Using BIRT dashboards : Using a gadget : Drilling into a chart gadget : How to drill down in a chart gadget
 
How to drill down in a chart gadget
1 Select the chart content, the context menu appears.
2 In the context menu, choose Drill into <value> where <value> is a data category or data series displayed in the chart, as shown in Figure 4‑45.
Figure 4‑45 Choosing a drill-down into a chart gadget
The chart displays the new data category or series selected. Users can continue to drill down and receive more detail or drill up to the previous chart view.