Re: [sumo-user] Lane changing and car following models for connected and autonomous vehicles

2021-06-17 Thread MohamadReza-Haghani
Thank you for your response.



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Re: [sumo-user] A question about setSpeed command

2021-06-17 Thread MohamadReza-Haghani
Thank you for your kind response. That was a great help.



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[sumo-user] A question about setSpeed command

2021-06-15 Thread MohamadReza-Haghani
Hi,

I was wondering to know whether the setSpeed command sets the speed equal to
a value and makes sure that the speed is kept constant for the rest of the
simulation. I used this command in my simulation:

traci.vehicle.setSpeed(veh_id, traci.vehicle.getSpeed(veh_id) - 1)

I also used an IF statement before it to make sure the command is performed
just once. What I see in the simulation is that the speed of the vehicle is
reduced and it is kept eqaul to the initial speed minus one until the end of
the simulation. However, what I need is that the speed is reduced once and,
in the continuation, is calculated based on the SUMO's car following model.
I appreciate any help.

Regards,
Reza.



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[sumo-user] Lane changing and car following models for connected and autonomous vehicles

2021-06-01 Thread MohamadReza-Haghani
Hi,

I intend to simulate connected and autonomous vehicles in my simulation. I
was wondering to know whether I should use the default car following and
lane changing models for them or other models such as IDM.

Regards,
Reza.



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Re: [sumo-user] Change lane and move between other vehicles

2021-03-04 Thread MohamadReza-Haghani
Thanks Jakob. I appreciate for your help. It was really helpful.




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[sumo-user] Change lane and move between other vehicles

2021-03-03 Thread MohamadReza-Haghani
Hi,

I intend to write a code in TraCI to order a vehicle to change lane and move
to a free space between two specific vehicles in the target lane. I was
wondering to know what command is appropriate for this purpose. Using the
"changeLane" command, vehicles would change lane, but it is not guarantied
that the vehicle would move to a predefined space between other vehicles. I
appreciate in advance for your help.

Regards,
Reza.



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Re: [sumo-user] Driving between two opposing lane

2021-02-01 Thread MohamadReza-Haghani
I used the following code to do it, but it did not worked. Please find
attached all the supplementary files.

ezyzip_(3).zip

  



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Re: [sumo-user] Driving between two opposing lane

2021-02-01 Thread MohamadReza-Haghani
Thanks. Do you mean that I can use the "changesublane" command to make
vehicles move between two opposing lanes?



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[sumo-user] Driving between two opposing lane

2021-01-19 Thread MohamadReza-Haghani
Hi,

I have figured out that the movement of vehicles between two opposing lanes
(when a half of vehicle is in the first direction's lane and the other half
is in the other direction's lane) is impossible in SUMO. I was wondering to
know whether this option will be added to SUMO.

Regards,
Reza. 



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[sumo-user] SUMO rewind

2020-09-14 Thread MohamadReza-Haghani
Hi,

I was wondering to know whether there is a possibility in SUMO to rewind the
simulation.

Kind regards,
Reza.



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Re: [sumo-user] Lane change state

2020-09-09 Thread MohamadReza-Haghani
Thank you.



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Re: [sumo-user] Lane change state

2020-09-07 Thread MohamadReza-Haghani
I also found some new lane-changing states including 393216, 407684, 67108864
that I could not find the meaning. I would appreciate if you could help me
figure out their meaning.

Kind regards,
Reza.



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Re: [sumo-user] Lane change state

2020-09-07 Thread MohamadReza-Haghani
Thank you. I appreciate your guidance.



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Re: [sumo-user] Lane change state

2020-09-04 Thread MohamadReza-Haghani
Thank you for your information. I was wondering to know if there is any
limitation in forming the bit set. For instance, only one of the lane
changing motivations can be in the bit set or more than one of them can
occur at once. I also would like to know that urgent can only come with
strategic lane changing or it can be with other lane changing intentions
too. I would appreciate if you explain more about overlapping and I would
like to make sure when there is overlapping in the bit set, there should be
more than one lane changing intention. I also found two lane change states
of 0 and 1073741824 that I could not figure out the meaning. I appreciate
for your help in advance.

