# pyplot_windrose.jl
#
#	Demonstrate windrose bar and line plots
#
# gizmaa (https://gist.github.com/gizmaa/7214002)
# Julia 1.1.0
# Last Edit: 10.05.19

using PyPlot

#################
#  Create Data  #
#################
theta = collect(0:2pi/30:2pi)
r = rand(length(theta))
width = 2pi/length(theta) # Desired width of each bar in the bar plot

##########################
##  Windrose Line Plot  ##
##########################
fig = figure("pyplot_windrose_lineplot",figsize=(10,10)) # Create a new figure
ax = PyPlot.axes(polar="true") # Create a polar axis
PyPlot.title("Wind Rose - Line")
p = plot(theta,r,linestyle="-",marker="None") # Basic line plot

dtheta = 10
ax.set_thetagrids(collect(0:dtheta:360-dtheta)) # Show grid lines from 0 to 360 in increments of dtheta
ax.set_theta_zero_location("N") # Set 0 degrees to the top of the plot
ax.set_theta_direction(-1) # Switch to clockwise
fig.canvas.draw() # Update the figure

#########################
##  Windrose Bar Plot  ##
#########################
fig = figure("pyplot_windrose_barplot",figsize=(10,10)) # Create a new figure
ax = PyPlot.axes(polar="true") # Create a polar axis
PyPlot.title("Wind Rose - Bar")
b = bar(theta,r,width=width) # Bar plot

dtheta = 10
ax.set_thetagrids(collect(0:dtheta:360-dtheta)) # Show grid lines from 0 to 360 in increments of dtheta
ax.set_theta_zero_location("N") # Set 0 degrees to the top of the plot
ax.set_theta_direction(-1) # Switch to clockwise
fig.canvas.draw() # Update the figure