Re: [sumo-user] traffic states

[Aristide BAMAZI]

Thanks very much

Le mer. 15 juil. 2020 à 10:57,  a écrit :

> Hi,
>
>
>
> you could use the „tls switches“ output. See
> https://sumo.dlr.de/docs/Simulation/Output/Traffic_Lights.html#tls_switches
> .
>
>
>
> Here you can find more information about Traffic Lights outputs:
>
> https://sumo.dlr.de/docs/Simulation/Output/Traffic_Lights.html
>
> And here are some Traffic Lights tools:
>
> https://sumo.dlr.de/docs/Tools/tls.html#tlscoordinatorpy
>
>
>
> Regards,
>
> Giuliana
>
>
>
> *From:* sumo-user-boun...@eclipse.org [mailto:
> sumo-user-boun...@eclipse.org] *On Behalf Of *Aristide BAMAZI
> *Sent:* Dienstag, 14. Juli 2020 20:11
> *To:* Sumo project User discussions
> *Subject:* [sumo-user] traffic states
>
>
>
> Hello everybody. Want to know whether there is a way to know when each
> traffic light turns to green with sumo  without using the presenting phase
> duration?
>
>
>
> Best regards.
>
>
>
>
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[sumo-user] Understanding dfrouter

[Issa, Joshua]

Hello,

I am trying to use dfrouter to create routes for trains. Although the SUMO 
simulation will run, no vehicle runs on the tracks. I have used the following 
dfrouter command:
[cid:image001.png@01D65AD2.8BFD3EB0]

It creates the files without issue. I have tried the  and 
 tags, but neither have worked.
[cid:image002.png@01D65AD2.8BFD3EB0]
What am I missing?

Thank you
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[sumo-user] Phase time extension with TraCI.

[Aristide BAMAZI]

# *Question* :
Want to know if it is possible to set a new duration to phase when running
the simulation with TraCI.
# *What I have tried*
I have  tried the method traci.trafficlight.setPhaseDuration(tls,
duration). but it seems not to perform what I want.

Best Regards.
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[sumo-user] Problem in Set Lateral Alignment in TraCI

[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] Traffic simulation for a month

[Tripplanner Mumbai]

Hello,
Let us assume that a machine with sufficient computing power is available.

Now, there are two bare minimum input files for the simulation (1)
city.net.xml - contains the structure of the underlying network  (2)
city.rou.xml - contains the vehicles and respective routes (paths) and
possibly schedule.

Do you mean that we should have separate files of (1) and (2) for each day
of the month?

thanks and regards,
Dillip Rout




On Wed, 15 Jul 2020 at 11:56, Michael Behrisch  wrote:

> Hi,
> if you have the input data it only requires enough computing power (or
> patience ;-). Nothing stops you from running sumo for a month or more.
>
> Best regards,
> Michael
>
> Am 15.07.20 um 06:55 schrieb Tripplanner Mumbai:
> > Hello,
> >
> > SUMO is pretty nice in simulating traffic and getting the relevant
> > parameters given a scenario including traffic and network. However,
> > these simulations are only for a short period of time or a day.
> > What more is required to simulate the traffic movement for a month? Note
> > that the traffic pattern differs from day to day, e.g., weekends will
> > have less traffic as compared to weekdays. Hence, we will get different
> > kinds of simulations on weekends. Mostly, I am looking to extract a
> > network from OSM through the interface provided by SUMO.
> >
> > thanks and regards,
> > Dillip Rout
> >
> > ___
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> https://www.eclipse.org/mailman/listinfo/sumo-user
> >
>
>
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Re: [sumo-user] Reouter: Can it be used to run vehicles multiple times along a same route?

[Melanie.Weber]

Hey PSK,

there are two more options, so maybe they also can solve the problem:
flow: 
https://sumo.dlr.de/docs/Definition_of_Vehicles,_Vehicle_Types,_and_Routes.html#repeated_vehicles_flows
route repeat:  
https://sumo.dlr.de/docs/Definition_of_Vehicles,_Vehicle_Types,_and_Routes.html#routes

regards,
Melanie

Von: sumo-user-boun...@eclipse.org [mailto:sumo-user-boun...@eclipse.org] Im 
Auftrag von Padisala, Shanthan Kumar
Gesendet: Dienstag, 14. Juli 2020 19:29
An: Sumo project User discussions
Betreff: [sumo-user] Reouter: Can it be used to run vehicles multiple times 
along a same route?

Hello Everyone!

I am trying to run a simulation in which I would like to run a vehicle in a 
certain loop multiple times. I have attached the image of the route file I am 
currently using. I have manually defined the path of my vehicle from point A to 
point B along the blue lines, as shown in the image attached. Now, after 
reaching point B, can I use rerouters (if possible via TraCI) to send the 
vehicle again along the same path A to B?

