If I want to retrieve the signal state of each pedestrians crosswalk light, do
I need to focus on anything else than the state of the <JUNCTIONID>_c<index>_0
IDs ?
For example, for this junction :
{
"crosswalks_lanes_id": [
"230506730#1_0",
":4350193651_w1_0"
],
"crosswalks_link_fromLane": [
"230506730#1_0",
":4350193651_w1_0"
],
"crosswalks_link_toLane": [
"332620704#2_0",
":4350193651_c0_0"
],
"crosswalks_link_viaLane": [
":4350193651_0_0",
""
],
"junction_id": "4350193651"
}
Do I only need to get the state of ":4350193651_c0_0" to get the state of that
crosswalk light ?
Regards,
Adrien
De : sumo-dev <sumo-dev-boun...@eclipse.org> De la part de Jakob Erdmann
Envoyé : Wednesday, November 10, 2021 2:22 PM
À : sumo developer discussions <sumo-dev@eclipse.org>
Objet : Re: [sumo-dev] Retrieving the type of Junction
Yes. The crossings will only show up as "toLane" IDs (even though both sides
are controlled by a traffic light and can even have different signal states).
Am Mi., 10. Nov. 2021 um 19:04 Uhr schrieb Adrien Dubedat
<adrien.dube...@cae.com<mailto:adrien.dube...@cae.com>>:
Hi Jakob,
I'm now using a SUMO scenario that has pedestrians crosswalks.
I've been able to extract a new JSON file in which I list the junction ID, the
lanes ID and the links ID.
The object I retrieve when calling getControlledLinks is a vector of TraCILink,
on which I iterate to retrieve the elements "fromLane", "toLane" and "viaLane".
>From what I see, the crosswalks seem to be only listed in the "toLane"
>elements.
Can I base myself only on "toLane" IDs then to map out the crosswalks of each
junction ?
Attached is the JSON file I extracted.
Thank you for your help,
Adrien
De : sumo-dev
<sumo-dev-boun...@eclipse.org<mailto:sumo-dev-boun...@eclipse.org>> De la part
de Jakob Erdmann
Envoyé : Friday, November 5, 2021 3:31 AM
À : sumo developer discussions
<sumo-dev@eclipse.org<mailto:sumo-dev@eclipse.org>>
Objet : Re: [sumo-dev] Retrieving the type of Junction
I'm guessing that your network doesn't have any crosswalks. See
https://sumo.dlr.de/docs/Simulation/Pedestrians.html<https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fsumo.dlr.de%2Fdocs%2FSimulation%2FPedestrians.html&data=04%7C01%7Cadrien.dubedat%40cae.com%7Cb2f3de2f51e041d2076008d9a47f6f24%7C006c1e48e34247e9ab5d0dd9ff89bd96%7C0%7C0%7C637721690937200874%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&sdata=dm%2BNIJIaYpFY7Wq%2BnXpPoJDFfHQL8ZOAJ32522mTnUM%3D&reserved=0>
for how to get them.
This is what a pedestrian-enabled network should look like:
https://sumo.dlr.de/docs/Tutorials/TraCIPedCrossing.html<https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fsumo.dlr.de%2Fdocs%2FTutorials%2FTraCIPedCrossing.html&data=04%7C01%7Cadrien.dubedat%40cae.com%7Cb2f3de2f51e041d2076008d9a47f6f24%7C006c1e48e34247e9ab5d0dd9ff89bd96%7C0%7C0%7C637721690937210823%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&sdata=Y6FLqDdMCwlGUdjgB6HRgF3pfxCWGSKIhxcB50NR%2Fj8%3D&reserved=0>
Am Do., 4. Nov. 2021 um 21:25 Uhr schrieb Adrien Dubedat
<adrien.dube...@cae.com<mailto:adrien.dube...@cae.com>>:
This a simple JSON file I created while running SUMO.
In there, I write the traffic light ID and then the controlled lanes ID in that
traffic light.
However, I don't see the format you were mentioning in your previous email.
I also tried to go through the list of controlled links but it's the same
format.
See the second file attached.
I'm guessing this is because the naming convention in the osm.net.xml file
might not be correct ?
This is how a junction is defined in the osm.net.xml file:
<junction id="10018180" type="dead_end" x="9550.31" y="6845.42"
incLanes="260842179_0" intLanes="" shape="9549.40,6845.01 9551.22,6845.82"/>
Thank you for your help,
Adrien
De : sumo-dev
<sumo-dev-boun...@eclipse.org<mailto:sumo-dev-boun...@eclipse.org>> De la part
de Jakob Erdmann
Envoyé : Wednesday, November 3, 2021 6:11 PM
À : sumo developer discussions
<sumo-dev@eclipse.org<mailto:sumo-dev@eclipse.org>>
Objet : Re: [sumo-dev] Retrieving the type of Junction
You can use traci.trafficlight.getControlledLanes and getControlledLinks
Lanes with ids of the form :<JUNCTIONID>_w<index>_0 are walkingareas
Lanes with ids of the form :<JUNCTIONID>_c<index>_0 are crossings
The index in the result lists corresponds to the index in the phase state.
regards,
Jakob
Am Mi., 3. Nov. 2021 um 20:10 Uhr schrieb Adrien Dubedat
<adrien.dube...@cae.com<mailto:adrien.dube...@cae.com>>:
Hi Jakob,
Thank you for your reply, I only just see it now because your emails were
considered as spams by my company's IT department ...
