This sample visualizes the population level of various continents in 2011 based on the gender and age group.
In this example, you can see how to render a pie chart as a template for leaf items in TreeMap. Any custom HTML element can be rendered as label template. Tooltip is enabled in this example. To see the tooltip in action, hover the mouse over an item or tap an item in touch enabled devices. More information on treemap layout can be found in this documentation section.