def calcDistAndLoops(rInfo, net, options):
if net.hasInternal:
rInfo.airDist = euclidean(
net.getEdge(rInfo.edges[0]).getShape()[0],
net.getEdge(rInfo.edges[-1]).getShape()[-1])
else:
rInfo.airDist = euclidean(
net.getEdge(rInfo.edges[0]).getFromNode().getCoord(),
net.getEdge(rInfo.edges[-1]).getToNode().getCoord())
rInfo.length = sumolib.route.getLength(net, rInfo.edges)
rInfo.airDistRatio = rInfo.length / rInfo.airDist
rInfo.edgeLoop = False
rInfo.nodeLoop = False
if options.edge_loops:
seen = set()
for e in rInfo.edges:
if e in seen:
rInfo.edgeLoop = True
rInfo.nodeLoop = True
break
seen.add(e)
if options.node_loops and not rInfo.nodeLoop:
seen = set()
for e in rInfo.edges:
t = net.getEdge(e).getToNode()
if t in seen:
rInfo.nodeLoop = True
break
seen.add(t)
def mapTrace(trace, net, delta, verbose=False, airDistFactor=2):
"""
matching a list of 2D positions to consecutive edges in a network.
The positions are assumed to be dense (i.e. covering each edge of the route) and in the correct order.
"""
result = ()
paths = {}
lastPos = None
if verbose:
print("mapping trace with %s points" % len(trace))
for pos in trace:
newPaths = {}
candidates = net.getNeighboringEdges(pos[0], pos[1], delta)
if len(candidates) == 0 and verbose:
print("Found no candidate edges for %s,%s" % pos)
for edge, d in candidates:
base = polygonOffsetWithMinimumDistanceToPoint(
pos, edge.getShape())
if paths:
advance = euclidean(lastPos, pos)
minDist = 1e400
minPath = None
for path, (dist, lastBase) in paths.items():
if dist < minDist:
if edge == path[-1]:
baseDiff = lastBase + advance - base
extension = ()
elif edge in path[-1].getOutgoing():
baseDiff = lastBase + advance - path[-1].getLength(
) - base
extension = (edge, )
else:
extension, cost = net.getShortestPath(
path[-1], edge, airDistFactor * advance)
if extension is None:
airLineDist = euclidean(
path[-1].getToNode().getCoord(),
edge.getFromNode().getCoord())
baseDiff = lastBase + advance - path[
-1].getLength() - base - airLineDist
extension = (edge, )
else:
baseDiff = lastBase + advance - base - cost + path[
-1].getLength()
extension = extension[1:]
if dist + baseDiff * baseDiff < minDist:
minDist = dist + baseDiff * baseDiff
minPath = path + extension
if minPath:
newPaths[minPath] = (minDist, base)
else:
newPaths[(edge, )] = (d * d, base)
if not newPaths:
if paths:
result += _getMinPath(paths)
paths = newPaths
lastPos = pos
if paths:
return result + _getMinPath(paths)
return result
def mapTrace(trace, net, delta, verbose=False, airDistFactor=2, fillGaps=False, gapPenalty=-1):
"""
matching a list of 2D positions to consecutive edges in a network.
The positions are assumed to be dense (i.e. covering each edge of the route) and in the correct order.
"""
result = ()
paths = {}
lastPos = None
if verbose:
print("mapping trace with %s points" % len(trace))
for pos in trace:
newPaths = {}
candidates = net.getNeighboringEdges(pos[0], pos[1], delta)
if len(candidates) == 0 and verbose:
print("Found no candidate edges for %s,%s" % pos)
for edge, d in candidates:
base = polygonOffsetWithMinimumDistanceToPoint(pos, edge.getShape())
if paths:
advance = euclidean(lastPos, pos)
minDist = 1e400
minPath = None
for path, (dist, lastBase) in paths.items():
if dist < minDist:
if edge == path[-1]:
baseDiff = lastBase + advance - base
extension = ()
elif edge in path[-1].getOutgoing():
baseDiff = lastBase + advance - path[-1].getLength() - base
extension = (edge,)
else:
extension = None
if fillGaps:
extension, cost = net.getShortestPath(path[-1], edge, airDistFactor * advance)
if extension is None:
airLineDist = euclidean(
path[-1].getToNode().getCoord(),
edge.getFromNode().getCoord())
if gapPenalty < 0:
gapPenalty = airLineDist
baseDiff = abs(lastBase + advance -
path[-1].getLength() - base - airLineDist) + gapPenalty
extension = (edge,)
else:
baseDiff = lastBase + advance - base - cost + path[-1].getLength()
extension = extension[1:]
if dist + baseDiff * baseDiff < minDist:
minDist = dist + baseDiff * baseDiff
minPath = path + extension
if minPath:
newPaths[minPath] = (minDist, base)
else:
