Dear Mirko, Thanks a lot for your valuable information! I think *getReachable*(self, source, vclass=None, useIncoming=False) in the reference work.
Best, Yanglan On Tue, Oct 17, 2023 at 12:28 AM Mirko Barthauer <[email protected]> wrote: > Well actually the network can be traversed using sumolib > <https://sumo.dlr.de/docs/Tools/Sumolib.html> (see reference > <https://sumo.dlr.de/pydoc/sumolib.net.html> too). The lane permissions > can be read from there, too. I think we just have not created a > ready-to-use function to return all reachable edges given a certain vehicle > class. > > > > Best regards > > Mirko > > > > > > > > > > -----Original-Nachricht----- > > Betreff: Re: [sumo-user] Error in duarouter > > Datum: 2023-10-17T02:48:02+0200 > > Von: "Manuel H. Rosales via sumo-user" <[email protected]> > > An: "Yanglan Wang" <[email protected]> > > > > > > > Dear Yanglan Wang, Then, I think you need to use networkx from Python. > Here is a tutorial: > https://networkx.org/documentation/stable/tutorial.html > There is a function connected_components(G) that returns connected > components for not directional and directional graphs and you can do > lists of them list(nx.connected_components(G)) With a simple "for" you > can check if two edges are in the same connected component. > Now, you must first convert the .net.xml file to the format of networkx. > I don't know if there exists a conversor but it seems not hard to do it. > Does anybody know if it exists? > Saludos cordiales > Mat. Manuel Hernández Rosales > Secretario Técnico > Programa Universitario de Estudios sobre la Ciudad > Universidad Nacional Autónoma de México > Ciudad de México, México > Whats App: 55 45109057 > > El lun, 16 oct 2023 a las 18:24, Yanglan Wang (<[email protected]>) > escribió: > >> Dear Manuel, >> >> Sorry for confusing you. >> >> My situation is that I use python to generate some OD edge pairs and then >> use duarouter to generate routes from origin-edges to destination-edges. >> But it shows no connection between some edges-A and edges-B. So I want to >> change OD pairs in python to make sure all edges are reachable. >> >> But I don't know which function I can use. And from sumo-gui, we can know >> whether these edges are reachable by right clicking and "select reachable". >> Is there any similar functions in python that can help me know whether two >> edges are reachable? >> >> Thanks in advance for your help! >> >> Best, >> Yanglan >> >> On Mon, Oct 16, 2023 at 5:05 PM Manuel H. Rosales via sumo-user < >> [email protected]> wrote: >> >>> I don't understand very well your question.... >>> But may be you are searching something like TRACI a lib of Python: >>> https://sumo.dlr.de/pydoc/traci.html >>> If you want for example to know what are edges in a intermodal route >>> between a initial edge and final edge you can use >>> *findIntermodalRoute*(self, >>> fromEdge, toEdge, modes='', depart=-1.0, routingMode=0, speed=-1.0, >>> walkFactor=-1.0, departPos=0.0, arrivalPos=-1073741824.0, departPosLat=0.0, >>> pType='', vType='', destStop='') from >>> https://sumo.dlr.de/pydoc/traci._simulation.html >>> >>> Now if you want to know nodes (edges) adjacency you can use networkx >>> from Python applied to the SUMO Networks >>> >>> Regards >>> Mat. Manuel Hernández Rosales >>> Secretario Técnico >>> Programa Universitario de Estudios sobre la Ciudad >>> Universidad Nacional Autónoma de México >>> Ciudad de México, México >>> >>> >>> El lun, 16 oct 2023 a las 17:52, Yanglan Wang via sumo-user (< >>> [email protected]>) escribió: >>> >>>> Dear Mirko, >>>> >>>> Maybe you miss my e-mail. >>>> >>>> Could you reply to my question: Is there any function in python or >>>> other packages that can provide edge's reachable edges as sumo-gui show? >>>> >>>> Best, >>>> Yanglan >>>> >>>> On Fri, Sep 15, 2023 at 10:00 AM Yanglan Wang <[email protected]> >>>> wrote: >>>> >>>>> Dear Mirko, >>>>> >>>>> This is very helpful! And my new question is do we have any such >>>>> function in python or other package to provide edge's reachable edges? If >>>>> we have such function, we can use it to generate valid origin-destination >>>>> pairs. >>>>> >>>>> Thanks a lot! >>>>> >>>>> Best, >>>>> Yanglan >>>>> >>>>> On Fri, Sep 15, 2023 at 5:59 AM Mirko Barthauer < >>>>> [email protected]> wrote: >>>>> >>>>>> Dear Yanglan, >>>>>> >>>>>> >>>>>> >>>>>> all edges along the route have to allow the vehicle in question to >>>>>> pass, not only those where it departs and arrives. You can use a feature >>>>>> of >>>>>> sumo-gui to check where your vehicle can arrive: >>>>>> >>>>>> - right click on the start edge to open the context menu >>>>>> - choose "select reachable" ... >>>>>> - .. and the vehicle class of the problematic vehicle >>>>>> - the reachable lanes starting from the start edge are highlighted >>>>>> >>>>>> >>>>>> >>>>>> Best regards >>>>>> >>>>>> Mirko >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> -----Original-Nachricht----- >>>>>> >>>>>> Betreff: [sumo-user] Error in duarouter >>>>>> >>>>>> Datum: 2023-09-14T08:55:14+0200 >>>>>> >>>>>> Von: "Yanglan Wang via sumo-user" <[email protected]> >>>>>> >>>>>> An: "[email protected]" <[email protected]> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> Dear SUMO, >>>>>> >>>>>> When using duarouter to generate routes from "od.odtrips.xml", it has >>>>>> problem like this: >>>>>> >>>>>> Error: No connection between edge '-12184790' and edge '12182499#5' >>>>>> found. >>>>>> Error: Mandatory edge '12182499#5' not reachable by vehicle '664'. >>>>>> Error: The vehicle '664' has no valid route. >>>>>> Error: No connection between edge '12189756#3' and edge '-12182716#3' >>>>>> found. >>>>>> Error: Mandatory edge '-12182716#3' not reachable by vehicle '692'. >>>>>> Error: The vehicle '692' has no valid route. >>>>>> >>>>>> I don't want to use "--ignore-errors" in my situation. >>>>>> >>>>>> The network is generated by using netconvert from openstreetmap. And >>>>>> I also make sure all start edges and end edges in "od.odtrips.xml" allow >>>>>> for vehicle type of "passenger". >>>>>> >>>>>> I also check some trip, for example like entry "<trip id="0" >>>>>> depart="3720.0" from="12181485#0" to="59779571#4" fromTaz="4549.0" >>>>>> toTaz="4599.0" departLane="free" departSpeed="max" type="type1"/>". I >>>>>> check >>>>>> the two edges(from and to) in sumo-gui. It seems they are connected and I >>>>>> can find a route between them. >>>>>> >>>>>> My question is: >>>>>> what may cause the error like this: "No connection between edge >>>>>> '12189756#3' and edge '-12182716#3' found." if two edges are connected by >>>>>> some routes in sumo-gui. Can duarouter consider the road type? like some >>>>>> roads allow vehicles to pass but others don't allow vehicles to pass? If >>>>>> duarouter already considers different road types, how to use it when >>>>>> using >>>>>> duarouter? >>>>>> >>>>>> Thank you very much for your help! >>>>>> Yanglan >>>>>> >>>>>> >>>>>> "od.odtrips.xml" like this: >>>>>> >>>>>> <?xml version="1.0" encoding="UTF-8"?> >>>>>> <routes xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; >>>>>> xsi:noNamespaceSchemaLocation="http://sumo.dlr.de/xsd/routes_file.xsd >>>>>> "> >>>>>> <vType id="type1" vClass="passenger"/> >>>>>> <trip id="0" depart="3720.0" from="12181485#0" to="59779571#4" >>>>>> fromTaz="4549.0" toTaz="4549.0" departLane="free" departSpeed="max" >>>>>> type="type1"/> >>>>>> <trip id="1" depart="3720.0" from="-12178844#2" to="-59779605#0" >>>>>> fromTaz="4549.0" toTaz="4549.0" departLane="free" departSpeed="max" >>>>>> type="type1"/> >>>>>> <trip id="2" depart="3720.0" from="12180095#0" to="-506804742#1" >>>>>> fromTaz="4549.0" toTaz="4549.0" departLane="free" departSpeed="max" >>>>>> type="type1"/> >>>>>> >>>>>> I want to know what >>>>>> >>>>>> >>>>> _______________________________________________ >>>> 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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