Hello,

I wrote a little script but the traffic light does not switch to red when the 
car enters the entryExitDetector.

#!/usr/bin/env python
"""
@file    runner.py
@author  Daniel Krajzewicz
@author  Michael Behrisch
@date    2007-10-25
@version $Id: runner.py 14678 2013-09-11 08:53:06Z behrisch $

This script is a test runner for the "Hello SUMO" Tutorial.

SUMO, Simulation of Urban MObility; see http://sumo.sourceforge.net/
Copyright (C) 2008-2013 DLR (http://www.dlr.de/) and contributors

This file is part of SUMO.
SUMO is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
"""


import os,subprocess,sys,shutil
try:
    sys.path.append(os.path.join(os.path.dirname(__file__), '..', '..', '..', 
'..', "tools")) # tutorial in tests
    sys.path.append(os.path.join(os.environ.get("SUMO_HOME", 
os.path.join(os.path.dirname(__file__), "..", "..", "..")), "tools")) # 
tutorial in docs
    from sumolib import checkBinary
except ImportError:
    sys.exit("please declare environment variable 'SUMO_HOME' as the root 
directory of your sumo installation (it should contain folders 'bin', 'tools' 
and 'docs')")

import traci

PORT = 8813


RED = "r"
GREEN = "g"

PROGRAM = [RED, GREEN]

def generate_routefile():
    with open("hello.rou.xml", "w") as routes:
        print >> routes,"""<routes>
<vType accel="1.0" decel="5.0" id="Car" length="5.0" minGap="2.0" 
maxSpeed="50.0" sigma="0" />

<route id="route0" edges="1totraffic_light traffic_lightto2 out" />

<flow id="type1" color="1,1,1"  begin="0"   vehsPerHour="6" type="Car" 
route="route0"  >
   <stop busStop="BusStop1" duration="1000"/>
</flow>
"""

        print >> routes, "</routes>"

def run():
    traci.init(PORT)
    programPointer = len(PROGRAM)-1;
    step = 0;
    while traci.simulation.getMinExpectedNumber() > 0:
        traci.simulationStep()
        programPointer = min(programPointer+1, len(PROGRAM)-1)
        no = traci.multientryexit.getLastStepVehicleNumber("test")
        if no > 0:
            programPointer = (0 if programPointer == len(PROGRAM)-1 else 3)
        traci.trafficlights.setRedYellowGreenState("traffic_light", 
PROGRAM[programPointer])
        step += 1
    traci.close()
    sys.stdout.flush()


netconvertBinary = checkBinary('netconvert')
sumoBinary = checkBinary('sumo-gui')
# build/check network
retcode = subprocess.call([netconvertBinary, "-c", "hello.netccfg"], 
stdout=sys.stdout, stderr=sys.stderr)
try: shutil.copy("hello.net.xml", "net.net.xml")
except: print "Missing 'hello.net.xml'"
print ">> Netbuilding closed with status %s" % retcode
sys.stdout.flush()
# run simulation
generate_routefile()
retcode = subprocess.call([sumoBinary, "-c", "hello.sumocfg","--no-step-log"], 
stdout=sys.stdout, stderr=sys.stderr)
print ">> Simulation closed with status %s" % retcode
run()
sys.stdout.flush()

I used the “hello” tutorial to learn TraCI.

Can anybody see the problem?

Thanks and Merry Christmas,

Moritz


---------------------------------------------------------------
Moritz Schwarzkopf
International Intern
BBT-71, Plant Structure Development Dadong
BMW Brilliance Automotive Ltd. / 华晨宝马汽车有限公司
Mobile : +86 155 2447 2481
Mail to / 邮箱: 
[email protected]<mailto:[email protected]>
---------------------------------------------------------------

------------------------------------------------------------------------------
Rapidly troubleshoot problems before they affect your business. Most IT 
organizations don't have a clear picture of how application performance 
affects their revenue. With AppDynamics, you get 100% visibility into your 
Java,.NET, & PHP application. Start your 15-day FREE TRIAL of AppDynamics Pro!
http://pubads.g.doubleclick.net/gampad/clk?id=84349831&iu=/4140/ostg.clktrk
_______________________________________________
sumo-user mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/sumo-user

Reply via email to