newPaths[(edge,)] = (d * d, base)
if not newPaths:
if paths:
result += _getMinPath(paths)
paths = newPaths
lastPos = pos
if paths:
return result + _getMinPath(paths)
return result
def mapTrace(trace, net, delta, verbose=False):
"""
matching a list of 2D positions to consecutive edges in a network
"""
result = ()
paths = {}
if verbose:
print("mapping trace with %s points" % len(trace))
for pos in trace:
newPaths = {}
candidates = net.getNeighboringEdges(pos[0], pos[1], delta)
if len(candidates) == 0 and verbose:
print("Found no candidate edges for %s" % pos)
for edge, d in candidates:
base = polygonOffsetWithMinimumDistanceToPoint(
pos, edge.getShape())
if paths:
advance = euclidean(lastPos, pos)
minDist = 1e400
minPath = None
for path, (dist, lastBase) in paths.items():
if dist < minDist:
if edge == path[-1]:
baseDiff = lastBase + advance - base
elif edge in path[-1].getOutgoing():
baseDiff = lastBase + advance - path[-1].getLength(
) - base
else:
airLineDist = euclidean(
path[-1].getToNode().getCoord(),
edge.getFromNode().getCoord())
baseDiff = lastBase + advance - path[-1].getLength(
) - base - airLineDist
if dist + baseDiff * baseDiff < minDist:
minDist = dist + baseDiff * baseDiff
minPath = path if edge == path[-1] else path + (
edge, )
if minPath:
newPaths[minPath] = (minDist, base)
else:
newPaths[(edge, )] = (d * d, base)
if not newPaths:
if paths:
result += _getMinPath(paths)
paths = newPaths
lastPos = pos
if paths:
return result + _getMinPath(paths)
return result
def get_trip(self,
min_distance,
max_distance,
maxtries=100,
junctionTaz=False):
for _ in range(maxtries):
source_edge = self.source_generator.get()
intermediate = [
self.via_generator.get() for i in range(self.intermediate)
]
sink_edge = self.sink_generator.get()
if self.pedestrians:
destCoord = sink_edge.getFromNode().getCoord()
else:
destCoord = sink_edge.getToNode().getCoord()
coords = ([source_edge.getFromNode().getCoord()] +
[e.getFromNode().getCoord()
for e in intermediate] + [destCoord])
distance = sum(
[euclidean(p, q) for p, q in zip(coords[:-1], coords[1:])])
if (distance >= min_distance
and (not junctionTaz
or source_edge.getFromNode() != sink_edge.getToNode())
and (max_distance is None or distance < max_distance)):
return source_edge, sink_edge, intermediate
raise Exception("no trip found after %s tries" % maxtries)
def _parking_to_edge(self, parking):
""" Given a parking lot, return the closest edge (lane_0) and all the other info
required by SUMO for the parking areas:
(edge_info, lane_info, location, parking.coords, parking.capacity)
"""
edge_info = None
lane_info = None
dist_edge = sys.float_info.max # distance.euclidean(a,b)
location = None
for edge in self._net.getEdges():
if not (edge.allows('passenger') and edge.allows('pedestrian')):
continue
if self._is_too_short(edge.getLength()):
continue
stop_lane = None
index = 0
while not stop_lane:
try:
stop_lane = edge.getLane(index)
if not stop_lane.allows('passenger'):
stop_lane = None
index += 1
except IndexError:
stop_lane = None
break
if stop_lane:
# compute all the distances
counter = 0
for point in stop_lane.getShape():
dist = euclidean(
(float(parking['x']), float(parking['y'])), point)
if dist < dist_edge:
edge_info = edge
lane_info = stop_lane
dist_edge = dist
location = counter
counter += 1
if dist_edge > 50.0:
logging.info("Alert: parking lots %s is %d meters from edge %s.",
parking['id'], dist_edge, edge_info.getID())
return (edge_info, lane_info, location)
def _parkings_sumo(self):
""" Compute the parking lots stops location for SUMO. """
for plid, (_, lane, location) in self._parkings_edges_dict.items():
new_pl = {
'id':
plid,
'lane':
lane.getID(),
'start':
-self._PARKING_LEN / 2,
'end':
self._PARKING_LEN / 2,
'capacity':
self._get_capacity(plid),
'coords': (float(self._osm_parkings[plid]['x']),
float(self._osm_parkings[plid]['y'])),
}
_prec = None
_counter = 0
for point in lane.getShape():
if _prec is None:
_prec = point
_counter += 1
continue
if _counter <= location:
dist = euclidean(_prec, point)
new_pl['start'] += dist
new_pl['end'] += dist
_prec = point
