def plotGains(coordinator_id ,tx_node_id, rx_node_id, year = None, month = None, day = None):
#call the method when you want to plot the results from the file
#open file with measurements and plot results from it
#specify year, month, day if you only want to take into account gain measurements made until that date. If those are not specified, then all measurements will be taken into account.
#first get data from the file
gains = GainCalculations.getFileResults(coordinator_id, tx_node_id, rx_node_id, year=year, month=month, day=day)
#gains will have the following form : [ [gain - linear , received_power[w] , noise_power[w], transmitted_power[w], date ], [gain - linear , received_power[w] , noise_power[w], transmitted_power[w], date ], .. ]
if gains is None:
aux = tx_node_id
tx_node_id = rx_node_id
rx_node_id = aux
print "There are no values available for this combination. Trying with gain_between_tx_%d_and_rx_%d.dat? (yes or no)" %(tx_node_id, rx_node_id)
choice = raw_input("")
if choice.lower() == "no":
print "You have chosen no"
return None
elif choice.lower() == "yes":
gains = GainCalculations.getFileResults(coordinator_id, tx_node_id, rx_node_id, year=year, month=month, day=day)
if gains is None:
print "Sorry, there are no measurements for this combination at all"
return None
else:
print "Invalid input, you were supposed to enter yes or no"
return None
print "Plot gains"
#define a gain_list : [[gain_dB], [date]]
gain_list = [[],[]]
for i in gains:
date = DateTime.strptime((i[4])[0:16], "%Y-%m-%d %H:%M")
gain_list[0].append(10.00 * math.log10(i[0]) )
gain_list[1].append(date)
#plot results
Plot.plotGains(gain_list[1], gain_list[0], "Number of measurements", "Gain [dB]", "Gain between tx%d and rx%d" %(tx_node_id, rx_node_id), False)
