graphs.py

import matplotlib.pyplot
import datetime

x = []
height = []
humidity = []
 
readFile = open("C:\Users\Keith\Documents\data.txt", "r")
 
max_altitude = 0
flight_duration = 0
 
for line in readFile:
 
    datastring = line.split(',')

    callsign = datastring[0]

    callsign = str(callsign[2:])

    time_str = str(datastring[2])
    altitude = float(datastring[5])
    humidity_result = float(datastring[11])
 
    hours = int(time_str[0:2])
    minutes = int(time_str[2:4])
    seconds = int(time_str[4:6])
 
    time_obj = datetime.datetime(2013, 11, 2, hours, minutes, seconds, 0)
 
    if altitude > max_altitude:
        max_altitude = altitude
 
    x.append(time_obj)
    height.append(altitude)
    humidity.append(humidity_result)

def plot():
    axes_height = matplotlib.pyplot.subplot(211)
    axes_height.set_title(str(callsign + " Altitude Data"))
    matplotlib.pyplot.plot(x, height)
    axes_humidity = matplotlib.pyplot.subplot(212)
    axes_humidity.set_title(str(callsign + " Humidity Data"))
    matplotlib.pyplot.plot(x, humidity)
    axes_humidity.set_xlabel('Time in s')
    axes_height.set_ylabel('Height in m')
    axes_humidity.set_ylabel('Velocity in m/s')
    axes_humidity.set_xlabel('Time in s')
    matplotlib.pyplot.show()
 
readFile.close()
 
print "Max Altitude: " + str(max_altitude)

flight_duration = x[-1] - x[0]

print "Flight Duration: " + str(flight_duration)

plot()