If yes, can I have the link to get ideas on solving this problem?

Thanks and Regards,
PSK

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Re: [sumo-user] How to make a vehicle to enter the network, multiple times after exiting the network.

[Michael Behrisch]

Hi,
the question has already been answered here:
https://www.eclipse.org/lists/sumo-user/msg07307.html

Best regards,
Michael

Am 13.07.20 um 19:11 schrieb Padisala, Shanthan Kumar:
> Hi everyone,
> 
> I am trying to insert a vehicle using TraCI, but I want this vehicle to
> re-enter the Network, after some time after it exits (a predefined path
> from lane A to lane B through multiple other lanes in between is fixed)
> the network. May I know how to create such a network?
> I am trying to log data from this vehicle, but as soon as it exitst the
> network, the simulation is automatically ending, by giving me no option
> to make this vehicle re-enter the network.
> 
> Thanks,
> PSK
> 
> 
> 
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Re: [sumo-user] Traffic simulation for a month

[Michael Behrisch]

Hi,
if you have the input data it only requires enough computing power (or
patience ;-). Nothing stops you from running sumo for a month or more.

Best regards,
Michael

Am 15.07.20 um 06:55 schrieb Tripplanner Mumbai:
> Hello,
> 
> SUMO is pretty nice in simulating traffic and getting the relevant
> parameters given a scenario including traffic and network. However,
> these simulations are only for a short period of time or a day.
> What more is required to simulate the traffic movement for a month? Note
> that the traffic pattern differs from day to day, e.g., weekends will
> have less traffic as compared to weekdays. Hence, we will get different
> kinds of simulations on weekends. Mostly, I am looking to extract a
> network from OSM through the interface provided by SUMO.
> 
> thanks and regards,
> Dillip Rout
> 
> ___
> sumo-user mailing list
> sumo-user@eclipse.org
> To unsubscribe from this list, visit 
> https://www.eclipse.org/mailman/listinfo/sumo-user
> 




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Re: [sumo-user] lcCooperativeSpeed

[Michael Behrisch]

Hi,
the parameter describes how much a vehicle adjusts its speed for the
lane change wishes of others. There are two speeds involved here, my own
wished speed v and the wish of the driver who wants to change into my
lane and wants me to for instance reduce my speed to w. sumo does a
linear interpolation between these two values, so the resulting speed
V = (1 - l) * v + l * w, where l is the lcCooperativeSpeed parameter.
For the default value l = 1 the vehicle will always choose the speed the
other vehicle wants. The smaller l, the less the speed will be reduced.

Best regards,
Michael

Am 09.07.20 um 09:29 schrieb Ishan Dindorkar:
> Hello Team -
> 
> I am looking into this parameter for lane changing model, known as
> lcCooperativeSpeed. Unfortunately, I couldn't get much help in
> understanding from the documentation. Could you please explain the
> purpose and it would be great if you could please give an example of
> scenario in which this parameter can be used.
> 
> Thank you.
> 
> Sincerely,
> Ishan Dindorkar
> 
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Re: [sumo-user] Traci's moveToXY cause collision

[Michael Behrisch]

Hi,
if you move the vehicles so close that their bounding rectangles
overlap, sumo will always detect a collision. The only way to prevent
this is currently to disable collision detection
https://sumo.dlr.de/docs/Simulation/Safety.html#collisions.

Best regards,
Michael


Am 14.07.20 um 06:24 schrieb 謝昀宸:
> I want to let moto avoid vehicle parked on the road by a small margin,
> instead of using the ChangeLane
> 
> I recorded the lane position of on-road parking so that the subsequent
> moto can avoid the on-road parking laterally a few meters ago
> 
> Using Traci's moveToXY (traci.vehicle.moveToXY(veh, edge, lane, x, y +
> 2, angle=tc.INVALID_DOUBLE_VALUE,keepRoute=2), it can be seen in the
> simulator that moto has avoided, but the next second shows that a
> collision has occurred
> 
> How can I  solve this problem?
> 
> Many thanks,
> Yun
> 
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Re: [sumo-user] lcCooperativeSpeed

[Ishan Dindorkar]

Thank you Michael for detailed explanation. It is very helpful. I appreciate it.

