18:30
