I built this during the weekend as an experiment for my gistpoint app and open sourced the js code as a Raphael plugin here: https://github.com/mquan/polkadot h

I built this during the weekend as an experiment for my gistpoint app and open sourced the js code as a Raphael plugin here: https://github.com/mquan/polkadot https://github.com/mquan/polkadot.