Sincerely,
Ishan Dindorkar

Sent from my iPhone

> On 15-Jul-2020, at 11:46 AM, Michael Behrisch  wrote:
> 
> Hi,
> the parameter describes how much a vehicle adjusts its speed for the
> lane change wishes of others. There are two speeds involved here, my own
> wished speed v and the wish of the driver who wants to change into my
> lane and wants me to for instance reduce my speed to w. sumo does a
> linear interpolation between these two values, so the resulting speed
> V = (1 - l) * v + l * w, where l is the lcCooperativeSpeed parameter.
> For the default value l = 1 the vehicle will always choose the speed the
> other vehicle wants. The smaller l, the less the speed will be reduced.
> 
> Best regards,
> Michael
> 
>> Am 09.07.20 um 09:29 schrieb Ishan Dindorkar:
>> Hello Team -
>> 
>> I am looking into this parameter for lane changing model, known as
>> lcCooperativeSpeed. Unfortunately, I couldn't get much help in
>> understanding from the documentation. Could you please explain the
>> purpose and it would be great if you could please give an example of
>> scenario in which this parameter can be used.
>> 
>> Thank you.
>> 
>> Sincerely,
>> Ishan Dindorkar
>> 
>> ___
>> sumo-user mailing list
>> sumo-user@eclipse.org
>> To unsubscribe from this list, visit 
>> https://www.eclipse.org/mailman/listinfo/sumo-user
>> 
> 
> 
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Re: [sumo-user] Disconnected plan for person "0"

[Maria.Armellini]

Hi Tonmoy,

I think there is no possibility to do this with the command line, you have to 
add the device parameters manually. You could assign the device by global 
options, but I think that’s not what you are looking for (see 
https://sumo.dlr.de/docs/Definition_of_Vehicles,_Vehicle_Types,_and_Routes.html#devices).

There is an important difference between VType/VClass Taxi and the Taxi Device:


The Taxi Device (see https://sumo.dlr.de/docs/Simulation/Taxi.html) simulates 
demand responsive transport (DRT) and you can add this device to any vehicle. 
This allows a fleet of taxis to serve customer requests based on a configurable 
dispatch algorithm. So you don’t have to define trips for these vehicles, the 
algorithm will do this for you. This line ““ is used to keep the taxi waiting at the given lane until 
the first dispatch is received. No more stops need to be added.

If you are looking for a vehicle that makes a specific route and stops to pick 
up passengers, then you don’t need to use a Taxi device. You can just add stops 
to the route or vehicle. See 
https://sumo.dlr.de/docs/Definition_of_Vehicles,_Vehicle_Types,_and_Routes.html#stops.

Regards,
Giuliana

From: sumo-user-boun...@eclipse.org [mailto:sumo-user-boun...@eclipse.org] On 
Behalf Of Tonmoy Das
Sent: Dienstag, 14. Juli 2020 14:40
To: Sumo project User discussions
Subject: Re: [sumo-user] Disconnected plan for person "0"

Hello Giuliana,

Thanks for the fast reply.

I wanted to know how to add the param keys in the trip files.





Normally I use the lower command to generate 10 taxi trips. But I am missing 
the param keys to keep the taxi's in the simulation. And also how to add stop 
lanes for different taxi trips? Do I have to add them manually?

randomTrips.py -n gnet.net.xml -o taxitrips.rou.xml 
--trip-attributes="modes=\"taxi\" triggered=\"person\"" --vehicle-class taxi -e 
10

Regards,
Tonmoy

On Tue, 14 Jul 2020, 1:18 pm , 
mailto:maria.armell...@dlr.de>> wrote:
Hi Tomoy,

Happy to help ☺
By command line? If you mean adding more taxis with different stops in the 
simulation, you can just add more trips with different IDs. For example:















Regards,

Giuliana


From: sumo-user-boun...@eclipse.org 
[mailto:sumo-user-boun...@eclipse.org] On 
Behalf Of Tonmoy Das
Sent: Dienstag, 14. Juli 2020 12:20
To: Sumo project User discussions
Subject: Re: [sumo-user] Disconnected plan for person "0"

Hi Giuliana,

Thanks a lot for the solution.

I have one more inquiry, For multiple taxis how can I add this parameter with 
different stop edges by command line?















On Tue, 14 Jul 2020, 9:23 am , 
mailto:maria.armell...@dlr.de>> wrote:
Hi Tomoy,

You are getting the error "Error: Disconnected plan for person '0' (edge 'C4C3' 
!= edge 'B1B2')" because you are saying that the person has to ride with 
vehicle 0_0 from 'C4C3' to 'B1B2' and then again from 'C4C3' to 'B1B2' with a 
taxi, so how does the person get back from 'B1B2' to 'C4C3'?

