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Re: [sumo-user] Graph Representation for Road Network
  • From: Michael Behrisch <oss@xxxxxxxxxxx>
  • Date: Sun, 9 Dec 2018 16:37:23 +0100
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Hi,
yes it is possbile to do that with sumolib as written below. Please
write what you already tried and which errors you got. We are not going
to do your homework here ;-)

Best regards,
Michael

Am 08.12.18 um 09:30 schrieb Ei Ei Mon:
> Dear Sir, 
> 
> Can I get the directed graph for our whole network directly by using
> sumolib? Sorry I cannot find reference link. Please suggest me. Thank
> you in advance. 
> 
> with best regards,
> 
> On Tue, Dec 4, 2018 at 1:18 PM Michael Behrisch <oss@xxxxxxxxxxx
> <mailto:oss@xxxxxxxxxxx>> wrote:
> 
>     Hi,
>     further information on the sumolib functions is also here:
>     http://www.sumo.dlr.de/pydoc/sumolib.html
> 
>     Best regards,
>     Michael
> 
>     Am 04.12.18 um 03:20 schrieb Ei Ei Mon:
>     > Dear, 
>     >
>     > Which link can I reference for function of sumolib like retrieve
>     nodes,
>     > edges and connections? 
>     > Thank you in advance. 
>     >
>     > with best regards, 
>     >
>     > On Mon, Dec 3, 2018 at 8:55 PM Ei Ei Mon <eieimonimceits@xxxxxxxxx
>     <mailto:eieimonimceits@xxxxxxxxx>
>     > <mailto:eieimonimceits@xxxxxxxxx
>     <mailto:eieimonimceits@xxxxxxxxx>>> wrote:
>     >
>     >     Thank you very much, I will try it. 
>     >
>     >     On Mon, Dec 3, 2018 at 8:51 PM Michael Behrisch
>     <oss@xxxxxxxxxxx <mailto:oss@xxxxxxxxxxx>
>     >     <mailto:oss@xxxxxxxxxxx <mailto:oss@xxxxxxxxxxx>>> wrote:
>     >
>     >         Hi,
>     >         yes you can build a directed graph from a sumo network.
>     Whether
>     >         it is
>     >         acyclic depends on your input. If you use sumolib you can
>     easily
>     >         access
>     >         all the nodes and edges together with the connectivity,
>     see here for
>     >         examples: http://sumo.dlr.de/wiki/Tools/Sumolib#usage_examples
>     >
>     >         Please be aware that connectivity in the node-edge-graph
>     created
>     >         this
>     >         way does not imply connectivity in the road network because
>     >         there may be
>     >         specific restrictions at nodes (like no left turns
>     allowed) or for
>     >         certain vehicle classes.
>     >
>     >         Best regards,
>     >         Michael
>     >
>     >         Am 02.12.18 um 17:21 schrieb Ei Ei Mon:
>     >         > Dear, 
>     >         >
>     >         > Can I create directed acyclic graph for the whole road
>     network
>     >         in SUMO? 
>     >         > Are there any methods for this purpose?Could you suggest
>     me? 
>     >         >
>     >         > with best regards, 
>     >         >
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>

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