Hi I'm searching a way to map all the buildings of the french village Pouancé and its surrounding. But using the Bing map, it is impossible, it is not perfect enough to distinguish all the buildings from each other. How do people map buildings of a city ? Is there a special manipulation ? Thanks

Hi I'm searching a way to map all the buildings of the french village Pouancé and its surrounding. But using the Bing map, it is impossible, it is not perfect enough to distinguish all the buildings from each other. How do people map buildings of a city ? Is there a special manipulation ? Thanks