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#!/usr/bin/env python
"""
@file runner.py
@author Lena Kalleske
@author Daniel Krajzewicz
@author Michael Behrisch
@date 2009-03-26
@version $Id: runner.py 11671 2012-01-07 20:14:30Z behrisch $
Tutorial for traffic light control via the TraCI interface.
SUMO, Simulation of Urban MObility; see http://sumo.sourceforge.net/
Copyright (C) 2009-2012 DLR/TS, Germany
All rights reserved
"""
import os, subprocess, sys, random
sys.path.append(os.path.join(os.path.dirname(__file__), '..', '..', '..', '..', 'tools'))
sys.path.append(os.path.join(os.environ.get("SUMO_HOME", os.path.join(os.path.dirname(__file__), '..', '..', '..')), 'tools'))
from sumolib import checkBinary
import traci
PORT = 8813
NSGREEN = "GrGr"
NSYELLOW = "yryr"
WEGREEN = "rGrG"
WEYELLOW = "ryry"
PROGRAM = [WEYELLOW,WEYELLOW,WEYELLOW,NSGREEN,NSGREEN,NSGREEN,NSGREEN,NSGREEN,NSGREEN,NSGREEN,NSGREEN,NSYELLOW,NSYELLOW,WEGREEN]
if not traci.isEmbedded():
N = 9000
pWE = 1./10
pEW = 1./11
pNS = 1./30
routes = open("data/cross.rou.xml", "w")
print >> routes, """<routes>
<vType id="typeWE" accel="0.8" decel="4.5" sigma="0.5" length="5" minGap="2.5" maxSpeed="16.67" guiShape="passenger"/>
<vType id="typeNS" accel="0.8" decel="4.5" sigma="0.5" length="17" minGap="3" maxSpeed="25" guiShape="bus"/>
<route id="right" edges="51o 1i 2o 52i" />
<route id="left" edges="52o 2i 1o 51i" />
<route id="down" edges="54o 4i 3o 53i" />"""
lastVeh = 0
vehNr = 0
for i in range(N):
if random.uniform(0,1) < pWE:
print >> routes, ' <vehicle id="%i" type="typeWE" route="right" depart="%i" />' % (vehNr, i)
vehNr += 1
lastVeh = i
if random.uniform(0,1) < pEW:
print >> routes, ' <vehicle id="%i" type="typeWE" route="left" depart="%i" />' % (vehNr, i)
vehNr += 1
lastVeh = i
if random.uniform(0,1) < pNS:
print >> routes, ' <vehicle id="%i" type="typeNS" route="down" depart="%i" color="1,0,0"/>' % (vehNr, i)
vehNr += 1
lastVeh = i
print >> routes, "</routes>"
routes.close()
sumoBinary = checkBinary('sumo')
sumoConfig = "data/cross.sumocfg"
if len(sys.argv) > 1:
retCode = subprocess.call("%s -c %s --python-script %s" % (sumoBinary, sumoConfig, __file__), shell=True, stdout=sys.stdout)
sys.exit(retCode)
else:
sumoProcess = subprocess.Popen("%s -c %s" % (sumoBinary, sumoConfig), shell=True, stdout=sys.stdout)
traci.init(PORT)
programPointer = len(PROGRAM)-1
step = 0
while step == 0 or traci.simulation.getMinExpectedNumber() > 0:
traci.simulationStep()
programPointer = min(programPointer+1, len(PROGRAM)-1)
no = traci.inductionloop.getLastStepVehicleNumber("0")
if no > 0:
programPointer = (0 if programPointer == len(PROGRAM)-1 else 3)
traci.trafficlights.setRedYellowGreenState("0", PROGRAM[programPointer])
step += 1
traci.close()
sys.stdout.flush()
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