Thanks,
Reza.



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[sumo-user] Lane change state

2020-09-03 Thread MohamadReza-Haghani
Hi,

I was wondering to get the state of a vehicle with TraCI commands to see
whether the vehicle is in the middle of lane changing or not. I used
"getLaneChangeState" command. However, I did not understand the results of
this command. Based on the link
"https://sumo.dlr.de/docs/TraCI/Vehicle_Value_Retrieval.html#change_lane_information_0x13;,
the result should be a number between 2^0 to 2^15. But I got some numbers
out of 2^x. I would appreciate any help to clarify the results of this
command.

Kind regards,
Reza.



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Re: [sumo-user] Cooperative lane-changing

2020-09-03 Thread MohamadReza-Haghani
Thank you very much for your information. 



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Re: [sumo-user] Vertical movement of vehicles

2020-08-27 Thread MohamadReza-Haghani
Hi Chris,

Thank you for your guidance. I was wondering to know changing what parameter
in lane changing model will help me prevent that situation.

Best,
Reza.



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[sumo-user] Vertical movement of vehicles

2020-08-26 Thread MohamadReza-Haghani
Hi,

I have encountered some situations in the simulation in which vehicles move
vertically to change lane. This happens mostly in congested areas. I was
wondering to know how I can prevent it. Please find attached a recorded
video of this behavior.

Regards,
Reza.

ezyzip_(3).zip

  



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Re: [sumo-user] Cooperative lane-changing

2020-08-24 Thread MohamadReza-Haghani
I was wondering to know how I can adjust the cooperative lane changing or
create another cooperative lane-changing and speed adjustment to react to
failed TraCI lane change commands. I would like to know how I can find the
codes behind SUMO's cooperative lane-changing and speed adjustments.

Thanks,
Reza.



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Re: [sumo-user] Creating on-ramp

2020-08-24 Thread MohamadReza-Haghani
Thanks.



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[sumo-user] Creating on-ramp

2020-08-23 Thread MohamadReza-Haghani
Hi,

I intend to make a connection between a three-lane road segment to a
two-lane segment in order to create the merging point of a highway on-ramp.
However, the third lane of the first segment cannot make a connection to the
second segment. I was wondering to know how I can make this connection.
Please find attached a screenshot.

Best,
Reza.

 



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Re: [sumo-user] Problem with laneChange command in TraCI

2020-08-22 Thread MohamadReza-Haghani
I really appreciate your help. I set "lateral-resolution = lane Width", and
it worked as I expected.

Best,
Reza.



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Re: [sumo-user] Cooperative lane-changing

2020-08-22 Thread MohamadReza-Haghani
I was wondering to know whether vehicles perform cooperative lane-changing
only in reaction to failed strategic lane changes or any other lane change
type. I would to know if a vehicle is ordered by TraCI to do lane changing
and fails in performing it, other vehicles will do cooperative lane-changing
or speed adjustment to help it fulfill its order.

Thanks,
Reza.



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[sumo-user] Cooperative lane-changing

2020-08-19 Thread MohamadReza-Haghani
Hi,

I would like to know more about the details of cooperative lane-changing. I
read the article about lane-changing by Jakob (Erdmann, J., 2015. SUMO’s
lane-changing model. In Modeling Mobility with Open Data (pp. 105-123).
Springer, Cham.). However, it did not give details about cooperative
lane-changing. I was wondering to know how a vehicle recognize that another
vehicle intends to change its lane.



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Re: [sumo-user] Change the volume of traffic flows in TraCI

2020-08-19 Thread MohamadReza-Haghani
Thank you very much.



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Re: [sumo-user] Problem with laneChange command in TraCI

2020-08-19 Thread MohamadReza-Haghani
The same thing happened in my simulation, and vehicles did not brake to
prevent it. The width of a passenger car is 1.8 m, and the minGapLat was set
to 1.5 m. Therefore, when three vehicles move side by side in two lanes, the
min lateral gap was not observed. Please find attached a screenshot of this
situation. Also, the other issue is the min lateral gap is not considered
when a vehicle passes a stopped vehicle. This happens when some vehicles are
ordered by TraCI changeLane command to move to right lane and some vehicle
have already stopped in the right side of the right lane. They pass stopped
vehicles approximately with no lateral gap.

