/usr/share/sumo/tools/ptlines2flows.py is in sumo-tools 0.32.0+dfsg1-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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# Eclipse SUMO, Simulation of Urban MObility; see https://eclipse.org/sumo
# Copyright (C) 2010-2017 German Aerospace Center (DLR) and others.
# This program and the accompanying materials
# are made available under the terms of the Eclipse Public License v2.0
# which accompanies this distribution, and is available at
# http://www.eclipse.org/legal/epl-v20.html
# @file ptlines2flows.py
# @author Gregor Laemmel
# @author Jakob Erdmann
# @author Michael Behrisch
# @date 2017-06-23
# @version $Id$
from __future__ import print_function
import os
import sys
import codecs
import subprocess
import collections
import random
from xml.sax.saxutils import escape
from optparse import OptionParser
import sumolib
if 'SUMO_HOME' in os.environ:
tools = os.path.join(os.environ['SUMO_HOME'], 'tools')
sys.path.append(tools)
else:
sys.exit("please declare environment variable 'SUMO_HOME'")
def get_options(args=None):
optParser = OptionParser()
optParser.add_option("-n", "--net-file", dest="netfile", help="network file")
optParser.add_option("-l", "--ptlines-file", dest="ptlines", help="public transit lines file")
optParser.add_option("-s", "--ptstops-file", dest="ptstops", help="public transit stops file")
optParser.add_option("-o", "--output-file", dest="outfile", default="flows.rou.xml", help="output flows file")
optParser.add_option("-i", "--stopinfos-file", dest="stopinfos",
default="stopinfos.xml", help="file from '--stop-output'")
optParser.add_option(
"-r", "--routes-file", dest="routes", default="vehroutes.xml", help="file from '--vehroute-output'")
optParser.add_option("-t", "--trips-file", dest="trips", default="trips.trips.xml", help="output trips file")
optParser.add_option("-p", "--period", type=float, default=600, help="period")
optParser.add_option("-b", "--begin", type=float, default=0, help="start time")
optParser.add_option("-e", "--end", type=float, default=3600, help="end time")
optParser.add_option("--min-stops", type=int, default=2, help="only import lines with at least this number of stops")
optParser.add_option("-f", "--flow-attributes", dest="flowattrs",
default="", help="additional flow attributes")
optParser.add_option("--use-osm-routes", default=False, action="store_true", dest='osmRoutes', help="use osm routes")
optParser.add_option("--random-begin", default=False, action="store_true", dest='randomBegin', help="randomize begin times within period")
optParser.add_option("--seed", type="int", help="random seed")
optParser.add_option("--ignore-errors", default=False, action="store_true", dest='ignoreErrors', help="ignore problems with the input data")
optParser.add_option("--no-vtypes", default=False, action="store_true", dest='novtypes', help="do not write vtypes for generated flows")
optParser.add_option("--types", help="only export the given list of types (using OSM nomenclature)")
optParser.add_option("--bus.parking", default=False, action="store_true", dest='busparking', help="let busses clear the road while stopping")
optParser.add_option("--vtype-prefix", default="", dest='vtypeprefix', help="prefix for vtype ids")
optParser.add_option("-d", "--stop-duration", default=30, type="float", dest='stopduration',
help="Configure the minimum stopping duration")
optParser.add_option("-v", "--verbose", action="store_true", default=False, help="tell me what you are doing")
(options, args) = optParser.parse_args(args=args)
if options.netfile is None or options.ptlines is None or options.ptstops is None:
sys.stderr.write("Error: net-file, ptlines-file and ptstops-file must be set\n")
optParser.print_help()
sys.exit(1)
if options.types is not None:
options.types = options.types.split(',')
return options
def writeTypes(fout, prefix):
print(""" <vType id="%sbus" vClass="bus"/>
<vType id="%stram" vClass="tram"/>
<vType id="%strain" vClass="rail"/>
<vType id="%ssubway" vClass="rail_urban"/>
<vType id="%slight_rail" vClass="rail_urban"/>
<vType id="%smonorail" vClass="rail"/>
<vType id="%strolleybus" vClass="bus"/>
<vType id="%saerialway" vClass="bus"/>
<vType id="%sferry" vClass="ship"/>""" % tuple([prefix]*9), file=fout)
def createTrips(options):
print("generating trips...")