You can make the return trip by taxi:

  




Or you can say that the person should walk to the start edge again and then 
take a taxi:







If you choose this option, you will have to add the pedestrian crossings to 
your net 
(https://sumo.dlr.de/docs/Simulation/Pedestrians.html#generating_a_network_with_crossings_and_walkingareas).
 This can be done using netconvert with the following command:
netconvert -s gnet.net.xml --crossings.guess -o gnet.net.xml

I don’t understand why you define fixed routes for the taxis. If you are trying 
to simulate an on demand/ride hailing service this is not necessary. You can 
just give the first edge, from where the taxi will wait for a request:









Regards,
Giuliana


From: sumo-user-boun...@eclipse.org 
[mailto:sumo-user-boun...@eclipse.org] On 
Behalf Of Tonmoy Das
Sent: Montag, 13. Juli 2020 19:26
To: sumo-user@eclipse.org
Subject: [sumo-user] Disconnected plan for person "0"

Hello Everyone,

I have been trying to get intermodal routing PERSONTRIPS using different 
combination of modes=car taxi or taxi car, even after using explicitly defined 
taxi lines, I am still getting "Disconnected plan for person "0".

what should I do to solve this problem?

Thanks in advance.

P.S. I have attached the files in here.


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Re: [sumo-user] traffic states

[Maria.Armellini]

Hi,

you could use the „tls switches“ output. See  
https://sumo.dlr.de/docs/Simulation/Output/Traffic_Lights.html#tls_switches.

Here you can find more information about Traffic Lights outputs:
https://sumo.dlr.de/docs/Simulation/Output/Traffic_Lights.html
And here are some Traffic Lights tools:
https://sumo.dlr.de/docs/Tools/tls.html#tlscoordinatorpy

Regards,
Giuliana

From: sumo-user-boun...@eclipse.org [mailto:sumo-user-boun...@eclipse.org] On 
Behalf Of Aristide BAMAZI
Sent: Dienstag, 14. Juli 2020 20:11
To: Sumo project User discussions
Subject: [sumo-user] traffic states

Hello everybody. Want to know whether there is a way to know when each traffic 
light turns to green with sumo  without using the presenting phase duration?

Best regards.


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Re: [sumo-user] Warm up section

[Solmaz Razmi Rad - CITG]

Dear Michael,

Thanks for your kind response. I used an induction loop to control the traffic 
intensity during the exact time interval. For the output, I simply excluded the 
results outside the warm-up time interval.

Regards,
Solmaz

-Original Message-
From: sumo-user-boun...@eclipse.org  On Behalf 
Of Michael Behrisch
Sent: vrijdag 10 juli 2020 14:13
To: sumo-user@eclipse.org
Subject: Re: [sumo-user] Warm up section

Hi,
it depends a little on the data you need. If you need individual vehicle data, 
you could use vehicle route output 
https://sumo.dlr.de/docs/Simulation/Output/VehRoutes.html with exit times which 
will tell you when the vehicle entered the second edge. For aggregated measures 
look at edge data 
https://sumo.dlr.de/docs/Simulation/Output/Lane-_or_Edge-based_Traffic_Measures.html
or multi-entry-exit detectors
https://sumo.dlr.de/docs/Simulation/Output/Multi-Entry-Exit_Detectors_(E3).html

In general have a look at https://sumo.dlr.de/docs/Simulation/Output.html

Best regards,
Michael

Am 09.07.20 um 13:36 schrieb Solmaz Razmi Rad - CITG:
> Hi all,
> 
>  
> 
> I wonder if there is any way to exclude edge(s) from tripinfo output 
> file. In my simulation, I'd like to use the first edge of the network 
> (highlighted in the attached picture) as a warm-up section. So, 
> vehicles start from the beginning of the network, but travel time and 
> other measures should be calculated from the second edge.
> 
> Do you have any advice in this regard?
> 
>  
> 
> Bests,
> 
> Solmaz
> 
>  
> 
> 
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Re: [sumo-user] Traffic simulation for a month

[Michael Behrisch]

Hi,
it is entirely up to you how you organize the files. I would expect the
network to be quite stable so there is no need for several network
files. You can also put all routes in one file but if you need fast
access to a specific day or even hour or want to do parallel simulations
of different time periods you should split the route files according to
that requirement. But this is not enforced it is just optimization.

