Pie Charts
The most common customizations to <apex:pieSeries> charts is to colors and labels. Use the colorSet attribute and the <apex:chartLabel> component that were demonstrated in previous examples.
To create a ring chart instead of a pie chart, set the donut attribute. The donut attribute is an integer between 0 and 100 and represents the percentage of the radius of the hole. Here’s a simple ring chart:
See Also