This example shows how to draw beautiful DonutChart
Basic chart
Label and tooltip format
Description
The above example shows you how to create `DonutChart` using D3 package. In this example, for purpose of chart demonstration only, we do use mock-up data from array. As you can see, the KoolReport's widget in general support dataSource could be DataStore, Process, DataSource or even simple array.
In above examples we show you:
1. Create a simple donut chart
2. Format the label and tooltip