Hi Melissa
whats the problem with traci?
Just start a dummy simulation with sumo, using the network you have used
to create your files.
Let the simulation start (just one step). At this point traci knows your
lanes and the mapping.
Add some code to process your existing files.
Look at the test case tests/complex/traci/pythonApi/simulation (you have
to download the tests) and here particularly into
runner.py
output.complex
I think
print("convertRoadGeo", traci.simulation.convert2D("o", 0., toGeo=True))
is the function you are looking for.
Best regards, Harald
Am 01.07.19 um 03:32 schrieb Queen, Melissa:
>
> Hey Harald,
>
>
>
> I have found those resources but sumolib code only translates from x-y
> coordinates, and the traci code looks to be intended for a
> currently-running simulation, not for processing an existing output
> file. The logic to convert lane and position to a coordinate system
> obviously must exist somewhere in the sumo system, but I haven’t been
> able to find it nor a way to access it.
>
>
>
> -Melissa
>
>
>
> *From: *<[email protected]> on behalf of Harald Schaefer
> <[email protected]>
> *Reply-To: *Sumo project User discussions <[email protected]>
> *Date: *Saturday, June 29, 2019 at 3:23 AM
> *To: *"[email protected]" <[email protected]>
> *Subject: *Re: [sumo-user] Convert lane-id and position to xy/UTM/WGS84?
>
>
>
> Hi Melissa,
>
>
>
> if you search the SUMO-Wiki (https://sumo.dlr.de/wiki) for Coordinates
> you find this page (https://sumo.dlr.de/wiki/Geo-Coordinates) with a
> chapter on coordinate transformations
> (https://sumo.dlr.de/wiki/Geo-Coordinates#Performing_coordinate-transformations).
>
>
>
> So you can use either traci or sumolib.
>
>
>
> Best Regards, Harald
>
>
>
> Am 28.06.19 um 19:35 schrieb Queen, Melissa:
>
> Hello all!
>
>
>
> I am building a visualization using Sumo output data such as
> stop-output. This output includes information about what a vehicle
> is doing at a particular position (in this case it’s the amount of
> time stopped). However, this position is described in terms of a
> lane ID and a position (distance along that lane). Instead of lane
> ID and position I would like the coordinates in terms of xy, UTM,
> or WGS84 (I am comfortable converting between all of those). This
> conversion will depend on the network file of course, because that
> is where the lane positions (in xy coordinates) are described.
>
>
>
> My main question is: Does such a conversion exist in the community
> already? If I craft a conversion myself is it something that would
> be useful to others and should be contributed to the open source
> libraries? Or am I chasing a weird niche conversion?
>
>
>
> Thanks,
>
>
>
> -Melissa
>
>
>
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