PublisherDev

Recently I updated JudoWorldMap.com with country markers. First when I tried to add the markers to the map I realized I did not have the slightest idea where to put the marker. You can’t just average out between all markers of the country, because you could end up in a spot belonging to another country. And there are probably many people who would mind seeing their soil occupied by foreign flags. Even if it’s only on JudoWorldMap.com. But then I found that Google provides a nice geolocation api for addresses and it can be given only a country name. Google will return a latitude/longitude for a point somewhere in the country.

That prblem solved I started to look  at even more specific places like major cities. My first few tries in Google search were really futile but when I found a wikipedia list of “cities by latitude” and “cities by longitude” it all started to come together. Finally I found geonames.org. What a great resource for exactly what I was looking for, the geo location of major cities all around the world. And the data is shared under a Creative Commons license. What more can you ask for?