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Re: [sumo-user] Retrieve edge shape via TraCI
The function traci.lane.getShape  is part of the standard TraCI API (though I'm not sure if Veins has exposed this yet).
If you really need the original edge reference line, there is some geometry code in sumo which you could use to compute it from the lane shape (utils/geom/PositionVector::move2side)

regards,
Jakob


Am Di., 3. Mai 2022 um 13:45 Uhr schrieb 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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