def travel_time_and_map_url(start, end, mode):
# because openrouteservice has trouble finding bike-routes, e.g. from Utrecht Centraal, we try to find other locations
# where we can bike from
jump_closer_distance = 100
bicycle_speed = 18 / 3.6
local_start = deepcopy(start)
local_end = deepcopy(end)
for i in range(0, 3):
try:
if i != 0:
logger.info('Trying again with locations ' +
local_start.full_str() + ', ' +
local_end.full_str())
extra_time = i * jump_closer_distance / bicycle_speed
time_sec = try_travel_time(local_start, local_end,
mode) + extra_time
return time_sec, map_url(local_start, local_end, mode)
except ConnectionNotFoundError as error:
distance = vincenty(local_start.gps, local_end.gps).meters
new_start = Location.midpoint(local_start, local_end,
jump_closer_distance / distance)
new_end = Location.midpoint(local_start, local_end,
(distance - jump_closer_distance) /
distance)
local_start = new_start
local_end = new_end
logger.error('Giving up on finding a route')
return 99999, map_url(local_start, local_end,
mode) # no bike route found, please ignore
def test_mid(self):
loc1 = Location('a', (0.5, 1.5))
loc2 = Location('b', (1.5, 3.5))
mid1 = Location.midpoint(loc1, loc2)
self.assertEqual(mid1.loc_str, 'mid_a_b')
self.assertEqual(mid1.gps, (1.0, 2.5))
mid2 = Location.midpoint(loc1, loc2, 0.75)
self.assertEqual(mid2.loc_str, 'mid_a_b')
self.assertEqual(mid2.gps, (1.25, 3.0))
def finish(self, edges):
loc_1 = Location.midpoint(self.start.location, self.end.location, 0.01)
loc_2 = Location.midpoint(self.start.location, self.end.location, 0.5)
loc_3 = Location.midpoint(self.start.location, self.end.location, 0.99)
loc_4 = self.end.location
if self.fix_time == FixTime.START:
start_time = self.start.time
else:
start_time = self.end.time - timedelta(hours=1)
time_1 = start_time + 0.25 * timedelta(hours=1)
time_2 = start_time + 0.5 * timedelta(hours=1)
time_3 = start_time + 0.75 * timedelta(hours=1)
time_4 = start_time + 0.99 * timedelta(hours=1)
p1 = Point(loc_1, time_1)
p2 = Point(loc_2, time_2)
p3 = Point(loc_3, time_3)
p4 = Point(loc_4, time_4)
edges += [
Segment(TransportType.BUS, p1, p2),
Segment(TransportType.TRAIN, p2, p3),
Segment(TransportType.WALK, p3, p4),
]