_counter += 1
else:
break
if new_pl['start'] < self._BUFFER:
new_pl['start'] = self._BUFFER
new_pl['end'] = new_pl['start'] + self._PARKING_LEN
if new_pl['end'] > lane.getLength() - self._BUFFER:
new_pl['end'] = lane.getLength() - self._BUFFER
new_pl['start'] = new_pl['end'] - self._PARKING_LEN
self._sumo_parkings[plid] = new_pl
def get_trip(self, min_distance, max_distance, maxtries=100):
for i in range(maxtries):
source_edge = self.source_generator.get()
intermediate = [self.via_generator.get()
for i in range(self.intermediate)]
sink_edge = self.sink_generator.get()
if self.pedestrians:
destCoord = sink_edge.getFromNode().getCoord()
else:
destCoord = sink_edge.getToNode().getCoord()
coords = ([source_edge.getFromNode().getCoord()] +
[e.getFromNode().getCoord() for e in intermediate] +
[destCoord])
distance = sum([euclidean(p, q)
for p, q in zip(coords[:-1], coords[1:])])
if distance >= min_distance and (max_distance is None or distance < max_distance):
return source_edge, sink_edge, intermediate
raise Exception("no trip found after %s tries" % maxtries)
def mapTrace(trace, net, delta, verbose=False):
"""
matching a list of 2D positions to consecutive edges in a network
"""
result = []
paths = {}
if verbose:
print("mapping trace with %s points" % len(trace))
for pos in trace:
newPaths = {}
candidates = net.getNeighboringEdges(pos[0], pos[1], delta)
if len(candidates) == 0 and verbose:
print("Found no candidate edges for %s,%s" % pos)
for edge, d in candidates:
if paths:
minDist = 1e400
minPath = None
for path, dist in paths.iteritems():
if dist < minDist:
if edge == path[-1]:
minPath = path
minDist = dist
elif edge in path[-1].getOutgoing():
minPath = path + (edge, )
minDist = dist
else:
minPath = path + (edge, )
minDist = dist + euclidean(
path[-1].getToNode().getCoord(),
edge.getFromNode().getCoord())
if minPath:
newPaths[minPath] = minDist + d * d
else:
newPaths[(edge, )] = d * d
if not newPaths:
if paths:
result += [e.getID() for e in _getMinPath(paths)]
paths = newPaths
if paths:
return result + [e.getID() for e in _getMinPath(paths)]
return result
def _bus_stops_for_sumo(self, stops_to_edges):
""" Compute the bus stops location for SUMO. """
for ptid, (lane, location) in tqdm(stops_to_edges.items()):
new_pt = {
'id': ptid,
'name': self._get_stop_name(self._osm_bus_stops[ptid]),
'pt_type': self._osm_bus_stops[ptid]['pt_type'],
'lane': lane.getID(),
}
_start = -BUS_PLATFORM_LEN / 2
_end = BUS_PLATFORM_LEN / 2
_prec = None
_counter = 0
for point in lane.getShape():
if _prec is None:
_prec = point
_counter += 1
continue
if _counter <= location:
dist = euclidean(_prec, point)
_start += dist
_end += dist
_prec = point
_counter += 1
else:
break
if _start < 5.0:
_start = 5.0
_end = _start + BUS_PLATFORM_LEN
if _end > lane.getLength() - 5.0:
_end = lane.getLength() - 5.0
_start = _end - BUS_PLATFORM_LEN
new_pt['start'] = _start
new_pt['end'] = _end
self._sumo_bus_stops[ptid] = new_pt
def _bus_stop_to_lane(self, stop):
""" Given the coords of a bus stop, return te closest lane_0. """
lane_info = None
dist_edge = sys.float_info.max # distance.euclidean(a,b)
location = None
for edge in self._net.getEdges():
if not (edge.allows('bus') and edge.allows('pedestrian')):
continue
if edge.getLength() < (BUS_PLATFORM_LEN * 1.5):
continue
stop_lane = None
try:
stop_lane = edge.getLane(1)
except IndexError:
stop_lane = edge.getLane(0)
# compute all the distances
counter = 0
for point in stop_lane.getShape():
dist = euclidean((float(stop['x']), float(stop['y'])), point)
if dist < dist_edge:
lane_info = stop_lane
dist_edge = dist
location = counter
counter += 1
if dist_edge > 50.0:
logging.info("Alert: stop %s [%s] is %d meters from lane %s.",
stop['id'], stop['pt_type'], dist_edge,
lane_info.getID())
return (lane_info, location)
def _train_stop_to_lane(self, stop):
""" Given the coords of a stop, return te closest lane_0 """
lane_info = None
dist_edge = None
location = None
railway_lane_info = None
railway_dist_edge = sys.float_info.max # distance.euclidean(a,b)
railway_location = None
street_lane_info = None
