title: JFreeChart - IntervalMarker vertical?
body: <p>In the examples provided by <code>JFreechart</code>, we see that it is possible to display horizontal <code>IntervalMarker</code>s. I would like to build vertical <code>IntervalMarker</code>s and I do not find the way to do that using this <a href="http://www.java2s.com/Code/Java/Chart/JFreeChartXYSeriesDemo3.htm" rel="nofollow">example</a>.</p>