A multi-level pie chart is a pie (or donut) chart in which each piece of pie is further split into smaller pieces. It is sometimes also called "sunburst partition":
Is there an open source JavaScript library that would allow me to display a multi-level pie chart?
Data would be sent by the server, for instance as JSON/JSONP.
Requirements:
- Display multi-level pie chart
- Open source
- Data must never be sent to any third-party (so no Google Charts)