Simple task: I would like to place two bar charts in a row and have an indicator horizontal line going above the two bar charts.

What I did:

bar1 = BarChart[{100, 75, 100}, ChartLayout -> "Stacked", 
   ChartStyle -> {Blue, Black, Blue}, Frame -> False, Axes -> False, 
   PlotLabel -> "bar1"];
bar2 = BarChart[{100, 38, 15, 38, 85}, ChartLayout -> "Stacked", 
   ChartStyle -> {Blue, Black, White, Black, Blue}, Frame -> False, 
   Axes -> False, PlotLabel -> "bar2"];
indicator = 
  Plot[-65 + 100, {x, 0, 4}, PlotStyle -> Red, 
   PlotLegends -> ToString[65]];

To combine the plots, I tried:

Show[Row[bar1, bar2], indicator]

but the result:

enter image description here

HELP ! The colors need to be the same.

This is how it should look like in the end: enter image description here

  • $\begingroup$ No, I misunderstood what you wanted. Actually, I don't know what you want. Is there some example figure out there that you could link to so that we can see what you want? $\endgroup$
    – march
    Aug 4 '16 at 15:25
  • $\begingroup$ @march, I hope this helps. $\endgroup$
    – henry
    Aug 4 '16 at 15:37
  • $\begingroup$ Row requires the objects to be put in a list in the first argument, like in Row[{obj1, obj2, ...}]. You miss the curly braces in your code $\endgroup$
    – glS
    Aug 4 '16 at 15:39
  • $\begingroup$ Something like Overlay[{GraphicsRow[{bar1, bar2}],indicator}] but I am not sure where exactly you want that line to pass. $\endgroup$ Aug 4 '16 at 15:46
  • $\begingroup$ @march add answer? $\endgroup$
    – Feyre
    Aug 4 '16 at 16:20

Use Epilog and GraphicsRow. Something like

GraphicsRow[{bar1, bar2},
  Spacings -> -20,
  Epilog -> {Red, Thickness[0.02], Line[{{0, -180}, {750, -180}}]}

and you can change the coordinates {{0, -180}, {750, -180}} of the Line by trial and error to get what you want (that's how I usually do it). The result is

enter image description here


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