Of course it depends on your data, but one place to get started is a
project that I have shared on GitHub (http://github.com/chrisgemignani/
recovery-act-treemap/tree/master). This shows an example of how to
build a TreeMap using juicekit.
You can view the project live at http://recoveryact.juiceanalytics.com
There's a backend server component that we used to count votes and
generate fresh XML, but you shouldn't need that to try out the