Creating a Ground Overlay: Berlin Occupation Zones

This example adds a custom ground overlay provider, which displays the image of a map showing the allied occupation sectors in Berlin across a specified Geographic area.

Credits

berlin-sector.png
The file berlin-sector.png is based on https://en.wikipedia.org/wiki/Allied-occupied_Germany#/media/File:Occupied_Berlin.svg
It is Copyright Wikipedia user Stefan-XP (Stefan@XpofPc.de)
Licensed under CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0/)