def plot_unique_trips():
from matplotlib import pyplot as plt
trip_lookup = {}
print("Loading map")
road_map = Map("nyc_map4/nodes.csv", "nyc_map4/links.csv")
print("Matching nodes")
sizes = []
with open("sample.csv", "r") as f:
reader = csv.reader(f)
reader.next()
for line in reader:
trip = Trip(line)
trip.num_occurrences = 1
trip.origin_node = road_map.get_nearest_node(
trip.fromLat, trip.fromLon)
trip.dest_node = road_map.get_nearest_node(trip.toLat, trip.toLon)
if ((trip.origin_node, trip.dest_node) in trip_lookup):
#Already seen this trip at least once
trip_lookup[trip.origin_node,
trip.dest_node].num_occurrences += 1
elif trip.origin_node != None and trip.dest_node != None:
#Never seen this trip before
trip_lookup[trip.origin_node, trip.dest_node] = trip
sizes.append(len(trip_lookup))
plt.plot(range(len(sizes)), sizes)
plt.xlabel("Inner Loop Iteration")
plt.ylabel("L1 Error (sec)")
fig = plt.gcf()
fig.set_size_inches(20, 10)
fig.savefig('test2png.png', dpi=100)
#Make unique trips into a list and return
new_trips = [trip_lookup[key] for key in trip_lookup]
return new_trips
def plot_unique_trips():
from matplotlib import pyplot as plt
trip_lookup = {}
print("Loading map")
road_map = Map("nyc_map4/nodes.csv", "nyc_map4/links.csv")
print("Matching nodes")
sizes = []
with open("sample.csv", "r") as f:
reader = csv.reader(f)
reader.next()
for line in reader:
trip = Trip(line)
trip.num_occurrences = 1
trip.origin_node = road_map.get_nearest_node(trip.fromLat, trip.fromLon)
trip.dest_node = road_map.get_nearest_node(trip.toLat, trip.toLon)
if((trip.origin_node, trip.dest_node) in trip_lookup):
#Already seen this trip at least once
trip_lookup[trip.origin_node, trip.dest_node].num_occurrences += 1
elif trip.origin_node !=None and trip.dest_node != None:
#Never seen this trip before
trip_lookup[trip.origin_node, trip.dest_node] = trip
sizes.append(len(trip_lookup))
plt.plot(range(len(sizes)), sizes)
plt.xlabel("Inner Loop Iteration")
plt.ylabel("L1 Error (sec)")
fig = plt.gcf()
fig.set_size_inches(20,10)
fig.savefig('test2png.png',dpi=100)
#Make unique trips into a list and return
new_trips = [trip_lookup[key] for key in trip_lookup]
return new_trips