street_dist_edge = sys.float_info.max # distance.euclidean(a,b)
street_location = None
for edge in self._net.getEdges():
if edge.allows('rail'):
if edge.getLength() < (TRAIN_PLATFORM_LEN * 1.5):
continue
lane_info = railway_lane_info
dist_edge = railway_dist_edge
location = railway_location
elif edge.allows('pedestrian'):
lane_info = street_lane_info
dist_edge = street_dist_edge
location = street_location
else:
continue
stop_lane = None
try:
stop_lane = edge.getLane(1)
except IndexError:
stop_lane = edge.getLane(0)
# compute all the distances
counter = 0
for point in stop_lane.getShape():
dist = euclidean((float(stop['x']), float(stop['y'])), point)
if dist < dist_edge:
lane_info = stop_lane
dist_edge = dist
location = counter
counter += 1
if edge.allows('rail'):
railway_lane_info = lane_info
railway_dist_edge = dist_edge
railway_location = location
else:
street_lane_info = lane_info
street_dist_edge = dist_edge
street_location = location
railway_access = (railway_lane_info, railway_location)
if railway_dist_edge > 50.0:
logging.info("Alert: stop %s [%s] is %d meters from lane %s.",
stop['id'], stop['pt_type'], railway_dist_edge,
railway_lane_info.getID())
street_access = (street_lane_info, street_location)
logging.info(
"Alert: Street access for stop %s [%s] is %d meters from edge %s.",
stop['id'], stop['pt_type'], street_dist_edge,
street_lane_info.getID())
if street_dist_edge > 500.0:
street_access = None
logging.info(
"Alert: Street access for stop %s too far and it will be removed.",
stop['id'])
return (railway_access, street_access)
def main():
DUAROUTER = sumolib.checkBinary('duarouter')
options = get_options()
net = readNet(options.network)
routeInfos = {} # id-> RouteInfo
if options.standalone:
for route in parse(options.routeFile, 'route'):
ri = RouteInfo()
ri.edges = route.edges.split()
routeInfos[route.id] = ri
else:
for vehicle in parse(options.routeFile, 'vehicle'):
ri = RouteInfo()
ri.edges = vehicle.route[0].edges.split()
routeInfos[vehicle.id] = ri
for rInfo in routeInfos.values():
rInfo.airDist = euclidean(
net.getEdge(rInfo.edges[0]).getShape()[0],
net.getEdge(rInfo.edges[-1]).getShape()[-1])
rInfo.length = getRouteLength(net, rInfo.edges)
rInfo.airDistRatio = rInfo.length / rInfo.airDist
duarouterInput = options.routeFile
if options.standalone:
# generate suitable input file for duarouter
duarouterInput += ".vehRoutes.xml"
with open(duarouterInput, 'w') as outf:
outf.write('<routes>\n')
for rID, rInfo in routeInfos.items():
outf.write(' <vehicle id="%s" depart="0">\n' % rID)
outf.write(' <route edges="%s"/>\n' %
' '.join(rInfo.edges))
outf.write(' </vehicle>\n')
outf.write('</routes>\n')
duarouterOutput = options.routeFile + '.rerouted.rou.xml'
duarouterAltOutput = options.routeFile + '.rerouted.rou.alt.xml'
subprocess.call([
DUAROUTER, '-n', options.network, '-r', duarouterInput, '-o',
duarouterOutput, '--no-step-log'
])
for vehicle in parse(duarouterAltOutput, 'vehicle'):
routeAlts = vehicle.routeDistribution[0].route
if len(routeAlts) == 1:
routeInfos[vehicle.id].detour = 0
routeInfos[vehicle.id].detourRatio = 1
routeInfos[vehicle.id].shortest_path_distance = routeInfos[
vehicle.id].length
else:
oldCosts = float(routeAlts[0].cost)
newCosts = float(routeAlts[1].cost)
assert (routeAlts[0].edges.split() == routeInfos[vehicle.id].edges)
routeInfos[vehicle.id].shortest_path_distance = getRouteLength(
net, routeAlts[1].edges.split())
if oldCosts <= newCosts:
routeInfos[vehicle.id].detour = 0
routeInfos[vehicle.id].detourRatio = 1
if oldCosts < newCosts:
sys.stderr.write((
"Warning: fastest route for '%s' is slower than original route "
+ "(old=%s, new=%s). Check vehicle types\n") %
(vehicle.id, oldCosts, newCosts))
else:
routeInfos[vehicle.id].detour = oldCosts - newCosts
routeInfos[vehicle.id].detourRatio = oldCosts / newCosts
implausible = []
allRoutesStats = Statistics("overal implausiblity")
implausibleRoutesStats = Statistics("implausiblity above threshold")
for rID in sorted(routeInfos.keys()):
ri = routeInfos[rID]
ri.implausibility = (
options.airdist_ratio_factor * ri.airDistRatio +
