pyplot_multiaxis.jl

# pyplot_multiaxis.jl
#
#	Demonstrate use of multiple overlapping axes
#
# gizmaa (https://gist.github.com/gizmaa/7214002)
# Julia 1.1.0
# 19.12.13
# Last Edit: 10.05.19

using PyPlot

###################
##  Create Data  ##
###################
n = 15 # Number of values

x = collect(1:n)
y1 = 10rand(n,1) .- 2
y2 = 1000rand(n,1)
y3 = 30rand(n,1) .- 15

##########
#  Plot  #
##########
fig = figure("pyplot_multiaxis",figsize=(10,10))
p = plot(x,y1,linestyle="-",marker="o",label="First") # Plot a basic line
ax = gca()
PyPlot.title("Multi-axis Plot")

xlabel("X Axis")
font1 = Dict("color"=>"blue")
ylabel("Left Axis",fontdict=font1)
setp(ax.get_yticklabels(),color="blue") # Y Axis font formatting

################
#  Other Axes  #
################
new_position = [0.06;0.06;0.77;0.91] # Position Method 2
ax.set_position(new_position) # Position Method 2: Change the size and position of the axis
#fig.subplots_adjust(right=0.85) # Position Method 1

ax2 = ax.twinx() # Create another axis on top of the current axis
font2 = Dict("color"=>"purple")
ylabel("Right Axis",fontdict=font2)
p = plot(x,y2,color="purple",linestyle="-",marker="o",label="Second") # Plot a basic line
ax2.set_position(new_position) # Position Method 2
setp(ax2.get_yticklabels(),color="purple") # Y Axis font formatting

ax3 = ax.twinx() # Create another axis on top of the current axis
ax3.spines["right"].set_position(("axes",1.12)) # Offset the y-axis label from the axis itself so it doesn't overlap the second axis
font3 = Dict("color"=>"green")
ylabel("Far Right Axis",fontdict=font3)
p = plot(x,y3,color="green",linestyle="-",marker="o",label="Third") # Plot a basic line
ax3.set_position(new_position) # Position Method 2
setp(ax.get_yticklabels(),color="green") # Y Axis font formatting

axis("tight")

# Enable just the right part of the frame
ax3.set_frame_on(true) # Make the entire frame visible
ax3.patch.set_visible(false) # Make the patch (background) invisible so it doesn't cover up the other axes' plots
ax3.spines["top"].set_visible(false) # Hide the top edge of the axis
ax3.spines["bottom"].set_visible(false) # Hide the bottom edge of the axis

fig.canvas.draw() # Update the figure