The phenomena persists even with the given route file and without the use
of --random.
I tried to get the log file by adding traceFile=<filepath> argument to
traci.start but I got this error when running my python script:
TypeError: start() got an unexpected keyword argument 'traceFile'
There could be issues to how I installed sumo so I check with my sumo
imports in my python script which are:
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'")
# sys.path.append('/home/abi/Desktop/hdd/sumo/sumo/tools')
from sumolib import checkBinary # noqa
import traci
looking at the output of print(traci.__file__) after the import leads
me to my anaconda environment at
/anaconda3/envs/envname/lib/python3.7/site-packages/traci/__init__.py
where the definition for start is:
def start(cmd, port=None, numRetries=10, label="default"):
"""
Start a sumo server using cmd, establish a connection to it and
store it under the given label. This method is not thread-safe.
"""
if port is None:
port = sumolib.miscutils.getFreeSocketPort()
sumoProcess = subprocess.Popen(cmd + ["--remote-port", str(port)])
_connections[label] = connect(port, numRetries, "localhost", sumoProcess)
switch(label)
return getVersion()
However digging deeper, I found a start definition in main.py at my
'/usr/share/sumo/tools/traci' folder which contains the traceFile
argument. So I would like to know if the correct traci is imported
here
Thank you
On Wed, Mar 3, 2021 at 4:15 PM Jakob Erdmann <[email protected]> wrote:
> Unfortunately, these items are insufficient to replicate the situation
> from your screenshot (it shows 4 vehicles wheres the route file only
> defines 3 vehicles).
> Also, the use of option "--random" precludes exact reproducibility.
> - can you provide the complete traci script or alterantively, a log of the
> issued traci commands? (
> https://sumo.dlr.de/docs/TraCI/Interfacing_TraCI_from_Python.html#generating_a_log_of_all_traci_commands
> )
> - can you provide a --seed value that shows the situation (or reproduce it
> without the use of --random)?
>
> Am Mi., 3. März 2021 um 02:19 Uhr schrieb A Raman <[email protected]>:
>
>> Thank you for the response,
>>
>> You can find the traffic definition file attached. I did use traci for my
>> tests and traci.start() is run with the configuration:
>>
>> traci.start([
>> self._sumo_bin,
>> '-n', self._net,
>> '-r', self._route,
>> '--step-length', '0.1',
>> '--no-warnings', 'true',
>> '--collision.action', 'warn',
>> '--collision.check-junctions', 'true',
>> '--max-depart-delay', '0.2',
>> '--random', 'true'
>> ])
>>
>>
>> with the attached files as self._net and self._route
>>
>>
>> On Wed, Mar 3, 2021 at 2:57 AM Jakob Erdmann <[email protected]>
>> wrote:
>>
>>> Please attach the traffic definition (.rou.xml) and post all options
>>> used to run sumo (or attach the .sumocfg).
>>> Did you use traci in your test?
>>>
>>> Am Di., 2. März 2021 um 13:10 Uhr schrieb A Raman <[email protected]
>>> >:
>>>
>>>> Hello,
>>>>
>>>> I found that, while testing intersection behaviours in SUMO in my
>>>> network, the yellow vehicles in the west-side lane always stop in the
>>>> intersection area and not at the end of the lane edge. In my attached
>>>> image, the east-side lane vehicle seems to stop correctly at the edge of
>>>> the lane at position (8, 2) while the west-side lane vehicles always stop
>>>> at around (~-4, -2). I tested this by manually entering the blue vehicle
>>>> into the intersection area and initializing the incoming yellow vehicles at
>>>> different times to have ample braking distance once the blue vehicle
>>>> enters.
>>>>
>>>> It doesn't seem like any of the documented reasons for this to happen
>>>> is the cause so I would like to know what exactly do I need to change so
>>>> that the bottom lane vehicle stops at the proper position. I've tried
>>>> changing the stop offset properties for the lane in the network file which
>>>> does not affect things. The current vehicle type configuration is at
>>>> default and you can also find my network file attached.
>>>>
>>>> Thank you very much in advance
>>>> _______________________________________________
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>>>>
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