Best regards,
Michael

Am 15.07.20 um 09:14 schrieb Tripplanner Mumbai:
> Hello,
> Let us assume that a machine with sufficient computing power is available.
> 
> Now, there are two bare minimum input files for the simulation (1)
> city.net.xml - contains the structure of the underlying network  (2)
> city.rou.xml - contains the vehicles and respective routes (paths) and
> possibly schedule.
> 
> Do you mean that we should have separate files of (1) and (2) for each
> day of the month?
> 
> thanks and regards,
> Dillip Rout
> 
> 
> 
> 
> On Wed, 15 Jul 2020 at 11:56, Michael Behrisch  > wrote:
> 
> Hi,
> if you have the input data it only requires enough computing power (or
> patience ;-). Nothing stops you from running sumo for a month or more.
> 
> Best regards,
> Michael
> 
> Am 15.07.20 um 06:55 schrieb Tripplanner Mumbai:
> > Hello,
> >
> > SUMO is pretty nice in simulating traffic and getting the relevant
> > parameters given a scenario including traffic and network. However,
> > these simulations are only for a short period of time or a day.
> > What more is required to simulate the traffic movement for a
> month? Note
> > that the traffic pattern differs from day to day, e.g., weekends will
> > have less traffic as compared to weekdays. Hence, we will get
> different
> > kinds of simulations on weekends. Mostly, I am looking to extract a
> > network from OSM through the interface provided by SUMO.
> >
> > thanks and regards,
> > Dillip Rout
> >
> > ___
> > sumo-user mailing list
> > sumo-user@eclipse.org 
> > To unsubscribe from this list, visit
> https://www.eclipse.org/mailman/listinfo/sumo-user
> >
> 
> 
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> 
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[sumo-user] Braking for turns

[Zev Nicolai-Scanio]

Hi,

I’m working on my first major SUMO project and I read in the NETEDIT 
instructions that the speeds on turns will be reduced based upon the radius. 
I’m interested in one detail about how cars brake when there is a speed limit 
for a turn that is lower than that of the main road. Do they brake while they 
are in the turn or do they brake right before the turn. Also when they brake do 
they brake at the max deceleration? I’m trying to make some calculations using 
Newtonian mechanics to calculate the times that cars get to certain points and 
I want to make sure I am modeling the situation correctly.

Thank you very much!
Best,
Zev
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[sumo-user] setSpeed acceleration/deceleration

[Zev Nicolai-Scanio]

Hi,

I’m interested in the details of how the setSpeed function in TraCI 
accelerates/decelerates a given vehicle to the target speed. Is this done 
uniformly at the max acceleration / deceleration or is there some other 
acceleration / deceleration curve used?

Thank you!

Best,
Zev
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Re: [sumo-user] Traffic simulation for a month

[Tripplanner Mumbai]

Hello,
Yes, segregating the routes data as per suggestion will be helpful.
However, I am clueless about the underlying theory of simulation in SUMO.
That is, how it simulates each day differently (given the network file and
separate routes files). What are the attributes it takes into account to
imitate the real-time scenario?
Thanks and regards,
Dillip Rout

On Wed, 15 Jul 2020 at 13:24, Michael Behrisch  wrote:

> Hi,
> it is entirely up to you how you organize the files. I would expect the
> network to be quite stable so there is no need for several network
> files. You can also put all routes in one file but if you need fast
> access to a specific day or even hour or want to do parallel simulations
> of different time periods you should split the route files according to
> that requirement. But this is not enforced it is just optimization.
>
> Best regards,
> Michael
>
> Am 15.07.20 um 09:14 schrieb Tripplanner Mumbai:
> > Hello,
> > Let us assume that a machine with sufficient computing power is
> available.
> >
> > Now, there are two bare minimum input files for the simulation (1)
> > city.net.xml - contains the structure of the underlying network  (2)
> > city.rou.xml - contains the vehicles and respective routes (paths) and
> > possibly schedule.
> >
> > Do you mean that we should have separate files of (1) and (2) for each
> > day of the month?
> >
> > thanks and regards,
> > Dillip Rout
> >
> >
> >
> >
> > On Wed, 15 Jul 2020 at 11:56, Michael Behrisch  > > wrote:
> >
> > Hi,
> > if you have the input data it only requires enough computing power
> (or
> > patience ;-). Nothing stops you from running sumo for a month or
> more.
> >
> > Best regards,
> > Michael
> >
> > Am 15.07.20 um 06:55 schrieb Tripplanner Mumbai:
> > > Hello,
> > >
> > > SUMO is pretty nice in simulating traffic and getting the relevant
> > > parameters given a scenario including traffic and network. However,
> > > these simulations are only for a short period of time or a day.
> > > What more is required to simulate the traffic movement for a
> > month? Note
> > > that the traffic pattern differs from day to day, e.g., weekends
> will
> > > have less traffic as compared to weekdays. Hence, we will get
> > different
> > > kinds of simulations on weekends. Mostly, I am looking to extract a
> > > network from OSM through the interface provided by SUMO.
> > >
> > > thanks and regards,
> > > Dillip Rout
> > >
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