Show an operating range in the vision chart

[PGriffith]

In theory, something like this script to add a ValueMarker:

Bar chart (report) static line

Untested, but you would need something like this in the chart configuration script: from org.jfree.chart.plot import ValueMarker marker = ValueMarker(123) #point on range axis to label marker.setLabel("Some Marker") chart.getPlot().addRangeMarker(marker)

But you want to use the IntervalMarker class instead:
https://www.jfree.org/jfreechart/api/javadoc/org/jfree/chart/plot/IntervalMarker.html