 



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Re: [sumo-user] Problem with laneChange command in TraCI

2020-08-18 Thread MohamadReza-Haghani
In the link that you sent, it was written "enforce lateral gaps by braking if
lateral evasion is not possible." I was wondering how this should be done.

Thanks,
Reza.



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Re: [sumo-user] Problem with laneChange command in TraCI

2020-08-17 Thread MohamadReza-Haghani
Thank you very much dear Jakob for your detailed answers. I did all your
solutions but did not get what I needed. The main problem is that min lat
gap is not observed. I set min lat gap to 1.8, but I still see that vehicles
come closer than this limit to each other. I was wondering to know whether
min lat gap should be observed in all driving states including lane changing
or it does not include lane changing.

Best,
Reza.



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Re: [sumo-user] Change the volume of traffic flows in TraCI

2020-08-16 Thread MohamadReza-Haghani
Thank you Jakob. I appreciate your solution. However, I have several flows
and want them to increase with different rates. 



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Re: [sumo-user] Problem with laneChange command in TraCI

2020-08-16 Thread MohamadReza-Haghani
Please find attached the required files. No, I did not change any vehicle
attribute before the lane change command. I was wondering if the lane
changing behavior of vehicles can be changed in a way that two vehicles do
not occupy the same lane at the same distance from the origin while using
sub-lane model.

Thanks,
Reza.

ezyzip_(3).zip

  



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Re: [sumo-user] Change the volume of traffic flows in TraCI

2020-08-13 Thread MohamadReza-Haghani
Dear Herald,

Could you explain more about the code you are proposing, please? I searched
about it and found nothing useful. 

Best,
Reza.



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Re: [sumo-user] Problem with laneChange command in TraCI

2020-08-13 Thread MohamadReza-Haghani
I used vehicle.changeLane. I want the vehicle to first change its lane. Then,
when the vehicle is in the right lane, I order it to change its sublane and
pull over to the right side of the lane. Please fine attached a screenshot
of my code here.

 



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Re: [sumo-user] Change the volume of traffic flows in TraCI

2020-08-03 Thread MohamadReza-Haghani
Thank you very much Herald and Jakob. I really appreciate for your help.



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Re: [sumo-user] The definition of time loss in tripinfo output

2020-08-03 Thread MohamadReza-Haghani
Thank you very much for your answer.



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[sumo-user] The definition of time loss in tripinfo output

2020-07-30 Thread MohamadReza-Haghani
Hi,

I utilized the "setSpeed" command in TraCI to set the speed of vehicles to
zero and back to the speed limit after a few seconds when a specific
condition becomes true. I was wondering to know whether the delay due to
this stop is included in the time loss of tripinfo output. I appreciate in
advance for any help.

Kind regards,
Reza.



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Re: [sumo-user] Change the volume of traffic flows in TraCI

2020-07-30 Thread MohamadReza-Haghani
Hi Giuliana,

Thank you. That was really a great help. I intend to use a random number for
volume in each run. I searched about that if a random number can be
generated in xml and found a command. However, it did not worked and gave
the following error in Python.

"Error: Attribute 'number' in definition of flow 'f1' is not of type int."

Do you know whether a random number can be generated in xml? Please find
attached a screenshot of the route file.

Best,
Reza.

 



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Re: [sumo-user] Change the volume of traffic flows in TraCI

2020-07-23 Thread MohamadReza-Haghani
Hi Giuliana,

Thank you very much for your answer. What I am trying to do is not changing
the traffic flow in the middle of simulation. I wrote a loop for running the
simulation several times that you can see it here. 

 


I was wondering to know is there any cmd command that I can add it in
"traci.start()" to change the traffic volume at the start of every
simulation.

Best,
Reza.



