import matplotlib.pyplot as plt
import os.path

import tephi

winds = os.path.join(tephi.DATA_DIR, 'barbs.txt')
column_titles = ('pressure', 'dewpoint', 'wind_speed', 'wind_direction')
barb_data = tephi.loadtxt(winds, column_titles=column_titles)
dews = zip(barb_data.pressure, barb_data.dewpoint)
barbs = zip(barb_data.wind_speed, barb_data.wind_direction, barb_data.pressure)
tpg = tephi.TephiAxes()
profile = tpg.plot(dews)
profile.barbs(barbs)
plt.show()