stopsLanes = {}
for stop in sumolib.output.parse_fast(options.ptstops, 'busStop', ['id', 'lane']):
stopsLanes[stop.id] = stop.lane
trpMap = {}
with open(options.trips, 'w') as fouttrips:
sumolib.writeXMLHeader(
fouttrips, "$Id$", "routes")
writeTypes(fouttrips, options.vtypeprefix)
departTimes = [0 for line in sumolib.output.parse_fast(options.ptlines, 'ptLine', ['id'])]
if options.randomBegin:
departTimes = sorted([int(random.random() * options.period) for t in departTimes])
for trp_nr, line in enumerate(sumolib.output.parse(options.ptlines, 'ptLine')):
stop_ids = []
for stop in line.busStop:
if not stop.id in stopsLanes:
sys.stderr.write("Warning: skipping unknown stop '%s'\n" % stop.id)
continue
laneId = stopsLanes[stop.id]
try:
edge_id, lane_index = laneId.rsplit("_", 1)
except ValueError:
if options.ignoreErrors:
sys.stderr.write("Warning: ignoring stop '%s' on invalid lane '%s'\n" % (stop.id, laneId))
continue
else:
sys.exit("Invalid lane '%s' for stop '%s'" % (laneId, stop.id))
stop_ids.append(stop.id)
if options.types is not None and not line.type in options.types:
if options.verbose:
print("Skipping line '%s' because it has type '%s'\n" % (line.id, line.type))
continue
if len(stop_ids) < options.min_stops:
sys.stderr.write("Warning: skipping line '%s' because it has too few stops\n" % line.id)
continue
begin = departTimes[trp_nr]
if options.osmRoutes and line.route is not None:
edges = line.route[0].edges.split()
vias = ''
if len(edges) > 2:
vias = ' via="%s"' % (' '.join(edges[1:-1]))
fouttrips.write(
' <trip id="%s" type="%s%s" depart="%s" departLane="%s" from="%s" to="%s"%s>\n' % (
line.id, options.vtypeprefix, line.type, begin, 'best', edges[0], edges[-1], vias))
else:
if len(stop_ids) == 0:
sys.stderr.write("Warning: skipping line '%s' because it has no stops\n" % line.id)
continue
fr, _ = stopsLanes[stop_ids[0]].rsplit("_", 1)
to, _ = stopsLanes[stop_ids[-1]].rsplit("_", 1)
fouttrips.write(
' <trip id="%s" type="%s%s" depart="%s" departLane="%s" from="%s" to="%s">\n' % (
line.id, options.vtypeprefix, line.type, begin, 'best', fr, to))
trpMap[line.id] = (line.line.replace(" ", "_"), line.attr_name, line.completeness)
for stop in stop_ids:
fouttrips.write(' <stop busStop="%s" duration="%s"/>\n' % (stop, options.stopduration))
fouttrips.write(' </trip>\n')
fouttrips.write("</routes>\n")
print("done.")
return trpMap
def runSimulation(options):
print("running SUMO to determine actual departure times...")
subprocess.call([sumolib.checkBinary("sumo"),
"-n", options.netfile,
"-r", options.trips,
"--begin", str(options.begin),
"--no-step-log",
"--ignore-route-errors",
"--error-log", options.trips + ".errorlog",
"-a", options.ptstops,
"--vehroute-output", options.routes,
"--stop-output", options.stopinfos, ])
print("done.")
def createRoutes(options, trpMap):
print("creating routes...")
stopsUntil = {}
for stop in sumolib.output.parse_fast(options.stopinfos, 'stopinfo', ['id', 'ended', 'busStop']):
stopsUntil[(stop.id, stop.busStop)] = float(stop.ended)
with codecs.open(options.outfile, 'w', encoding="UTF8") as foutflows:
flows = []
actualDepart = {} # departure may be delayed when the edge is not yet empty
sumolib.writeXMLHeader(
foutflows, "$Id$", "routes")
if not options.novtypes:
writeTypes(foutflows, options.vtypeprefix)
for vehicle in sumolib.output.parse(options.routes, 'vehicle'):
id = vehicle.id
try:
if vehicle.route is not None:
edges = vehicle.route[0].edges
else:
edges = vehicle.routeDistribution[0].route[1].edges
except StandardError:
if options.ignoreErrors:
sys.stderr.write("Warning: Could not parse edges for vehicle '%s'\n" % id)
continue
else:
sys.exit("Could not parse edges for vehicle '%s'\n" % id)
flows.append((id, vehicle.type, float(vehicle.depart)))
actualDepart[id] = float(vehicle.depart)
parking = ' parking="true"' if vehicle.type == "bus" and options.busparking else ''
stops = vehicle.stop
foutflows.write(' <route id="%s" edges="%s" >\n' % (id, edges))
if vehicle.stop is not None:
for stop in stops:
if (id, stop.busStop) in stopsUntil:
untilZeroBased = stopsUntil[(id, stop.busStop)] - actualDepart[id]
foutflows.write(
' <stop busStop="%s" duration="%s" until="%s"%s/>\n' % (
stop.busStop, stop.duration, untilZeroBased, parking))
else:
sys.stderr.write("Warning: Missing stop '%s' for flow '%s'\n" % (stop.busStop, id))
else:
sys.stderr.write("Warning: No stops for flow '%s'\n" % id)
foutflows.write(' </route>\n')
lineCount = collections.defaultdict(int)
flow_duration = options.end - options.begin
for flow, type, begin in flows:
line, name, completeness = trpMap[flow]
lineRef = "%s:%s" % (line, lineCount[line])
lineCount[line] += 1
foutflows.write(' <flow id="%s_%s" type="%s" route="%s" begin="%s" end="%s" period="%s" line="%s" %s>\n' % (
type, lineRef, type, flow, begin, begin + flow_duration, options.period, lineRef, options.flowattrs))
foutflows.write(' <param key="name" value="%s"/>\n <param key="completeness" value="%s"/>\n </flow>\n' %
(escape(name), completeness))
foutflows.write('</routes>\n')
print("done.")
def main(options):
if options.seed:
random.seed(options.seed)
trpMap = createTrips(options)
runSimulation(options)
createRoutes(options, trpMap)
if __name__ == "__main__":
main(get_options())
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