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[sumo-user] Change the volume of traffic flows in TraCI

2020-07-22 Thread MohamadReza-Haghani
Hi,

I am writing a code in TraCI module of Python. I was wondering to know
whether there is any way to change the traffic volume of a flow in TraCI. I
appreciate for any help.

Best,
Reza.



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Re: [sumo-user] Problem with laneChange command in TraCI

2020-07-19 Thread MohamadReza-Haghani
In order to make my modeling more close to reality I need to use the sublane
model. However, I was wondering to know if there is any way to force two
vehicles not to occupy the same lane in the same distance from the origin.
In this way, when a vehicle intends to change its lane, it does not trigger
lane changing while there is another vehicle in the target lane and in the
same distance form the origin. As you see in the attached image, the current
problem is that the yellow vehicle with white margin around it started
changing its lane too soon. Afterwards, when it found there is no open space
space in the right lane, it stopped. Thank you very much in advance.

Regards,
Reza.


 



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[sumo-user] Problem with laneChange command in TraCI

2020-07-18 Thread MohamadReza-Haghani
Hi,

I am using laneChange command in TraCI to force a vehicle to change its
lane. The lane changing works well except when the target lane is congested.
It seems that the vehicle starts changing its lane first and when it finds
out that there is no open space in the target lane, it stops in the middle
of two lanes. I was wondering to know whether there is a way to add an if
statement in TraCI to check the open spaces in the target lane firstly and
if there was none, the vehicle continues going in the current lane until an
open space is found. I appreciate your help in advance.

Regards,
Reza.



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[sumo-user] Problem in Set Lateral Alignment in TraCI

2020-07-15 Thread MohamadReza-Haghani
Hi,

I wrote a code, in TraCI, in order to make vehicles to pull over and stop in
a two-lane one-way road and in a specified duration. For the vehicles moving
in the right lane, the lateral alignment is set to "right," and the speed is
set to 0. Also vehicles in the left lane are forced to change lane to the
right lane. When the code is running, the vehicles on the right lane pull
over to the right side of the lane and stop. The vehicles on the left lane
change their lanes but stop in the left side of the right lane. I checked
their lateral alignment. Although it is set to "right", they stop in the
left side. Please find attached a screenshot of the code and other required
files. Any help would be appreciated.

Thanks,
Reza.


 

ezyzip.zip
  



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Re: [sumo-user] Problem with xml2csv.py

2020-07-14 Thread MohamadReza-Haghani
Thank you very much Harald. I added "--separator=','", and the output csv
file became in the correct format. I really appreciate your help.
-Reza



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Re: [sumo-user] Problem with xml2csv.py

2020-07-13 Thread MohamadReza-Haghani
Thanks. I did accordingly and installed lxml. Now when I run the command
"python xml2csv.py tripinfo.xml --xsd=tripinfo.xsd --validation," it does
not show any error. However, the same problem still exists that all of the
attributes for a vehicle are in a single cell in the csv file. I would like
to know why schema did not work. Please find attached the used files.
-Reza

ezyzip.zip
  



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Re: [sumo-user] Problem with xml2csv.py

2020-07-13 Thread MohamadReza-Haghani
Thank you very much. I moved their folder to another address with permission
to write and got the output. However, different attributes were in a single
cell in the output csv file. Therefore, I added an schema
(https://github.com/eclipse/sumo/blob/master/data/xsd/fcd_file.xsd) in xsd
format to get each attribute in a different column. I got the same results
again. Then, I added "--validation" to figure out where is the problem. I
also installed lxml with "git clone https://github.com/lxml/lxml.git lxml"
command but when I run the command "python xml2csv.py fcd.xml --xsd=fcd.xsd
--validation," I get the following message.

"lxml not available, skipping validation"



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[sumo-user] Question

2020-04-28 Thread Mohamadreza Haghani
Hi all,

I intend to perform simulation in sub-lane model. I was wondering to know
whether there is a way to make vehicles drive in specific sub-lanes. For
instance, making a vehicle to drive in rightmost sub-lanes.

Thanks,
Reza.
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