Re: [sumo-devel] Problems with MoveToXY under SUMO 0.27.1

[Jakob E. <nam...@go...>]

Hello,
a problem was discovered in moveToXY and fixed yesterday (revision [22217]).
Please try out the latest development version:
http://sumo.dlr.de/wiki/Downloads#SUMO_-_Latest_Development_Version
best regards,
Jakob

2016-11-23 19:24 GMT+01:00 Rodrigo Hernan Ordonez- Hurtado <
rod...@uc...>:

> Dear SUMO developers,
>
> I write to report a problem I am experimenting with the class moveToXY from
> traci._vehicle <http://www.sumo.dlr.de/pydoc/traci._vehicle.html> under
> SUMO 0.27.1. The problem is that sometimes the vehicle is moved to the
> wrong lane (or even road) when the arguments (xyposition, angle) should
> result in a different situation. To illustrate this, I attach an
> explanatory figure, and describe the situation here:
>
>    - I use the traci command *traci.vehicle.moveToXY(hostID,
>    EdgeIDPosition[0], 0, Positionxy[0], Positionxy[1], curAngle,
> keepRoute=0)*,
>    where:
>       - *hostID* is the ID of the desired vehicle.
>       - *EdgeIDPosition[0]* is the ID of the identified edge using the
>       class traci.simulation.convertRoad and lat/lon coordinates.
>       - *Positionxy* is a 2D vector with the calculated XY position from
>       the lat/lot coordinates.
>       - *curAngle* is the desired vehicle's angle.
>    - I then compare the angle of section of the edge in which the vehicle
>    has been moved at with the vehicle's angle, and if they are similar in a
>    range of +/- 45 degrees I consider a fair map-matching and change the
>    vehicle's colour to green; otherwise I change the colour to red.
>
> Thus, as you can see from the attached figure, sometimes (I'd say, many
> times) the map-matching just does not work, and the vehicle is moved to the
> wrong lane. One easy way to check the faulty map-matching is by looking at
> the provided GPS position (marked with a POI) and the vehicle's orientation
> (given by the desired vehicle's angle I provide), this latter opposed to
> the direction of the lane at which the vehicle is wrongly map-matched.
>
> So, I hope you can help me out in solving this problem (in case I am doing
> something wrong, which I really doubt), or in fixing this bug in the next
> SUMO version.
>
> Many thanks for your valuable help.
>
> Best regards, Rodrigo.
>
> --
> Rodrigo Hernán Ordóñez-Hurtado, PhD
> Research Fellow
> University College Dublin
>
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