It looks like I've been able to extract those controlled junctions, perfect.
I have another question. I'm interested in retrieving the state of the traffic
lights associated to pedestrian crosswalks.
In the documentation, it says that the crosswalks' states are at the end of
"state" string when calling "getRedYellowGreenState()".
Is there a way to know where do the pedestrian crosswalks start in that string
? Or is there a way to identify those crosswalks ?
Thank you,
Adrien
De : sumo-dev
<sumo-dev-boun...@eclipse.org<mailto:sumo-dev-boun...@eclipse.org>> De la part
de Jakob Erdmann
Envoyé : Monday, November 1, 2021 3:04 PM
À : sumo developer discussions
<sumo-dev@eclipse.org<mailto:sumo-dev@eclipse.org>>
Objet : Re: [sumo-dev] Retrieving the type of Junction
ATTENTION : Ce courriel provient de l'extérieur de l'organisation. Ne cliquez
pas sur les liens ni sur les pièces jointes à moins que vous reconnaissiez
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CAUTION : This email originated from outside the organization. Do not click
links or open attachments unless you recognize the sender and know the content
is safe.
The junction type is currently not accessible via the TraCI API. (for static
network analysis, the python library sumolib is recommended:
https://sumo.dlr.de/docs/Tools/Sumolib.html<https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fsumo.dlr.de%2Fdocs%2FTools%2FSumolib.html&data=04%7C01%7Cadrien.dubedat%40cae.com%7Cb2f3de2f51e041d2076008d9a47f6f24%7C006c1e48e34247e9ab5d0dd9ff89bd96%7C0%7C0%7C637721690937210823%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&sdata=LaGXSshJRTKIwMg7XHn7IWmPEUBUBjb%2FTTEFT6pci7Q%3D&reserved=0>)
If you only need to identify traffic light junctions, you can use the functions
in TrafficLight.h to retrieve this information:
- all traffic light controllers with getIDList
- all junction ids controller by a given controller with getControlledJunctions
regards,
Jakob
Am Mo., 1. Nov. 2021 um 18:16 Uhr schrieb Adrien Dubedat
<adrien.dube...@cae.com<mailto:adrien.dube...@cae.com>>:
Hi,
I'm trying to retrieve the type of a Junction, I'm using the C++ library.
In an osm.net.xml file which lists all junctions, I see there are some
different node types
(https://sumo.dlr.de/docs/Networks/PlainXML.html#node_types<https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fsumo.dlr.de%2Fdocs%2FNetworks%2FPlainXML.html%23node_types&data=04%7C01%7Cadrien.dubedat%40cae.com%7Cb2f3de2f51e041d2076008d9a47f6f24%7C006c1e48e34247e9ab5d0dd9ff89bd96%7C0%7C0%7C637721690937210823%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&sdata=Sgd5rIXLZXl55wcQaC8mLyj1kRmfpxHKFi70K0tSVyQ%3D&reserved=0>)
:
<junction id="101335548" type="traffic_light" x="9587.74" y="5049.51"
incLanes="-770022998#1_0 480644124#1_0 690226256#9_0 -11661029#1_0"
intLanes=":101335548_0_0 :101335548_1_0 :101335548_16_0 :101335548_17_0
:101335548_4_0 :101335548_5_0 :101335548_18_0 :101335548_19_0 :101335548_8_0
:101335548_9_0 :101335548_20_0 :101335548_21_0 :101335548_12_0 :101335548_13_0
:101335548_22_0 :101335548_23_0" shape="9587.30,5041.43 9593.31,5043.64
9592.97,5045.85 9593.23,5046.73 9593.79,5047.47 9594.63,5048.06 9595.77,5048.51
9593.99,5054.65 9591.44,5054.42 9590.39,5054.75 9589.50,5055.38 9588.76,5056.31
9588.18,5057.54 9582.17,5055.32 9582.52,5053.10 9582.26,5052.21 9581.71,5051.46
9580.87,5050.85 9579.74,5050.39 9581.63,5044.27 9584.11,5044.53 9585.13,5044.20
9586.00,5043.58 9586.72,5042.65">
I looked in the C++ classes / headers, mostly in "Junction" class, and I didn't
find anything related to that type, while we can get the Position or the Shape
for example.
Does anyone have an idea on how to get this data ?
Thank you,
Adrien
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