options.detour_factor * ri.detour +
options.detour_ratio_factor * ri.detourRatio +
max(0, options.min_dist / ri.shortest_path_distance - 1) +
max(0, options.min_air_dist / ri.airDist - 1))
allRoutesStats.add(ri.implausibility, rID)
if ri.implausibility > options.threshold:
implausible.append((ri.implausibility, rID, ri))
implausibleRoutesStats.add(ri.implausibility, rID)
# generate restrictions
if options.restrictions_output is not None:
with open(options.restrictions_output, 'w') as outf:
for score, rID, ri in sorted(implausible):
edges = ri.edges
if options.odrestrictions and len(edges) > 2:
edges = [edges[0], edges[-1]]
outf.write("0 %s\n" % " ".join(edges))
if options.ignore_routes is not None:
numImplausible = len(implausible)
ignored = set([r.strip() for r in open(options.ignore_routes)])
implausible = [r for r in implausible if r not in ignored]
print(
"Loaded %s routes to ignore. Reducing implausible from %s to %s" %
(len(ignored), numImplausible, len(implausible)))
# generate polygons
polyOutput = options.routeFile + '.implausible.add.xml'
colorgen = Colorgen(("random", 1, 1))
with open(polyOutput, 'w') as outf:
outf.write('<additional>\n')
for score, rID, ri in sorted(implausible):
generate_poly(options, net, rID, colorgen(), ri.edges, outf, score)
outf.write('</additional>\n')
sys.stdout.write(
'score\troute\t(airDistRatio, detourRatio, detour, shortestDist, airDist)\n'
)
for score, rID, ri in sorted(implausible):
# , ' '.join(ri.edges)))
sys.stdout.write('%.7f\t%s\t%s\n' %
(score, rID,
(ri.airDistRatio, ri.detourRatio, ri.detour,
ri.shortest_path_distance, ri.airDist)))
print(allRoutesStats)
print(implausibleRoutesStats)
def mapTrace(trace,
net,
delta,
verbose=False,
airDistFactor=2,
fillGaps=False,
gapPenalty=-1,
debug=False):
"""
matching a list of 2D positions to consecutive edges in a network.
The positions are assumed to be dense (i.e. covering each edge of the route) and in the correct order.
"""
result = ()
paths = {}
lastPos = None
if verbose:
print("mapping trace with %s points" % len(trace))
for pos in trace:
newPaths = {}
candidates = net.getNeighboringEdges(pos[0], pos[1], delta,
not net.hasInternal)
if debug:
print("\n\npos:%s, %s" % (pos[0], pos[1]))
print("candidates:%s\n" % candidates)
if len(candidates) == 0 and verbose:
print("Found no candidate edges for %s,%s" % pos)
for edge, d in candidates:
base = polygonOffsetWithMinimumDistanceToPoint(
pos, edge.getShape())
if paths:
advance = euclidean(lastPos, pos) # should become a vector
minDist = 1e400
minPath = None
for path, (dist, lastBase) in paths.items():
if debug:
print("*** extending path %s by edge '%s'" %
([e.getID() for e in path], edge.getID()))
print(
" lastBase: %s, base: %s, advance: %s, old dist: %s, minDist: %s"
% (lastBase, base, advance, dist, minDist))
if dist < minDist:
if edge == path[-1]:
baseDiff = lastBase + advance - base
extension = ()
if debug:
print("---------- same edge")
else:
extension, cost = net.getShortestPath(
path[-1], edge, airDistFactor * advance +
edge.getLength() + path[-1].getLength())
if extension is not None and not fillGaps and len(
extension) > 2:
extension = None
if extension is None:
airLineDist = euclidean(
path[-1].getToNode().getCoord(),
edge.getFromNode().getCoord())
if gapPenalty < 0:
gapPenalty = airDistFactor * advance
baseDiff = abs(lastBase + advance -
path[-1].getLength() - base -
airLineDist) + gapPenalty
extension = (edge, )
else:
baseDiff = lastBase + advance - (
cost - edge.getLength()) - base
extension = extension[1:]
if debug:
print(
"---------- extension path: %s, cost: %s, baseDiff: %s"
% (extension, cost, baseDiff))
dist += baseDiff * baseDiff
if dist < minDist:
minDist = dist
minPath = path + extension
if debug:
print("*** new dist: %s baseDiff: %s minDist: %s" %
(dist, baseDiff, minDist))
if minPath:
newPaths[minPath] = (minDist, base)
else:
newPaths[(edge, )] = (d * d, base)
if not newPaths:
if paths:
result += _getMinPath(paths)
paths = newPaths
lastPos = pos
if paths:
if debug:
print("**************** result:")
for i in result + _getMinPath(paths):
