A while ago, a user asked me if it was possible to generate concentric charts with the Pie Chart component.

The answer was, and still is "no".  However the new Canvas Elements components (previously available as prototypes) include a Slice component that allows you to build up your own pie chart or doughnut chart slice by slice. Combining these two allows you to build your own concentric pie charts.

The attached component Concentric Pie Chart shows how this can be done. It isn't as fully functional as the released components but it allows you to specify the data series and colours to be used. The Example Pie Chart protocol uses that component with our zoo.txt example data to produce the chart below.

I hope this gives an idea of the power and flexibility of these components.

Malcolm