title: How can I add horizontal line to bar chart in Jasper Report?
body: <p>I'm trying to designing a report with bar chart, in which I need to add a threshold. I have tried with multi-axis chart, in which the scale in different axis is always different. </p>
  
  <p>Is there any other solution to add line to bar chart?</p>
  
  <p>My expect output is a chart as below:
  <a href="https://i.stack.imgur.com/qBK8b.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/qBK8b.png" alt="enter image description here"></a></p>