print("path:%s" % i.getID())
return result + _getMinPath(paths)
return result
def main():
DUAROUTER = sumolib.checkBinary('duarouter')
options = get_options()
net = readNet(options.network)
routeInfos = {} # id-> RouteInfo
if options.standalone:
for route in parse(options.routeFile, 'route'):
ri = RouteInfo()
ri.edges = route.edges.split()
routeInfos[route.id] = ri
else:
for vehicle in parse(options.routeFile, 'vehicle'):
ri = RouteInfo()
ri.edges = vehicle.route[0].edges.split()
routeInfos[vehicle.id] = ri
for rInfo in routeInfos.values():
rInfo.airDist = euclidean(
net.getEdge(rInfo.edges[0]).getShape()[0],
net.getEdge(rInfo.edges[-1]).getShape()[-1])
rInfo.length = getRouteLength(net, rInfo.edges)
rInfo.airDistRatio = rInfo.length / rInfo.airDist
duarouterInput = options.routeFile
if options.standalone:
# generate suitable input file for duarouter
duarouterInput += ".vehRoutes.xml"
with open(duarouterInput, 'w') as outf:
outf.write('<routes>\n')
for rID, rInfo in routeInfos.items():
outf.write(' <vehicle id="%s" depart="0">\n' % rID)
outf.write(' <route edges="%s"/>\n' % ' '.join(rInfo.edges))
outf.write(' </vehicle>\n')
outf.write('</routes>\n')
duarouterOutput = options.routeFile + '.rerouted.rou.xml'
duarouterAltOutput = options.routeFile + '.rerouted.rou.alt.xml'
subprocess.call([DUAROUTER,
'-n', options.network,
'-r', duarouterInput,
'-o', duarouterOutput,
'--no-step-log'])
for vehicle in parse(duarouterAltOutput, 'vehicle'):
routeAlts = vehicle.routeDistribution[0].route
if len(routeAlts) == 1:
routeInfos[vehicle.id].detour = 0
routeInfos[vehicle.id].detourRatio = 1
routeInfos[vehicle.id].shortest_path_distance = routeInfos[vehicle.id].length
else:
oldCosts = float(routeAlts[0].cost)
newCosts = float(routeAlts[1].cost)
assert(routeAlts[0].edges.split() == routeInfos[vehicle.id].edges)
routeInfos[vehicle.id].shortest_path_distance = getRouteLength(net, routeAlts[1].edges.split())
if oldCosts <= newCosts:
routeInfos[vehicle.id].detour = 0
routeInfos[vehicle.id].detourRatio = 1
if oldCosts < newCosts:
sys.stderr.write(("Warning: fastest route for '%s' is slower than original route " +
"(old=%s, new=%s). Check vehicle types\n") % (
vehicle.id, oldCosts, newCosts))
else:
routeInfos[vehicle.id].detour = oldCosts - newCosts
routeInfos[vehicle.id].detourRatio = oldCosts / newCosts
implausible = []
allRoutesStats = Statistics("overal implausiblity")
implausibleRoutesStats = Statistics("implausiblity above threshold")
for rID in sorted(routeInfos.keys()):
ri = routeInfos[rID]
ri.implausibility = (options.airdist_ratio_factor * ri.airDistRatio +
options.detour_factor * ri.detour +
options.detour_ratio_factor * ri.detourRatio +
max(0, options.min_dist / ri.shortest_path_distance - 1) +
max(0, options.min_air_dist / ri.airDist - 1))
allRoutesStats.add(ri.implausibility, rID)
if ri.implausibility > options.threshold:
implausible.append((ri.implausibility, rID, ri))
implausibleRoutesStats.add(ri.implausibility, rID)
# generate restrictions
if options.restrictions_output is not None:
with open(options.restrictions_output, 'w') as outf:
for score, rID, ri in sorted(implausible):
edges = ri.edges
if options.odrestrictions and len(edges) > 2:
edges = [edges[0], edges[-1]]
outf.write("0 %s\n" % " ".join(edges))
if options.ignore_routes is not None:
numImplausible = len(implausible)
ignored = set([r.strip() for r in open(options.ignore_routes)])
implausible = [r for r in implausible if r not in ignored]
print("Loaded %s routes to ignore. Reducing implausible from %s to %s" % (
len(ignored), numImplausible, len(implausible)))
# generate polygons
polyOutput = options.routeFile + '.implausible.add.xml'
colorgen = Colorgen(("random", 1, 1))
with open(polyOutput, 'w') as outf:
outf.write('<additional>\n')
for score, rID, ri in sorted(implausible):
generate_poly(net, rID, colorgen(), 100, False, ri.edges, options.blur, outf, score)
outf.write('</additional>\n')
sys.stdout.write('score\troute\t(airDistRatio, detourRatio, detour, shortestDist, airDist)\n')
for score, rID, ri in sorted(implausible):
