I came across this and found it quite cool.

Here is the minimal example:

   Re[Sin[x + I y]], 
   {x, -2 Pi, Pi},
   {y, -2 Pi, 2 Pi}, 
   ColorFunction -> "AvocadoColors", 
   PlotLegends -> {
     Placed[BarLegend[Automatic, LabelStyle -> {14, GrayLevel[0.3]}], Right], 
     Placed[BarLegend[Automatic, LabelStyle -> {14, GrayLevel[0.3]}], Top]

I want to do the same for a BarChart and do the equivalent of:

  ChartStyle -> {Red,Blue, Darker[Red], Darker[Blue]},
  ChartLegends-> {
    Placed[{"One", "Two"}, Top],
    Placed[{"One", "Two", "Ten", "Twenty"}, Left]

However the above simply gives me one legend with the last set of values. what am I missing? is there an elegant way of getting it to work?


1 Answer 1


One possible way is to use two datasets as input:

BarChart[{{1, 2, 10, 20}, {}}, 
  ChartStyle -> {Red, Blue, Darker[Red], Darker[Blue]}, 
  ChartLegends -> 
    {Placed[SwatchLegend[{Red, Blue}, {"One", "Two"}], Top],
     Placed[{"One", "Two", "Ten", "Twenty"}, Left]}] 

enter image description here

Another way is to wrap input data with Legended

BarChart[MapThread[Legended[#, Placed[#2, Left]] &, 
     {{1, 2, 10, 20}, {"One", "Two", "Ten", "Twenty"}}], 
  ChartStyle -> {Red, Blue, Darker[Red], Darker[Blue]}, 
  ChartLegends -> Placed[{"One", "Two"}, Top]] 

enter image description here

Use ChartStyle -> "Rainbow" to get

enter image description here

The first method requires manual insertion of appropriate colors in the first SwatchLegend to get the same picture, i.e., to use

 ChartLegends -> {Placed[SwatchLegend[ColorData[{"Rainbow",{1,4}}]/@{1,2}, 
    {"One", "Two"}], Top], 
  Placed[{"One", "Two", "Ten", "Twenty"}, Left]}

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