Is it possible to draw a reference line on only one of the two bar with in a single bar graph
for more understanding see the below image
i want to draw 2 reference line in below 1st graph but once i draw the it cover both the graph , but user want that the one bottom shud only cover green bar means it range don't cross green bar & top line should start from orange bar graph and end at end of the orange bar
The only way to do that is by creating Line objects and position them where you want them. Those Line object naturally will not respond to any selections. So they won't change position if the bars in your chart change.