# , ' '.join(ri.edges)))
sys.stdout.write('%.7f\t%s\t%s\n' % (score, rID, (ri.airDistRatio, ri.detourRatio,
ri.detour, ri.shortest_path_distance, ri.airDist)))
print(allRoutesStats)
print(implausibleRoutesStats)
def _train_stops_for_sumo(self, stops_to_edges):
""" Compute the train stops location for SUMO. """
for ptid, values in tqdm(stops_to_edges.items()):
railway_access, street_access = values
railway_lane_info, railway_location = railway_access
new_pt = {
'id': ptid,
'name': self._get_stop_name(self._osm_train_stops[ptid]),
'pt_type': self._osm_train_stops[ptid]['pt_type'],
'lane': railway_lane_info.getID(),
}
### Compute the position for the railway
_start = -TRAIN_PLATFORM_LEN / 2
_end = TRAIN_PLATFORM_LEN / 2
_prec = None
_counter = 0
for point in railway_lane_info.getShape():
if _prec is None:
_prec = point
_counter += 1
continue
if _counter <= railway_location:
dist = euclidean(_prec, point)
_start += dist
_end += dist
_prec = point
_counter += 1
else:
break
if _start < 5.0:
_start = 5.0
_end = _start + TRAIN_PLATFORM_LEN
if _end > railway_lane_info.getLength() - 5.0:
_end = railway_lane_info.getLength() - 5.0
_start = _end - TRAIN_PLATFORM_LEN
if railway_lane_info.getLength() <= TRAIN_PLATFORM_LEN:
_start = 5.0
_end = railway_lane_info.getLength() - 5.0
new_pt['start'] = _start
new_pt['end'] = _end
street_lane_info, street_location = (None, None)
if street_access:
street_lane_info, street_location = street_access
new_pt['access'] = {'lane': street_lane_info.getID()}
### Compute the position for the street
_start = -TRAIN_PLATFORM_LEN / 2
_end = TRAIN_PLATFORM_LEN / 2
_prec = None
_counter = 0
for point in street_lane_info.getShape():
if _prec is None:
_prec = point
_counter += 1
continue
if _counter <= street_location:
dist = euclidean(_prec, point)
_start += dist
_end += dist
_prec = point
_counter += 1
else:
break
if _start < 5.0:
_start = 5.0
_end = _start + TRAIN_PLATFORM_LEN
if _end > street_lane_info.getLength() - 5.0:
_end = street_lane_info.getLength() - 5.0
_start = _end - TRAIN_PLATFORM_LEN
if street_lane_info.getLength() <= TRAIN_PLATFORM_LEN:
_start = 5.0
_end = street_lane_info.getLength() - 5.0
new_pt['access']['pos'] = (_start + _end) / 2
self._sumo_train_stops[ptid] = new_pt
def rectify_input(options):
# convert depart-time to seconds
# add random seconds from [-options.diffuse/2, options.diffuse/2] to reduce traffic bursts
# (right now the most important trip for each person is aligned to 5min slot
# and some of these slots are very crowded)
# gaps
# NaN
# ordering assumptions
# every "person" appears only once. A person is defined by (person_id, household_id)
# trips for each person are sorted by departure
# report overlapping times
# filter trips wich start on the next day
# filter trips by mode (optional)
# diffuse geoCoordinates with a gausian (mu = 0, sigma = spatialDiffuse meters)
# since tapas inputs tends to show strong spatial clustering (call it
# parking related diffusion)
diffusion_map = {}
modes = options.modes.split(",")
if options.max_spatial_diffusion > 0:
loc_count = collections.defaultdict(int)
for row in csv.DictReader(open(options.tapas_trips)):
if row[TH.mode] in modes:
loc_count[(row[TH.source_long], row[TH.source_lat])] += 1
loc_count[(row[TH.dest_long], row[TH.dest_lat])] += 1
for coord, count in loc_count.items():
if count >= options.spatial_diffusion_bounds[0]:
scale = float(count - options.spatial_diffusion_bounds[0]) / (
options.spatial_diffusion_bounds[1] -
options.spatial_diffusion_bounds[0])
diffusion = scale * (
options.max_spatial_diffusion -
options.spatial_diffusion) + options.spatial_diffusion
if diffusion < options.max_spatial_diffusion:
diffusion_map[coord] = diffusion
if os.path.exists(options.location_priority_file):
for loc in sumolib.xml.parse(options.location_priority_file, "poi"):
diffusion_map[(loc.lon, loc.lat)] = 0
with open(options.rectified_log, 'w') as logfile:
log = get_logger(logfile)
writer = csv.DictWriter(open(options.rectified, 'w'),
THX.fieldnames,
extrasaction='ignore',
lineterminator='\n')
writer.writeheader()
persons = 0
rows = 0
