subscription to the leader currently works with the dedicated function traci.vehicle.subscribeLeader. For all other functions, this is not yet working.
see https://github.com/eclipse/sumo/issues/7648 Am Fr., 2. Okt. 2020 um 17:57 Uhr schrieb Marcelo Andrade Rodrigues D Almeida <[email protected]>: > Hi Giuliana > > Thank you for your response and sorry for the delay of my reply > > I built a simple test case to illustrate the current problem (example.py) > > In the example, these variables are tested and the problem only occurs > when including 'VAR_LEADER', 'VAR_SECURE_GAP' or both > vehicle_variables_to_subscribe = [ > 'VAR_SPEED', > 'VAR_WAITING_TIME', > > #'VAR_LEADER', # Problems with subscription > #'VAR_SECURE_GAP', # Problems with subscription > ] > > The response error is the following > "Error: Storage::readChar(): invalid positioncles TOT 1 ACT 1 BUF 0)" > > > Sincerely, > > Marcelo d'Almeida > > On Sat, Sep 19, 2020 at 8:39 PM <[email protected]> wrote: > >> Hi Marcelo, >> >> >> >> I will copy Jakob's answer to someone who had a similar problem a few >> days ago. Maybe it will help you J >> >> >> >> “The _socket gets removed in either of two cases: >> >> - after calling traci.close() >> >> - after receiving a FatalTraCIError "connection closed by SUMO" which can >> happen if the input data to sumo is faulty or sumo has crashed >> >> If it happens to be the latter with the latest sumo release (1.7.0), >> please try to boil down your code to a simple test case and provide the >> necessary files for reproducing the crash.” >> >> >> >> Regards, >> >> Giuliana >> >> >> >> *From:* [email protected] [mailto: >> [email protected]] *On Behalf Of *Marcelo Andrade Rodrigues >> D Almeida >> *Sent:* Samstag, 19. September 2020 21:10 >> *To:* Sumo project User discussions >> *Subject:* [sumo-user] 'Extended retrieval messages' info subscription >> >> >> >> Hi everyone >> >> >> >> How can I subscribe to retrieve 'Extended retrieval messages' information >> (e.g. vehicle leader and secureGap) >> >> >> >> Everytime I include these I receive the following error message >> >> >> >> [...] >> >> #"VAR_LEADER", >> #"VAR_SECURE_GAP", >> >> [...] >> >> >> >> "Traceback (most recent call last): >> File "<string>", line 1, in <module> >> File "/usr/share/sumo/tools/traci/domain.py", line 208, in subscribe >> self._connection._subscribe(self._subscribeID, begin, end, objectID, >> varIDs) >> File "/usr/share/sumo/tools/traci/connection.py", line 231, in >> _subscribe >> result = self._sendCmd(cmdID, (begin, end), objID, format, *args) >> File "/usr/share/sumo/tools/traci/connection.py", line 178, in _sendCmd >> return self._sendExact() >> File "/usr/share/sumo/tools/traci/connection.py", line 83, in _sendExact >> self._socket.send(length + self._string) >> AttributeError: 'Connection' object has no attribute '_socket' >> >> " >> >> >> >> Thank you in advance >> >> >> >> Sincerely, >> >> >> >> Marcelo d'Almeida >> _______________________________________________ >> sumo-user mailing list >> [email protected] >> To unsubscribe from this list, visit >> https://www.eclipse.org/mailman/listinfo/sumo-user >> > _______________________________________________ > sumo-user mailing list > [email protected] > To unsubscribe from this list, visit > https://www.eclipse.org/mailman/listinfo/sumo-user >
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