Re: [sumo-user] Retrieve edge shape via TraCI

[Alexander Brummer <alexander.brummer@xxxxxx>]

Hi Jakob,

Thank you for your suggestion.
However, the sumolib is a Python library and thus (usually) only 
accessible from Python code, right?

Of course, I could also use any kind of C++ XML parsing library and 
parse the net.xml file myself. I would just have preferred a solution 
similar to how existing parameters are exchanged between Veins and SUMO.

Best regards,
Alex

On 5/2/22 13:59, Jakob Erdmann wrote:
> Hello,
> you can retrieve static information about an the network via sumolib: 
> https://sumo.dlr.de/docs/Tools/Sumolib.html 
> <https://sumo.dlr.de/docs/Tools/Sumolib.html>
> Relevant calls:
> - edge.getRawShape (shape attribute of the edge)
> l- ane.getShape (lane shapes derived from the former)
>
> The spreadType value currently isn't stored within the edge objects but 
> adding them in 
> https://github.com/eclipse/sumo/blob/f3bf072cbdc794e3c91d7d0eee790482bd219a60/tools/sumolib/net/__init__.py#L644-L673 
> <https://github.com/eclipse/sumo/blob/f3bf072cbdc794e3c91d7d0eee790482bd219a60/tools/sumolib/net/__init__.py#L644-L673> 
> should be trivial (pull requests welcome).
>
> regards,
> Jakob
>
>
> Am Mo., 2. Mai 2022 um 13:43 Uhr schrieb Alexander Brummer 
> <alexander.brummer@xxxxxx <mailto:alexander.brummer@xxxxxx>>:
>
>     Hi,
>
>     I use SUMO in combination with Veins.
>     For a new model, I need to retrieve the edges' shapes (and spread type)
>     from Veins (as for example shown in netedit).
>
>     Unfortunately, the two parameters do not seem to be available via
>     TraCI.
>     In fact, they seem to be only present in netedit etc., but not while
>     simulating (I understand that they are probably irrelevant for the
>     simulation itself).
>
>     Could you maybe give me a hint about what would be the best way to get
>     these values? I have no problem with extending the code, but it seems
>     like I would have to make (profound) changes at many places. Therefore,
>     I wanted to make sure that I don't overlook an easier solution.
>
>     Best regards,
>     Alex
>
>     
--
Alexander Brummer, M.Sc.

Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU)
Lehrstuhl Informatik 7 - Rechnernetze und Kommunikationssysteme
Raum 06.132 | Martensstr. 3 | D-91058 Erlangen

Tel: 09131/85-27993 | Fax: 09131/85-27409
Mail: alexander.brummer@xxxxxx | Web: https://cs7.tf.fau.de/person/brummer

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