The following steps are performed by the Python script:

1. Parse json file from onionoo
2. Generate XML-based KML files.
3. Generate HTML that displays KML files on OpenStreetMap.

Original Post: http://moblog.wiredwings.com/archives/20101213/Visualization-Tor-nodes-on-Google-Maps-and-Google-Earth.html

Post on current code: https://www.void.gr/kargig/blog/2012/11/27/world-city-map-of-tor-nodes/