I’ve always questioned the sanity of the people who do something similar to the former example in d3.js; this is so much easier: http://pygm.us/IhBQwUAI http://

I’ve always questioned the sanity of the people who do something similar to the former example in d3.js; this is so much easier: http://pygm.us/IhBQwUAI http://pygm.us/IhBQwUAI.