gaps = 0
gap_sum = 0
max_gap = 0
max_gap_uid = None
max_depart = 0
max_depart_uid = None
inconsistent = 0
skipped_wrong_mode = 0
skipped_wrong_depart = 0
# asserts that each person appears only in one consecutive sequence of
# # entries
gen = csv_sequence_generator(options.tapas_trips,
(TH.person_id, TH.household_id),
assertUniqe=True)
for (pid, hid), trip_sequence in gen:
persons += 1
previous_row = None
previous_dest = None
previous_end = None
previous_depart = None
spatial_offset = None
# smooth bursts due to low resolution
smoothing_offset = int(
random.random() *
(options.time_diffusion + 1)) - options.time_diffusion // 2
for row in trip_sequence:
rows += 1
uid = build_uid(row)
source_coord = (row[TH.source_long], row[TH.source_lat])
source = options.net.convertLonLat2XY(*source_coord)
if spatial_offset is None:
if source_coord in diffusion_map:
spatial_offset = [
random.gauss(0, diffusion_map[source_coord])
for i in range(2)
]
elif options.max_spatial_diffusion <= 0 and options.spatial_diffusion > 0:
spatial_offset = [
random.gauss(0, options.spatial_diffusion)
for i in range(2)
]
dest_coord = (row[TH.dest_long], row[TH.dest_lat])
dest = options.net.convertLonLat2XY(*dest_coord)
depart_minute = int(row[TH.depart_minute])
depart = depart_minute * 60 + smoothing_offset
duration = float(row[TH.duration])
activity_duration = int(row[TH.activity_duration_minutes]) * 60
if depart_minute - 24 * 60 >= TAPAS_DAY_OVERLAP_MINUTES or depart_minute <= -TAPAS_DAY_OVERLAP_MINUTES:
log("Warning: dropping trip %s because it starts on the wrong day (minute %s)"
% (uid, depart_minute))
skipped_wrong_depart += 1
if depart_minute > max_depart:
max_depart = depart_minute
max_depart_uid = uid
continue
row[THX.depart_second] = depart
if math.isnan(duration):
log('Warning: NaN value in duration of trip %s' % uid)
duration = 1
row[TH.duration] = duration
if previous_end is not None and depart < previous_end:
if (previous_end - depart >= 60):
# input data only has minute resolution anyway and may
# suffer from rounding
inconsistent += 1
log("Warning: inconsistent depart time for trip %s (%s seconds)"
% (uid, previous_end - depart))
depart = previous_end
previous_end = int(depart + duration + activity_duration)
if previous_depart is not None and depart < previous_depart:
raise MappingError(
'Unordered trips for person %s at departure %s' %
(pid, depart_minute))
previous_depart = depart
# close gaps in trip sequence
if previous_dest and previous_dest != source and not options.ignore_gaps:
gaps += 1
gap = euclidean(previous_dest, source)
gap_sum += gap
max_gap = max(max_gap, gap)
max_gap_uid = uid
# to many to list them all
# print('Warning: gap in edge sequence at trip %s (length %s)' % (uid, gap))
# XXX add teleport-trip for closing the gap
# row[TH.source_long] = previous_row[TH.dest_long]
# row[TH.source_lat] = previous_row[TH.dest_lat]
continue
previous_row = row
previous_dest = dest
if spatial_offset is not None:
row[TH.source_long], row[
TH.source_lat] = options.net.convertXY2LonLat(
source[0] + spatial_offset[0],
source[1] + spatial_offset[1])
if dest_coord in diffusion_map:
spatial_offset = [
random.gauss(0, diffusion_map[dest_coord])
for i in range(2)
]
else:
spatial_offset = [
random.gauss(0, options.spatial_diffusion)
for i in range(2)
]
row[TH.dest_long], row[
TH.dest_lat] = options.net.convertXY2LonLat(
dest[0] + spatial_offset[0],
dest[1] + spatial_offset[1])
if row[TH.mode] in modes:
writer.writerow(row)
else:
skipped_wrong_mode += 1
log('Read %s persons with a total of %s trips from input file "%s".' %
(persons, rows, options.tapas_trips))
if skipped_wrong_mode > 0:
log('Dropped %s trips because they have the wrong mode' %
skipped_wrong_mode)
log('%s trips have inconsistent depart times.' % inconsistent)
if gaps > 0:
log('Dropped %s trips because of gaps, avg: %s, maximum: %s (for trip %s).'
% (gaps, gap_sum / gaps, max_gap, max_gap_uid))
if skipped_wrong_depart > 0:
log('Dropped %d trips because they start on the wrong day (maximum: %s for trip %s).'
% (skipped_wrong_depart, max_depart, max_depart_uid))
